Home |
Search |
Today's Posts |
|
Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
Reply |
|
LinkBack | Thread Tools | Display Modes |
#1
|
|||
|
|||
More OT, hooking computers together
Can I assume I can hook comuters with various Windows OS's together with
ethernet cards and coax? If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? What sort of cable do these cards need? The same a TV uses by any chance? Many thanks, John |
#2
|
|||
|
|||
JohnM wrote:
Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? Yes. If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? Yes, it will know what to do. What sort of cable do these cards need? The same a TV uses by any chance? No. TV cable will *not* work with great certainty. TV cable is coaxial cable, which has 2 conductors. Ethernet cable has 4 conductors (2 of which are actually used). Just buy network cable, stuff is dirt cheap. Don't get me wrong, depending on what you are doing, it is conceivable that some of your link could be made up of coaxial cable, but actual Ethernet cards that hook directly to coaxial cable are rare, and TV coaxial cable is the wrong impedance. And this is the wrong newsgroup. Google Tells All, in this case I suspect quite quickly. GWE |
#3
|
|||
|
|||
John,
Boy,, If your ethernet cards use coax they are really old. I haven't seen those in over a decade. That type of ethernet is called "thin". I think it's 2mb per second max. If memory serves, machines using this type of set up are indeed daisy chained together with tees. The last one usually has a terminator cap. I don't know for sure if TV cable will, or will not work. Seems to me that the center conductor was much thinner than TV stuff. One things for sure, if the impedence isn't right it won't. Why don't you just get some PCI cards with a standard RJ45 plug. The machines would have to be over 15 years old to not have PCI slots, in which case you should just toss em. It's allot easier to hook up multiple machines using a cheap hub, or switch. Peer to peer is the easiest to set up, but requires that the "Netbui" protocol be installed on all machines. TCPIP protocol is much more involved, and far from automatic Regards Mark "JohnM" wrote in message m... Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? What sort of cable do these cards need? The same a TV uses by any chance? Many thanks, John |
#4
|
|||
|
|||
JohnM wrote:
Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? What sort of cable do these cards need? The same a TV uses by any chance? Many thanks, John Win 95? You might as well commit suicide before you start. And if you don't know that ethernet cards need Ethernet cables, not coax cables, you should not even contemplate starting something like this. Abrasha http://www.abrasha.com |
#5
|
|||
|
|||
Mark Mossberg wrote:
Why don't you just get some PCI cards with a standard RJ45 plug. The machines would have to be over 15 years old to not have PCI slots, in which case you should just toss em. Since he is still running Windows 95 (according to his OP) he may indeed have old ISA slots. Abrasha http://www.abrasha.com |
#6
|
|||
|
|||
Mark Mossberg wrote:
Boy,, If your ethernet cards use coax they are really old. Right! The last one usually has a terminator cap. Both ends need them. They avoid reflections. I don't know for sure if TV cable will, or will not work. It won't. Wrong impedance. For thin wire you need 50 Ohms, so a RG58 would do. TV-cables are 75 Ohms, IIRC. I still have a bunch of coax lying around. Double shielded, best quality. Also some connectors (crimping) ... Nick -- Motormodelle / Engine Models: http://www.motor-manufaktur.de Ellwe 2FB * VTM 87 * DLM-S3a * cubic more to come ... |
#7
|
|||
|
|||
Abrasha wrote:
Mark Mossberg wrote: Why don't you just get some PCI cards with a standard RJ45 plug. The machines would have to be over 15 years old to not have PCI slots, in which case you should just toss em. Since he is still running Windows 95 (according to his OP) he may indeed have old ISA slots. Abrasha http://www.abrasha.com I've had my PCs hooked up by Ethernet for about the last 10 years. NetBEUI over 10Base2 cabling. Oldest PC just runs DOS. there are 2 Win311 boxes, a Win95 box and then it goes to a hub with a BNC port to take it to the two Win98 PCs and the DSL router on 10BaseT cabling. Rules of thumb for successfull home networking on the cheap: Start with 2 identical 3Com used cards (download the driver disks) or a pair of new cards. Use known good 50 ohm coax cabling, tees and 50 ohm terminators or UTP cabling and a hub for your first attempt. There is enough to go wrong *without* guessing if the hardware is OK. Use the diagnostics program on the card driver disk to test communications before loading windows drivers. Long term, UTP cabling with a hub is *much* easier to troubleshoot, you just check all the idiot lights are green :-) Use NetBEUI. Its not routeable so cant leak out over the internet. DONT leave TCP/IP bound to Microsoft file and printer sharing. NetBEUI is still on the XP cd, its just a very well hidden extra now. TCP/IP is *hard* to set up then your firewall will break your filesharing :-( When trying to bring up an extra machine using used/suspect bits, connect it to to machines that allreade see each other properly. Dont get wireless networking untill you understand the ordinary wired stuff AND THE SECURITY PROBLEMS properly. Finally, try to resist the temptation to place the offending bit of network hardware on your anvil and hit it with your largest hammer . . . . -- Ian Malcolm. London, ENGLAND. (NEWSGROUP REPLY PREFERRED) ianm[at]the[dash]malcolms[dot]freeserve[dot]co[dot]uk [at]=@, [dash]=- & [dot]=. *Warning* SPAM TRAP set in header, Use email address in sig. if you must. |
#8
|
|||
|
|||
JohnM wrote in
m: Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? What sort of cable do these cards need? The same a TV uses by any chance? Many thanks, John Ok, here's the scoop...... You need an ethernet card for each PC. You need ethernet cable with RJ-45 connectors. You need an ethernet switch (Hubs, although cheaper, introduce other problems if you are as unfamilar with networking as your post makes you seem). Switches come in several flavors of number of ports, typically, 4, 8, 16, 32 port varieties. Depends on how many PC's you have. You need 1 port per PC. Get a switch/router, as they have a built in DHCP server to dole out IP addresses and this eases set-up. W95 will network fairly easily with TCP/IP. -- Anthony You can't 'idiot proof' anything....every time you try, they just make better idiots. Remove sp to reply via email http://www.machines-cnc.net:81/ |
#9
|
|||
|
|||
"Mark Mossberg" writes: It's allot easier to hook up multiple machines using a cheap hub, or switch. If you're just hooking two machines together, you can use a Cat5 "crossover" cable, with no hub. This should be available at any computer store (don't mix these up with regular Cat5 cables that are used with hubs-- sometimes they're labeled, sometimes not). If you don't have PCI slots, there are ISA network cards around, but the local stores may not stock them, so you may have to get one from ebay (I used to have one, but I think I sold it when I got rid of my last ISA box). I've done this with Win95, it's not too painful (although I only did it long enough to transfer files to a newer machine). Disable any protocols other than Netbui. Turn on file sharing for the directories you want to transfer, and it "just works". |
#10
|
|||
|
|||
Nick Müller wrote:
Mark Mossberg wrote: Boy,, If your ethernet cards use coax they are really old. Right! The last one usually has a terminator cap. Both ends need them. They avoid reflections. I don't know for sure if TV cable will, or will not work. It won't. Wrong impedance. For thin wire you need 50 Ohms, so a RG58 would do. TV-cables are 75 Ohms, IIRC. I still have a bunch of coax lying around. Double shielded, best quality. Also some connectors (crimping) ... Right now I am connected to my DSL box with about 150 feet of 75 Ohm coax cable. And to make matters worse I use 50 Ohm termination's. I get 10 Megabits per second. on the coax. I have another machine (Win98) at the DSL box so I know the speed is greater than the DSL line. I have a converter device at this end to convert coax to twisted pair (RJ45) to connect to this computer. So sometimes the rules can be violated and things will work. I would recommend that CAT6 wiring be installed and then the new computers and interface cards can be used as intended. Bill K7NOM |
#11
|
|||
|
|||
On Mon, 25 Jul 2005 06:46:05 GMT, "Mark Mossberg"
wrote: Why don't you just get some PCI cards with a standard RJ45 plug. The machines would have to be over 15 years old to not have PCI slots, in which case you should just toss em. It's allot easier to hook up multiple machines using a cheap hub, or switch. Peer to peer is the easiest to set up, but requires that the "Netbui" protocol be installed on all machines. TCPIP protocol is much more involved, and far from automatic Regards Mark I just gave away or tossed at least (20) 10-based T, 24 port hubs. There is a glut of such around these days as everyone has gone over to 100T or fiber optic switches..or wireless, which is dirt cheap now. Gunner "Considering the events of recent years, the world has a long way to go to regain its credibility and reputation with the US." unknown |
#12
|
|||
|
|||
JohnM wrote:
Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? Yes, you have to set up names for "windows shares" and network addresses. I prefer TCP/IP protocol, but you have (too many) choices. Nearly any card should just plug in and work. What sort of cable do these cards need? The same a TV uses by any chance? If you can even FIND coax-type ethernet cards, now, you need 50 Ohm, not 75 Ohm, cable. Video is standardized at 75 Ohms, so it won't work without causing reflections. Jon |
#13
|
|||
|
|||
Mark Mossberg wrote:
John, Boy,, If your ethernet cards use coax they are really old. I haven't seen those in over a decade. That type of ethernet is called "thin". I think it's 2mb per second max. No, thickwire, thinwire and AUI (15-pin plug) all are 10 MB/second. (There are other non-ethernet protocols that do 2 MB/sec). Jon |
#14
|
|||
|
|||
Ok John, as usual there are a lot of answers which don't tell you how
you can, mostly from people with only a passing knowledge of how to do it. You are better off asking the question on microsoft.public.win95.networking newsgroup. At least there you will get three answers on how to do it right and then for amusement you can read the rest of the thread as they argue among themselves as to which one is better. This newsgroup is really good at metalworking, so unless you really want to rivet the two computers together, you should post to a networking group. -- The Road Warrior Hobbit no -- it's NOT ok to contact this account with services or other commercial interests "Abrasha" wrote in message ... | JohnM wrote: | Can I assume I can hook comuters with various Windows OS's together with | ethernet cards and coax? If so, will a Win95 OS pretty well know what to | do assuming I can get the thing to recognize the hardware or is it going | to be a real pain to make work? | | What sort of cable do these cards need? The same a TV uses by any chance? | | Many thanks, | | John | | Win 95? You might as well commit suicide before you start. | | And if you don't know that ethernet cards need Ethernet cables, not coax | cables, you should not even contemplate starting something like this. | | Abrasha | http://www.abrasha.com |
#15
|
|||
|
|||
Grant Erwin wrote:
JohnM wrote: Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? Yes. If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? Yes, it will know what to do. What sort of cable do these cards need? The same a TV uses by any chance? No. TV cable will *not* work with great certainty. TV cable is coaxial cable, which has 2 conductors. Ethernet cable has 4 conductors (2 of which are actually used). Just buy network cable, stuff is dirt cheap. Don't get me wrong, depending on what you are doing, it is conceivable that some of your link could be made up of coaxial cable, but actual Ethernet cards that hook directly to coaxial cable are rare, and TV coaxial cable is the wrong impedance. And this is the wrong newsgroup. Google Tells All, in this case I suspect quite quickly. GWE OK, I got some good information to start with- I kindly thank all who have responded with worthwhile suggestions. Yeah, I'm off topic.. but it's something hands-on, and not too political. Again, thanks all, John |
#16
|
|||
|
|||
In article ,
Grant Erwin wrote: JohnM wrote: Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? Yes. If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? Yes, it will know what to do. Unlike when trying to get an older Windows to talk to a unix box. Unix boxen are happy to talk to each other via ethernet (they were doing it before Windows), and earlier Windows systems (of course) came up with a totally incompatible protocol for everything. In Windows boxen, mostly what you can do is set up file sharing, where one system has the big disks, and others use the same information over the net. In Unix boxen, you not only have NSF (Network File System) (and some earlier versions, such as RFS (Remote File System), but you also have the ability to log into one system from the other, and use it just as though you were using your local system. You can use rsh/rlogin (and rcp for copying files), or if you are worried about security, you can disable those, and use ssh/slogin and scp, which do everything in an encrypted mode, so people can't snoop passwords from the net. (And yes, it is dead easy to do. :-) What sort of cable do these cards need? The same a TV uses by any chance? No. TV cable will *not* work with great certainty. TV cable is coaxial cable, which has 2 conductors. Ethernet cable has 4 conductors (2 of which are actually used). Not quite right. 1) Ethernet can have one of three formats (excluding fiber optic or wireless links) a) The really old 10Base5 -- also called "thicknet". This is a coax almost the size of your thumb, triple shielded, and only works with transceivers connected to the AUI port (15-pin D connector) on some ethernet cards. You need to have a 50-ohm terminator at each end of the cable. You can connect transceivers in the middle with more connectors (Type-N screw-together connectors), or you can use "vampire taps" -- you drill a hole through the insulation and shielding, and clamp on a tap which will poke through the outer insulation to contact the shielding, and then a sharp point will go through the hole in the insulation and shielding, and contact the center conductor. This system is pretty much obsolete, and limited to 10 MB/S data transfer rates. b) Somewhat newer, 10Base2 -- also called "thinnet". This is also a double-shielded coax, but much smaller and good for a somewhat shorter distance. The coax connectors on this are BNC connectors. This will not get quite as long a run as thicknet will do, but is a lot easier to install. And, if you aren't near the run length limit, you can get away with RG-58 cable (50 ohm connections) -- but not with RG-59 (75 ohm, which is used for TV connections.) (Well ... you might be able to get away with a really short run, say six feet or so.) But you need to have a 50 ohm terminator at each end of the run. This is somewhat obsolescent, and is also limited to 10 MB/S data transfer rates. Both of the above run from end to end, and can have any number of systems connected along the length. The following system ia a "radial" system, where each machine has its own cable from the computer to a hub. (Though a special cable can be made to connect only two computers.) c) 10BaseT/100BaseT/1000BaseT: Twisted pair ethernet. There are *two* pairs of wires needed for this, out of the four which the connector (RJ-45 -- like a telephone modular connector, except that it has eight connections, not the four of the phone (RJ-11) connector, or the six of the RJ-13 used for phones with hold circuits. The wires are selected in twisted pairs, and the cable usually has four pair, though only two are used for the ethernet. (Sometimes people use the other two for carrying power for a wireless system.) The wires are (counting from left to right, as the wire faces you and the terminal blades are visible on top): 1 2 3 4 5 6 7 8 For a normal connection, the first pair goes from pins 1 and 2 to pins 1 and 2 of the other connector, and pins 3 and 6 go to pins 3 and 6 of the other connector. For a computer-to-computer connection, (only two computers, with no hub), instead you have it as follows: Comp1 Comp2 ================ 1 -------- 3 \ pair 1 2 -------- 6 / 3 -------- 1 \ 4 7 \ pair 2 5 8 / 6 -------- 2 / 7 4 8 5 The ones with wires between them are those which matter, and the pin numbering is just a suggested arrangement to coexist with the logic of the first pair. I usually use the blue/white pair for pins 1 & 2, and the orange/white pair for pins 3 & 5 on a four-pair cable. (The other two pair or green/white and brown/white. Note that the higher the speed, the more critical the construction and the shorter the maximum length. With 10BaseT you can get away with almost anything. With 1000BaseT, it has to be nearly perfect. Note that a *good* crimper for RJ-45 connectors is made by AMP, and tends to be rather expensive. The cheaper ones are likely to not always crimp all of the blades to the same depth, and to sometime tilt one or more so they don't get crimped at all. Note that the 10Base5 (thicknet) *always* has an AUI interface between the network card an the transceiver. The 10Base2 (thin-net) and 10BaseT (twisted pair) are more likely to have connectors directly on the computer network card, or built into the computer -- though transceivers for both were made to plug into an AUI connector. 100Base2 and 1000Base2 will *only* have RJ-45 connectors on the network cards. Just buy network cable, stuff is dirt cheap. Don't get me wrong, They are even available as "crossover" cables, which are what you need to connect two (and only two) computers together. depending on what you are doing, it is conceivable that some of your link could be made up of coaxial cable, but actual Ethernet cards that hook directly to coaxial cable are rare, and TV coaxial cable is the wrong impedance. As mentioned above, it is more likely to be RG-59 (75 ohm), and for coax ethernet, you need 50 ohm impedance (RG-58 or genuine Thin-net cable). And this is the wrong newsgroup. Google Tells All, in this case I suspect quite quickly. Perhaps so. But I think that I have covered most of what may be needed (other than how to convince a Windows box to use that instead of a modem to dial up a network connection. :-) Enjoy, DoN. -- Email: | Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
#17
|
|||
|
|||
|
#18
|
|||
|
|||
DoN. Nichols wrote:
In article , Grant Erwin wrote: JohnM wrote: Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? Yes. If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? Yes, it will know what to do. Unlike when trying to get an older Windows to talk to a unix box. Unix boxen are happy to talk to each other via ethernet (they were doing it before Windows), and earlier Windows systems (of course) came up with a totally incompatible protocol for everything. In Windows boxen, mostly what you can do is set up file sharing, where one system has the big disks, and others use the same information over the net. In Unix boxen, you not only have NSF (Network File System) (and some earlier versions, such as RFS (Remote File System), but you also have the ability to log into one system from the other, and use it just as though you were using your local system. You can use rsh/rlogin (and rcp for copying files), or if you are worried about security, you can disable those, and use ssh/slogin and scp, which do everything in an encrypted mode, so people can't snoop passwords from the net. (And yes, it is dead easy to do. :-) What sort of cable do these cards need? The same a TV uses by any chance? No. TV cable will *not* work with great certainty. TV cable is coaxial cable, which has 2 conductors. Ethernet cable has 4 conductors (2 of which are actually used). Not quite right. 1) Ethernet can have one of three formats (excluding fiber optic or wireless links) a) The really old 10Base5 -- also called "thicknet". This is a coax almost the size of your thumb, triple shielded, and only works with transceivers connected to the AUI port (15-pin D connector) on some ethernet cards. You need to have a 50-ohm terminator at each end of the cable. You can connect transceivers in the middle with more connectors (Type-N screw-together connectors), or you can use "vampire taps" -- you drill a hole through the insulation and shielding, and clamp on a tap which will poke through the outer insulation to contact the shielding, and then a sharp point will go through the hole in the insulation and shielding, and contact the center conductor. This system is pretty much obsolete, and limited to 10 MB/S data transfer rates. b) Somewhat newer, 10Base2 -- also called "thinnet". This is also a double-shielded coax, but much smaller and good for a somewhat shorter distance. The coax connectors on this are BNC connectors. This will not get quite as long a run as thicknet will do, but is a lot easier to install. And, if you aren't near the run length limit, you can get away with RG-58 cable (50 ohm connections) -- but not with RG-59 (75 ohm, which is used for TV connections.) (Well ... you might be able to get away with a really short run, say six feet or so.) But you need to have a 50 ohm terminator at each end of the run. This is somewhat obsolescent, and is also limited to 10 MB/S data transfer rates. Both of the above run from end to end, and can have any number of systems connected along the length. The following system ia a "radial" system, where each machine has its own cable from the computer to a hub. (Though a special cable can be made to connect only two computers.) c) 10BaseT/100BaseT/1000BaseT: Twisted pair ethernet. There are *two* pairs of wires needed for this, out of the four which the connector (RJ-45 -- like a telephone modular connector, except that it has eight connections, not the four of the phone (RJ-11) connector, or the six of the RJ-13 used for phones with hold circuits. The wires are selected in twisted pairs, and the cable usually has four pair, though only two are used for the ethernet. (Sometimes people use the other two for carrying power for a wireless system.) The wires are (counting from left to right, as the wire faces you and the terminal blades are visible on top): 1 2 3 4 5 6 7 8 For a normal connection, the first pair goes from pins 1 and 2 to pins 1 and 2 of the other connector, and pins 3 and 6 go to pins 3 and 6 of the other connector. For a computer-to-computer connection, (only two computers, with no hub), instead you have it as follows: Comp1 Comp2 ================ 1 -------- 3 \ pair 1 2 -------- 6 / 3 -------- 1 \ 4 7 \ pair 2 5 8 / 6 -------- 2 / 7 4 8 5 The ones with wires between them are those which matter, and the pin numbering is just a suggested arrangement to coexist with the logic of the first pair. I usually use the blue/white pair for pins 1 & 2, and the orange/white pair for pins 3 & 5 on a four-pair cable. (The other two pair or green/white and brown/white. Note that the higher the speed, the more critical the construction and the shorter the maximum length. With 10BaseT you can get away with almost anything. With 1000BaseT, it has to be nearly perfect. Note that a *good* crimper for RJ-45 connectors is made by AMP, and tends to be rather expensive. The cheaper ones are likely to not always crimp all of the blades to the same depth, and to sometime tilt one or more so they don't get crimped at all. Note that the 10Base5 (thicknet) *always* has an AUI interface between the network card an the transceiver. The 10Base2 (thin-net) and 10BaseT (twisted pair) are more likely to have connectors directly on the computer network card, or built into the computer -- though transceivers for both were made to plug into an AUI connector. 100Base2 and 1000Base2 will *only* have RJ-45 connectors on the network cards. Just buy network cable, stuff is dirt cheap. Don't get me wrong, They are even available as "crossover" cables, which are what you need to connect two (and only two) computers together. depending on what you are doing, it is conceivable that some of your link could be made up of coaxial cable, but actual Ethernet cards that hook directly to coaxial cable are rare, and TV coaxial cable is the wrong impedance. As mentioned above, it is more likely to be RG-59 (75 ohm), and for coax ethernet, you need 50 ohm impedance (RG-58 or genuine Thin-net cable). And this is the wrong newsgroup. Google Tells All, in this case I suspect quite quickly. Perhaps so. But I think that I have covered most of what may be needed (other than how to convince a Windows box to use that instead of a modem to dial up a network connection. :-) Enjoy, DoN. Thanks DoN, I really appreciate that (and thanks to everyone else again too). Now that I know it's doable and the OS should help me I'll be giving it a shot. John |
#19
|
|||
|
|||
Long term, UTP cabling with a hub is *much* easier to
troubleshoot, you just check all the idiot lights are green :-) Also, it's very easy to set up an internal network using either a linux router ( http://leaf.sourceforge.net/ and http://lrp.steinkuehler.net/ come to mind) or linksys type router connected to the hub. The router now does all the internal network configuration over DHCP, and works flawlessly with win95/98. The linux router can work as just a stand-alone network configuration box, or can talk to dialup, cable, or DSL modems. Most also have a firewall by default. The linux router can be made from nearly any old PC with a floppy drive and a working network card, I've used 486-100's with no issues. HTH, --Glenn Lyford |
#20
|
|||
|
|||
On Mon, 25 Jul 2005 01:44:11 -0400, JohnM wrote:
Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? What sort of cable do these cards need? The same a TV uses by any chance? First, ethernet hasn't used coax in over 10 years - it's all CAT5 these days - that's RJ45 connectors, that look just like a telephone modular plug, but 8 contacts wide. Second, I used to have a W95 computer, and never got it to recognize the network, even though the card installed. When I upgraded to W98, it worked fine, however. Now I use Linux on the "server" and all of the workstations have Win2000. To hook just two computers together, you get a "crossover cable". The ethernet adapter in the computer expects to plug into a hub, switch, or router - kinda like when there were external modems, the modem was DCE (data communications equipment) and the computer was DTE (data terminal equipment), so to connect two computers by serial, you had to use a "null modem". A crossover cable is like that for an ethernet connection with only the two computers. For more computers, you need a hub or a switch, or a full-on router. Good Luck! Rich |
#21
|
|||
|
|||
Rich Grise wrote:
On Mon, 25 Jul 2005 01:44:11 -0400, JohnM wrote: Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? What sort of cable do these cards need? The same a TV uses by any chance? First, ethernet hasn't used coax in over 10 years - it's all CAT5 these days - that's RJ45 connectors, that look just like a telephone modular plug, but 8 contacts wide. Second, I used to have a W95 computer, and never got it to recognize the network, even though the card installed. When I upgraded to W98, it worked fine, however. Now I use Linux on the "server" and all of the workstations have Win2000. To hook just two computers together, you get a "crossover cable". The ethernet adapter in the computer expects to plug into a hub, switch, or router - kinda like when there were external modems, the modem was DCE (data communications equipment) and the computer was DTE (data terminal equipment), so to connect two computers by serial, you had to use a "null modem". A crossover cable is like that for an ethernet connection with only the two computers. For more computers, you need a hub or a switch, or a full-on router. Good Luck! Rich Gosh - I have a DOS NIC card and the floppy software that enables it. Just in case I had to go to DOS for some reason. Martin -- Martin Eastburn @ home at Lion's Lair with our computer lionslair at consolidated dot net NRA LOH, NRA Life NRA Second Amendment Task Force Charter Founder ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
#22
|
|||
|
|||
In article ,
Gunner wrote: On 25 Jul 2005 23:12:07 -0400, (DoN. Nichols) wrote: Perhaps so. But I think that I have covered most of what may be needed (other than how to convince a Windows box to use that instead of a modem to dial up a network connection. :-) Enjoy, DoN. Don, quick question for you. It appears you are linux/unix smart. Ive Sorry -- I fell behind during a local metalworking club meeting combined with more than usual of the day dealing with some program modifications, so I'm only now just seeing this. Note that I only have one linux box up, and it uses only a direct ethernet card. It has been a long time since I've used a modem to connect to the net. I've currently got a leased T1 line. got a Linux box running on the home net, one that Ive been using to try various distros of Linux (I rather like Mepis btw) and have been setting them up to use proxy access to the net via my regular win XP pro box (dial up..sigh) Works great via proxy. My problem is that I scrounged an external modem (works fine) and after installing it, I cannot connect to the net via the modem. KPPP setup is fine, it dials out properly but when I load any browser or apt-get etc etc..it ignores that there is a modem ready and waiting. Ive changed/removed the proxy settings from all the browsers (firefox/konqurer/Dillo) and none will use the modem. If I use a Run from CD distro, all works fine. Any idea which file(s) needs to be configured to allow all internet tasks to go to tty/s01? No one in my area that Im familar with knows dick about linux, nor does the local Community College offer any classes, and learning this on my own is a stone bitch. Ive got a QUE book on linux...but its not helping much either....sigh. Hmm ... again -- I've not used a modem and PPP (or SLIP, which was what I actually used back then) for net connection in a long time, and that was on an old SunOs 4.1.4 box, not linux. However, you might start by running: ifconfig -a and seeing what it returns. If your PPP connection is up, it should be visible on that. (One of my internal net systems shows the following: ================================================== ==================== lo0: flags=2001000849UP,LOOPBACK,RUNNING,MULTICAST,IPv 4,VIRTUAL mtu 8232 index 1 inet 127.0.0.1 netmask ff000000 hme0: flags=1000843UP,BROADCAST,RUNNING,MULTICAST,IPv4 mtu 1500 index 2 inet 10.0.0.26 netmask ffffff00 broadcast 10.0.0.255 ether 8:0:20:7f:10:23 lo0: flags=2002000849UP,LOOPBACK,RUNNING,MULTICAST,IPv 6,VIRTUAL mtu 8252 index 1 inet6 ::1/128 hme0: flags=2000841UP,RUNNING,MULTICAST,IPv6 mtu 1500 index 2 inet6 fe80::a00:20ff:fe7f:1023/10 ether 8:0:20:7f:10:23 ================================================== ==================== Note that the "lo0" entries are the internal "loopback" net, no connection to anything outside that machine), and the "hme0" ones are the 100BaseT/10BaseT twisted pair ethernet interface. There are two entries for it, because I am running both the standard IPv4 (inet) and the IPv6 (inet6) networking at once. Once it is verified that your ppp is runing (it may show up as "ppp0:"), and make sure that it says "UP,RUNNING" (with other possible states), then you need to make sure that things are routed to it. For that, try: netstat -r And you should get something of this form: ================================================== ==================== Fuego:csu 1:12 # netstat -r Routing Table: IPv4 Destination Gateway Flags Ref Use Interface -------------------- -------------------- ----- ----- ------ --------- d-and-d ceili2 UG 1 78 10.0.0.0 Fuego U 1 4095 hme0 BASE-ADDRESS.MCAST.NET Fuego U 1 0 hme0 default sponge UG 1 67 localhost localhost UH 6 98 lo0 Routing Table: IPv6 Destination/Mask Gateway Flags Ref Use If --------------------------- --------------------------- ----- --- ------ ----- fe80::/10 Fuego U 1 4 hme0 ff00::/8 Fuego U 1 0 hme0 default Fuego U 1 0 hme0 localhost localhost UH 6 252 lo0 ================================================== ==================== (Probably minus the second IPv6 part). Anyway -- look at what is set for "default". In my case, it is pointing to the firewall machine. You may need to type "route add default something" to get things pointed to your dialup PPP link. If you were previously talking to the net through your Windows box, that is probably the default. You might first try connecting booted from the CD-ROM, and see what both of those commands show (write it down), and that may help you to see what it should be doing on the disk booted version. There are various ways of doing the configurations, depending on what system you are running. On Sun's Solaris, there is an /etc/defaultrouter file containing the name of the default route, so it is automatically set on boot. Also, there is an /etc/hosts file giving matches between names and local IP addresses, and a /etc/hostname.(interface) (such as /etc/hostname.hme0 for above), which tells the system which IP address to use. In Sun's Solaris 10, it contains the system name, and the IP address is in the /etc/hosts file. For OpenBSD, on an Intel based box, the file is: /etc/hostname.rl0 and the contents a inet 10.0.0.23 255.255.255.0 NONE giving the IP address and the netmask (plus saying that there are no extra things being done with this). I picked this one as my example OpenBSD system for two reasons: 1) It is internal net only, so it is giving away nothing serious. The 10.*.*.* IP blocks cannot be routed to the outside, and connection to the outside is done through the firewall, which does NAT (Network Address Translation) to make selected protocols appear to be from an outside capable IP). 2) It is a *lot* simpler than the other OpenBSD box, which is a firewall with five ethernet interfaces -- mostly internal nets, but one external one. I added the modem after installing the OS. When booting, the os finds the modem no problem. I used KPPP to set up the modem, all went well there. Do I need to reinstall? Id rather not lose all my other settings. I'm sure that you don't -- but the trick is finding what you need to reconfigure. Without knowing that, you may need to reinstall. Can you run backups of everything important? Id run off a CD..but its slow, even on a 700 mhz machine with 512 ram. Which sort of defeats futzing with linux. I agree. Ive got Mepis (current distro) loaded, with Mandiva , Fedora and Ubuntu waiting in the wings, along with Knoppix, which, like Mepis, works pretty well. Im not doing anything other than desktop stuff, and have a second 80gig drive mounted as hdb1 for storage serving via samba I tend to avoid linux for externally net-visible systems. While it is not nearly as bad as Windows with constant patches needed, it still needs patching more frequently than I find comfortable. BSD versions vary on security posture, with OpenBSD probably being the most anal-retentive (and thus the most secure). Pretty much anything which is on by default is safe. The other stuff, you have to learn to turn on. :-) I'm using linux only on one system, to run an EMC package to (eventually) control a Bridgeport via a Servo-to-Go card. The EMC package is nicely tied to much older versions of linux, so I am rather out of date on that -- let alone not having experience with the various distributions which you have listed. Ive also got DSL, Beatrix and several other small versions also. Got any suggestions on how to solve the modem problem? I have some starting points above. I'm pretty sure that it is not a modem problem, but a networking routing problem. And the last time I worked at setting up linux networking (with a real network card), things were strangely located, relative to the Sun Solaris and the OpenBSD implementations. I hope that this is a start, at least. Enjoy, DoN. -- Email: | Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
#23
|
|||
|
|||
On Mon, 25 Jul 2005 06:46:05 GMT, "Mark Mossberg"
wrote: John, Boy,, If your ethernet cards use coax they are really old. I haven't seen those in over a decade. That type of ethernet is called "thin". I think it's 2mb per second max. If memory serves, machines using this type of set up are indeed daisy chained together with tees. The last one usually has a terminator cap. I don't know for sure if TV cable will, or will not work. Seems to me that the center conductor was much thinner than TV stuff. One things for sure, if the impedence isn't right it won't. Why don't you just get some PCI cards with a standard RJ45 plug. The machines would have to be over 15 years old to not have PCI slots, in which case you should just toss em. It's allot easier to hook up multiple machines using a cheap hub, or switch. Peer to peer is the easiest to set up, but requires that the "Netbui" protocol be installed on all machines. TCPIP protocol is much more involved, and far from automatic Regards Mark TCPIP is THE way to go, whether using RJ45 or Thin-net. Thin-net was still in fairly common use as little as 5 years ago, and combo cards are available for PCI slots (as well as for ISA) that will handle either co-ax or RJ45 - and they are 10mb, not 2. For a simple "home" network of several older machines, co-ax is definitely the simplest and cheapest. You can likely get everything you need surplus and/or free. Using RJ45 requires a hub or switch - which is often included in a "router" if you want to connect to high speed internet. Use 192.168.0.xxx for your IP addresses with the xxx ranging from 001 to 255. "JohnM" wrote in message om... Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? What sort of cable do these cards need? The same a TV uses by any chance? Many thanks, John |
#24
|
|||
|
|||
On Sun, 24 Jul 2005 23:47:10 -0700, Abrasha
wrote: JohnM wrote: Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? What sort of cable do these cards need? The same a TV uses by any chance? Many thanks, John Win 95? You might as well commit suicide before you start. And if you don't know that ethernet cards need Ethernet cables, not coax cables, you should not even contemplate starting something like this. Abrasha http://www.abrasha.com You know too little about the subject to be giving advice.Ethernet can run over thick co-ax, thin co-ax, double twisted pair (generally RJ45/Cat5) single twisted pair, fibre optic, or RF - and even IR. I have worked with all of the above over the last 20+ years. And win95 is a breeze compared to win 3.11 or DOS. Done both of them too. |
#25
|
|||
|
|||
I have just recently listed some computer networking coax & connectors and a
UTP hub on ebay... http://search.ebay.com.au/_W0QQsassZmelmacks wrote in message ... On Mon, 25 Jul 2005 06:46:05 GMT, "Mark Mossberg" wrote: John, Boy,, If your ethernet cards use coax they are really old. I haven't seen those in over a decade. That type of ethernet is called "thin". I think it's 2mb per second max. If memory serves, machines using this type of set up are indeed daisy chained together with tees. The last one usually has a terminator cap. I don't know for sure if TV cable will, or will not work. Seems to me that the center conductor was much thinner than TV stuff. One things for sure, if the impedence isn't right it won't. Why don't you just get some PCI cards with a standard RJ45 plug. The machines would have to be over 15 years old to not have PCI slots, in which case you should just toss em. It's allot easier to hook up multiple machines using a cheap hub, or switch. Peer to peer is the easiest to set up, but requires that the "Netbui" protocol be installed on all machines. TCPIP protocol is much more involved, and far from automatic Regards Mark TCPIP is THE way to go, whether using RJ45 or Thin-net. Thin-net was still in fairly common use as little as 5 years ago, and combo cards are available for PCI slots (as well as for ISA) that will handle either co-ax or RJ45 - and they are 10mb, not 2. For a simple "home" network of several older machines, co-ax is definitely the simplest and cheapest. You can likely get everything you need surplus and/or free. Using RJ45 requires a hub or switch - which is often included in a "router" if you want to connect to high speed internet. Use 192.168.0.xxx for your IP addresses with the xxx ranging from 001 to 255. "JohnM" wrote in message . com... Can I assume I can hook comuters with various Windows OS's together with ethernet cards and coax? If so, will a Win95 OS pretty well know what to do assuming I can get the thing to recognize the hardware or is it going to be a real pain to make work? What sort of cable do these cards need? The same a TV uses by any chance? Many thanks, John |
#26
|
|||
|
|||
In article ,
clarence at snyder dot on dot ca wrote: On Mon, 25 Jul 2005 06:46:05 GMT, "Mark Mossberg" wrote: [ ... ] Using RJ45 requires a hub or switch Well ... not really, if all you want to do is interconnect two machines. A "crossover" cable is sufficient. I've documented the pin numbers in this thread a few days ago. - which is often included in a "router" if you want to connect to high speed internet. Use 192.168.0.xxx for your IP addresses with the xxx ranging from 001 to 255. You really want to avoid *.*.*.255 (whether "*.*.*." translated to "192.168.0." or anything else, because that is commonly a "broadcast" address. Same for *.*.*.0 -- it is reserved for specific network functions. And *.*.*.1 is likely to be taken by the router itself, if you have one, so it is a good idea to leave it unused until you get such a thing -- to avoid having to re-allocate IP addresses when you connect to the net through a cable modem or an [A]DSL line or something else. Enjoy, DoN. -- Email: | Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
#27
|
|||
|
|||
Ignoramus6455 wrote:
yes, there are coax ethernet cards etc. Unlikely that the OP knew those details though. Hey. Thanks for the compliment. Yes, I was aware of that, having looked into it, but asking questions is how one learns and sometimes the stuff on the web assumes greater beginning knowledge than I have. Yeah, maybe I should go buy the stuff new, but I don't want to yet.. I've got some fairly obsolete machines here I'd like to play with and, not yet being a Linux geek, I'll either use win95 or 98 'cause that's what I have on hand. For the moment I'd just like to be able to move files around without burning CDs and maybe try to get the wife or kids to play a game or two with me. John In any case, go to walmart and buy a network router, and follow instructions on the router. If you cannot make it work, return the router back to walmart. Ask newsgroups for help. i |
#28
|
|||
|
|||
you can hook the two parallel ports together with a "laplink" cable and use
a freeware utility to move files - used to do that before ethernet. I may also still have a shareware/freeware network program to move files using serial cables "JohnM" wrote in message m... Ignoramus6455 wrote: yes, there are coax ethernet cards etc. Unlikely that the OP knew those details though. Hey. Thanks for the compliment. Yes, I was aware of that, having looked into it, but asking questions is how one learns and sometimes the stuff on the web assumes greater beginning knowledge than I have. Yeah, maybe I should go buy the stuff new, but I don't want to yet.. I've got some fairly obsolete machines here I'd like to play with and, not yet being a Linux geek, I'll either use win95 or 98 'cause that's what I have on hand. For the moment I'd just like to be able to move files around without burning CDs and maybe try to get the wife or kids to play a game or two with me. John In any case, go to walmart and buy a network router, and follow instructions on the router. If you cannot make it work, return the router back to walmart. Ask newsgroups for help. i |
Reply |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Forum | |||
repairing old computers | Electronics Repair | |||
Hooking generator to house 220 circuit | Home Ownership | |||
need help hooking up three phase mill | Metalworking | |||
Hooking up Central Air unit to existing vent system | Home Ownership | |||
Switching a Keyboard Between Two Computers | Electronics Repair |