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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Phone a/c power source adapter
Hi,
I recently got an old Canadian NT Meridian M9009 + phone, which works fine as a phone (dials out and receives calls). The other functions, like a number display, Hold, Save, Rls, and some way of saving phone numbers to buttons marked 1 to 5, a volume control, aren't accessible because I don't have the AC adapter. These are the specs on the back label of the phone: Class 2 power source with input rates 120 Vac, 60 Hz, 10 W. AND Output rated 16 Vac, 250 mA *Question: I have another adapter, will it work. It's listed below? Class 2 Transformer, model no. DV-1611A, input 117 VAC, 60 Hz, 28 W. AND Output: 16 VAC, 1.1 A. Assuming the plug's polarity is correct (and I'm not sure how to determine the polarity of the phone's AC input), will this work? I have an old adapter with a plug which fits, center polarity is +. I plan to cut this plug, and splice it to the end of the AC adapter I mentioned above. Thanks! If this isn't the correct newsgroup, are there suggestions for another? Dugie |
#2
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"Dugie" wrote in message ... | Hi, | These are the specs on the back label of the phone: | | Class 2 power source with input rates 120 Vac, 60 Hz, 10 W. AND Output rated 16 Vac, 250 mA | | *Question: I have another adapter, will it work. It's listed below? | | Class 2 Transformer, model no. DV-1611A, input 117 VAC, 60 Hz, 28 W. AND Output: 16 VAC, 1.1 A. | | Assuming the plug's polarity is correct (and I'm not sure how to determine the polarity of the phone's AC input), | will this work? Should do. There is no polarity. N |
#3
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Dugie, it should work and polarity is not an issue since it is low
voltage AC. Go ahead do it. Also your adaptor has plenty of power so it should not be a problem. The phone most likely has an internal DC regulator, so even if the AC voltage is somewhat higher due to lower current loading, it will be ok. Class 2 Transformer, model no. DV-1611A, input 117 VAC, 60 Hz, 28 W. AND Output: 16 VAC, 1.1 A. Assuming the plug's polarity is correct (and I'm not sure how to determine the polarity of the phone's AC input), will this work? |
#4
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Thanks to all for the advice. I acted on it, and the phone works well!
Dugie "cmdrdata" wrote in message oups.com... Dugie, it should work and polarity is not an issue since it is low voltage AC. Go ahead do it. |
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