I bought a Verizon g3100 router; it did not come with its external power supply. The needed cord has an input of 105-125v ~ 60Hz 1.5a and output 12v 3.5a.
I can't find exact cord anywhere but I found one netgear cord that is input 100-240v 50/60Hz 1.3a and output 12v 3.5a. Would this be safe to use or no because the input is different?
1 Answer
Power supplies which work on 100-240V AC, 50 or 60 Hz, and output 12V DC at 3.5A will be compatible, so long as the connector at the end of the power supply has the same type of connector and the same polarity (puts the + on the same connector as the device expects, normally with + on the inner connector if the connector is a 'coaxial' or 'barrel' connector.
A power supply which is rated to work with 100-240V AC just doesn't care much what the input voltage is. It is designed to deliver 12VDC no matter what.
Another critical factor is the Amperage "A"; you can substitute a power supply which delivers the specified amperage or more. If you tried to use a power supply with a lower amperage rating, or a different voltage, now that could cause damage.
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