asked on VoIP - PoE Switches vs. phone adapters
We're in the early stage of looking to replace our aging phone system with VoIP.
Our 5 switches are Cisco 2960G ... Not PoE.
Aside from no 9-1-1 in a power failure, is there any disadvantage to using power adapters on each VoIP desk phone vs. replacing two or more of our switches with expensive new ones ? We have maybe 75 phones. I also read that a Cisco PoE switch may have 48 ports, but only 24 of them can provide PoE power. Is this generally true or just for certain switches ?
Thanks.
Stephen
Our 5 switches are Cisco 2960G ... Not PoE.
Aside from no 9-1-1 in a power failure, is there any disadvantage to using power adapters on each VoIP desk phone vs. replacing two or more of our switches with expensive new ones ? We have maybe 75 phones. I also read that a Cisco PoE switch may have 48 ports, but only 24 of them can provide PoE power. Is this generally true or just for certain switches ?
Thanks.
Stephen
Voice Over IPNetworkingSwitches / HubsIP TelephonyTelecommunications
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lapavoni
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I would look at replacing the switch with a PoE switch. Power adapters are pretty expensive and it doesn't take a too many to make the PoE switch the more cost effective solution
ASKER
Good advice and good points. Thank you both. Studying Cisco 2960 PoE switches, I learned that the 370 watt powers 24 of the 48 ports. The 740 watt powers them all. It is a significant investment at $3k to $4k each, but probably worth it in the long run.