GS1500-24P PoE for Cisco 7960 SIP

Hun Posts: 18  Freshman Member
First Anniversary 10 Comments Friend Collector
edited August 2022 in Switch
Hello All!
I've just purchased this used switch, and I have issue powering up Cisco 7960 phones. I have 5 of these phones, and so far I was able to power up only 1.
I'm using the B type pinout on Cat5,  the blue and brown pair is supplying the power. This 1 working phoneis  powering up on each port, the other phones wont boot up. Is it a phone issue??? All 4 of them???
Please advise....thanks for you time!

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