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7937G not booting up

shirwaziri1_2
Level 1
Level 1

We have a 6509 switch and when plugging the 7937 directly to one of the Fast Ethernet ports, the Conference phone does not power up.

I read that the port has to be configured for Ieee 802.3af. Is their a command to enable this? I also read that you have to be at a specific version. I am a bit confused. Below is my show run, can someone please verify what needs to get done to get the phone functional?

IPC_Lan_Switch#show ver

Cisco Internetwork Operating System Software

IOS (tm) s72033_rp Software (s72033_rp-PK9SV-M), Version 12.2(18)SXD7b, RELEASE SOFTWARE (

fc1)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2006 by cisco Systems, Inc.

Compiled Fri 08-Dec-06 12:51 by ccai

Image text-base: 0x4002100C, data-base: 0x42320000

ROM: System Bootstrap, Version 12.2(17r)S4, RELEASE SOFTWARE (fc1)

BOOTLDR: s72033_rp Software (s72033_rp-PK9SV-M), Version 12.2(18)SXD7b, RELEASE SOFTWARE (

fc1)

IPC_Lan_Switch uptime is 2 weeks, 4 days, 6 hours, 43 minutes

Time since IPC_Lan_Switch switched to active is 2 weeks, 4 days, 6 hours, 42 minutes

System returned to ROM by unknown reload cause - suspect boot_data[BOOT_COUNT] 0x0, BOOT_C

OUNT 0, BOOTDATA 19 (SP by power-on)

System image file is "sup-bootflash:s72033-pk9sv-mz.122-18.SXD7b.bin"

This product contains cryptographic features and is subject to United

States and local country laws governing import, export, transfer and

use. Delivery of Cisco cryptographic products does not imply

third-party authority to import, export, distribute or use encryption.

Importers, exporters, distributors and users are responsible for

compliance with U.S. and local country laws. By using this product you

agree to comply with applicable laws and regulations. If you are unable

to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:

http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to

export@cisco.com.

cisco WS-C6509 (R7000) processor (revision 2.0) with 458720K/65536K bytes of memory.

Processor board ID SCA0528010G

SR71000 CPU at 600Mhz, Implementation 0x504, Rev 1.2, 512KB L2 Cache

Last reset from s/w reset

X.25 software, Version 3.0.0.

Bridging software.

3 Virtual Ethernet/IEEE 802.3 interface(s)

244 FastEthernet/IEEE 802.3 interface(s)

5 Gigabit Ethernet/IEEE 802.3 interface(s)

1917K bytes of non-volatile configuration memory.

8192K bytes of packet buffer memory.

65536K bytes of Flash internal SIMM (Sector size 512K).

Configuration register is 0x2102

3 Replies 3

JOSE TORRES
Level 1
Level 1

What is the model number of the blade/module you are plugging this phone into?

The 7937G is an IEEE 802.3af PoE (Class 3 device) meaning it requires 15.4 Watts.

If the module is a prestandard POE blade it will not be able to provide the correct power to it.

If the module supports IEEE 802.3af PoE you might want to verify the phone works by using a CP-PWR-CUBE3.

I know some of the other conference phones require an external power supply. I would check the documentation closer to make sure this isn't the case.

Otherwise, try switching ports on the switch, may be a bad card/port.

tlwoodstx
Level 1
Level 1

I had a similar issue on my 4500 switch with the same phone. The blades in my 4500 are mdoel WS-4148-RJ45V which from what I can gather don't support the required IEEE 802.3af. My upgrade choice is to move to a WS-4248-RJ45V to support this phone. I opted to add a Cisco 3506(8-port) which was a cheaper alternative to replacing a blade for one conference phone. Hope this helps!

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