PoE not working on most "even ports" on WS-X4748-UPOE+E Module

[amylinit]

I am having an interesting problem that I have never seen before.  The vast majority of "even" numbered ports on a WS-X4748-UPOE+E module (slot 2) are not supplying PoE.  The PoE devices are various Avaya VoIP phones.  For some reason, only port 2 on that blade works for PoE, but no other even ports work.  All odd numbered ports work fine.  I assume that I will have to open a TAC case for this, but wondering if anyone has ever seen anything similar.  There are absolutely no error messages in the logs.  Here is a look at the show modules and show power inline.

show module

Chassis Type : WS-C4510R+E

Power consumed by backplane : 40 Watts

Mod Ports Card Type Model Serial No.
---+-----+--------------------------------------+------------------+-----------
1 48 10/100/1000BaseT UPOE E Series WS-X4748-UPOE+E 
2 48 10/100/1000BaseT UPOE E Series WS-X4748-UPOE+E
3 48 10/100/1000BaseT UPOE E Series WS-X4748-UPOE+E
4 48 10/100/1000BaseT UPOE E Series WS-X4748-UPOE+E
5 8 Sup 8-E 10GE (SFP+), 1000BaseX (SFP) WS-X45-SUP8-E
7 48 10/100/1000BaseT UPOE E Series WS-X4748-UPOE+E

M MAC addresses Hw Fw Sw Status
--+--------------------------------+---+------------+----------------+---------
1 f4cf.e265.49a0 to f4cf.e265.49cf 1.0 Ok
2 f44e.0504.3530 to f44e.0504.355f 1.2 Ok
3 f44e.0504.1c10 to f44e.0504.1c3f 1.2 Ok
4 fc5b.39f5.7148 to fc5b.39f5.7177 1.2 Ok
5 f4cf.e25c.0b40 to f4cf.e25c.0b47 1.2 15.1(1r)SG5 03.06.00.E Ok
7 f4cf.e2b4.0080 to f4cf.e2b4.00af 1.0 Ok

Mod Redundancy role Operating mode Redundancy status
----+-------------------+-------------------+----------------------------------
5 Active Supervisor RPR Active

show power inline

Gi2/1 auto off 0.0 0.0 n/a n/a
Gi2/2 auto on 7.4 7.0 Ieee PD 2
Gi2/3 auto off 0.0 0.0 n/a n/a
Gi2/4 auto off 0.0 0.0 n/a n/a
Gi2/5 auto off 0.0 0.0 n/a n/a
Gi2/6 auto off 0.0 0.0 n/a n/a
Gi2/7 auto off 0.0 0.0 n/a n/a
Gi2/8 auto off 0.0 0.0 n/a n/a
Gi2/9 auto off 0.0 0.0 n/a n/a
Gi2/10 auto off 0.0 0.0 n/a n/a
Gi2/11 auto off 0.0 0.0 n/a n/a
Gi2/12 auto off 0.0 0.0 n/a n/a
Gi2/13 auto off 0.0 0.0 n/a n/a
Gi2/14 auto off 0.0 0.0 n/a n/a
Gi2/15 auto off 0.0 0.0 n/a n/a
Gi2/16 auto off 0.0 0.0 n/a n/a
Gi2/17 auto off 0.0 0.0 n/a n/a
Gi2/18 auto off 0.0 0.0 n/a n/a
Gi2/19 auto off 0.0 0.0 n/a n/a
Gi2/20 auto off 0.0 0.0 n/a n/a
Gi2/21 auto off 0.0 0.0 n/a n/a
Gi2/22 auto off 0.0 0.0 n/a n/a
Gi2/23 auto off 0.0 0.0 n/a n/a
Gi2/24 auto off 0.0 0.0 n/a n/a
Gi2/25 auto on 4.2 4.0 Ieee PD 1
Gi2/26 auto off 0.0 0.0 n/a n/a
Gi2/27 auto on 7.4 7.0 Ieee PD 2
Gi2/28 auto off 0.0 0.0 n/a n/a
Gi2/29 auto on 6.4 6.1 Ieee PD 2
Gi2/30 auto off 0.0 0.0 n/a n/a
Gi2/31 auto on 4.2 4.0 Ieee PD 1
Gi2/32 auto off 0.0 0.0 n/a n/a
Gi2/33 auto on 4.2 4.0 Ieee PD 1
Gi2/34 auto off 0.0 0.0 n/a n/a
Gi2/35 auto on 4.2 4.0 Ieee PD 1
Gi2/36 auto off 0.0 0.0 n/a n/a
Gi2/37 auto on 4.2 4.0 Ieee PD 1
Gi2/38 auto off 0.0 0.0 n/a n/a
Gi2/39 auto on 7.4 7.0 Ieee PD 2
Gi2/40 auto off 0.0 0.0 n/a n/a
Gi2/41 auto on 7.4 7.0 Ieee PD 2
Gi2/42 auto off 0.0 0.0 n/a n/a
Gi2/43 auto on 7.4 7.0 Ieee PD 2
Gi2/44 auto off 0.0 0.0 n/a n/a
Gi2/45 auto off 0.0 0.0 n/a n/a
Gi2/46 auto off 0.0 0.0 n/a n/a
Gi2/47 auto on 4.2 4.0 Ieee PD 1
Gi2/48 auto off 0.0 0.0 n/a n/a

Thanks!

[Reza Sharifi]

What size power supply do you have?

Do you have enough power to power up everything?

What happens if you move the connections from blade 2 to blade 3 or 4?

HTH

[amylinit]

Thanks for the quick response.

There are two redundant 4200W power supplies in the switch.  There is plenty of power available.  If I move connections to any other ports on the entire switch other than any even numbered port on module 2 (other than port 2), PoE works as expected.  here is a show power from the switch:

Power Fan Inline
Supply Model No Type Status Sensor Status
------ ---------------- --------- ----------- ------- -------
PS1 PWR-C45-4200ACV AC 4200W good good good
PS1-1 220V good
PS1-2 220V good
PS2 PWR-C45-4200ACV AC 4200W good good good
PS2-1 220V good
PS2-2 220V good

Power supplies needed by system : 1
Power supplies currently available : 2

Power Summary Maximum
(in Watts) Used Available
---------------------- ---- ---------
System Power (12V) 990 1360
Inline Power (-50V) 651 3170
Backplane Power (3.3V) 40 40
---------------------- ---- ---------
Total 1681 (not to exceed Total Maximum Available = 4200)

Power Measurement Inline Power (-50V)
(in Watts) (+/- 50Watts)
------------------ -------------------
PS1 150
PS2 200
------------------ -------------------
Total 350

Thanks again.

[amylinit]

It is also worth mentioning that all of the ports where PoE does not work, those same ports connect to non-PoE devices without any issues, like a laptop or desktop.

[amylinit]

Thanks for the advice.  I will give that configuration a shot and post an update if it helped.

[Reza Sharifi]

Yes, you have enough power. Can you try setting one of the ports in module 2 statically and see if the phone comes up. "sh inlin power module x" will show you how much power the working phones need. And then configure the same amount or more on one of the non-working ports

example

Config t

interface g2/12

power inline consumtion ....

If none of these help you most likley need to RMA that module.

HTH