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how to chekc if 3550SMIA supports PoE for cisco phone

mahesh18
Level 6
Level 6

Hi all,

i have 3550SMIA  switch and needs to know if i plug cisco phone then it gets power from the switch.

how can i find that my switch supports Poe??

3550SMIA#        sh ver
Cisco IOS Software, C3550 Software (C3550-IPSERVICESK9-M), Version 12.2(44)SE6, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Mon 09-Mar-09 20:28 by gereddy
Image text-base: 0x00003000, data-base: 0x012A99FC

ROM: Bootstrap program is C3550 boot loader

3550SMIA uptime is 11 weeks, 6 days, 1 hour, 48 minutes
System returned to ROM by power-on
System restarted at 18:08:32 MST Sat Nov 27 2010
System image file is "flash:c3550-ipservicesk9-mz.122-44.SE6.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-C3550-24-PWR (PowerPC) processor (revision D0) with 65526K/8192K bytes of memory.
Processor board ID CAT0722R1DQ
Last reset from warm-reset
Running Layer2/3 Switching Image

Ethernet-controller 1 has 12 Fast Ethernet/IEEE 802.3 interfaces

Ethernet-controller 2 has 12 Fast Ethernet/IEEE 802.3 interfaces

Ethernet-controller 3 has 1 Gigabit Ethernet/IEEE 802.3 interface

Ethernet-controller 4 has 1 Gigabit Ethernet/IEEE 802.3 interface

24 FastEthernet interfaces
2 Gigabit Ethernet interfaces

The password-recovery mechanism is enabled.
384K bytes of flash-simulated NVRAM.
Base ethernet MAC Address: 00:0D:28:BC:FD:80
Motherboard assembly number: 73-8100-07
Power supply part number: 341-0029-02
Motherboard serial number: CAT072101VJ
Power supply serial number: DTH07220Y3N
Model revision number: D0
Motherboard revision number: A0
Model number: WS-C3550-24PWR-SMI
System serial number: CAT0722R1DQ
Configuration register is 0x10F

thanks

mahesh

1 Accepted Solution

Accepted Solutions

Hi Mahesh,

Your switch can support up to 15.4 (Class 3).  Make sure you enable CDP.  Plug the phone and do this command again.  You'll see it'll tell you what phone model it is. 

View solution in original post

5 Replies 5

Leo Laohoo
Hall of Fame
Hall of Fame

Model number: WS-C3550-24PWR-SMI

Supports PoE or PoE capable..

What do you get when you run the command "sh power inline"?

Hi ,

Here is info

3550SMIA#sh power inline
Available:360(w)  Used:0(w)  Remaining:360(w)

Interface Admin  Oper       Power   Device              Class Max
                            (Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Fa0/1     auto   off        0.0     n/a                 n/a   15.4
Fa0/2     auto   off        0.0     n/a                 n/a   15.4
Fa0/3     auto   off        0.0     n/a                 n/a   15.4
Fa0/4     auto   off        0.0     n/a                 n/a   15.4
Fa0/5     auto   off        0.0     n/a                 n/a   15.4
Fa0/6     auto   off        0.0     n/a                 n/a   15.4
Fa0/7     auto   off        0.0     n/a                 n/a   15.4
Fa0/8     auto   off        0.0     n/a                 n/a   15.4
Fa0/9     auto   off        0.0     n/a                 n/a   15.4
Fa0/10    auto   off        0.0     n/a                 n/a   15.4
Fa0/11    auto   off        0.0     n/a                 n/a   15.4
Fa0/12    auto   off        0.0     n/a                 n/a   15.4
Fa0/13    auto   off        0.0     n/a                 n/a   15.4
Fa0/14    auto   off        0.0     n/a                 n/a   15.4
Fa0/15    auto   off        0.0     n/a                 n/a   15.4
Fa0/16    auto   off        0.0     n/a                 n/a   15.4
Fa0/17    auto   off        0.0     n/a                 n/a   15.4
Fa0/18    auto   off        0.0     n/a                 n/a   15.4
Fa0/19    auto   off        0.0     n/a                 n/a   15.4
Interface Admin  Oper       Power   Device              Class Max
                            (Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Fa0/20    auto   off        0.0     n/a                 n/a   15.4
Fa0/21    auto   off        0.0     n/a                 n/a   15.4
Fa0/22    auto   off        0.0     n/a                 n/a   15.4
Fa0/23    auto   off        0.0     n/a                 n/a   15.4
Fa0/24    auto   off        0.0     n/a                 n/a   15.4

thanks

mahesh

Hi Mahesh,

Your switch can support up to 15.4 (Class 3).  Make sure you enable CDP.  Plug the phone and do this command again.  You'll see it'll tell you what phone model it is. 

Hi Leolaohoo,

Many thanks for reply.

regards

mahesh

Thanks for the ratings Mahesh.

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