• Cisco Phone Serial Number Lookup

Cisco devices have a standard serial number, from the serial number you can work out it's age and the location it was built.

This document shows how to determine the serial numbers of various replaceable components on various Cisco Catalyst switches. The serial numbers are necessary to create a database of the parts in the network. When you create a service request with Cisco Technical Support, you must have the serial number of the affected devices at hand. IT Policy Downloads. Three ways to remotely determine your Cisco router's serial number. These solutions assume that you have a newer router in which the output of the serial. Cisco Coverage Checker. Choose one of the following options to submit your device serial number or numbers: To check up to 20 Cisco devices, enter a comma-delimited or space-delimited list of serial numbers in the field provided, and click the Check button. To check more than 20 Cisco devices, complete these steps to use the Bulk input method: a.

To decipher the serial number, here's how it is composed.
Cisco S/N format is LLLYYWWXXXX.
LLL = Location code (i.e. FOC = FoxConn China)
YY = Year code (08 = 2004..09=2005..etc..)
WW = Week code (weeks 01 to 52)
XXXX = Base-34 Alpha Numeric Unique identifier (Includes 0 to 9 & entire alphabet except I & O).

Location codes:
CTH --- Celestica - Thailand
FOC --- Foxconn - Shenzhen, China
JAB --- Jabil - Florida
JPE --- Jabil - Malaysia
JSH --- Jabil - Shanghai , China
TAU --- Solectron - Texas
PEN --- Solectron - Malaysia

Year codes:
01 = 1997
02 = 1998
03 = 1999
04 = 2000
05 = 2001
06 = 2002
07 = 2003
08 = 2004
09 = 2005
10 = 2006
11 = 2007
12 = 2008
13 = 2009
14 = 2010
15 = 2011
16 = 2012
17 = 2013
18 = 2014

2 Steps total

Step 1: Get a Cisco serial number.

Creative sb0570 driver windows 7 free. We'll use FOC0849N1BD.
The serial number can be obtained by looking at the rear of the device and it will be a white sticker with black printed letter, alternatively enter the command 'show version' onto the command line and look for the serial number in the output.

Step 2: Deciper!

FOC0849N1BD
Built in Foxconn, China in 2004 in week 49 of production and it's unique code is N1BD.

Knowing the actual age, not the purchase age, of you Cisco equipment can aid in forward planning for techical refreshing of you equipment.

5 Comments

Cisco Phone Serial Number Lookup

• Thai Pepper
  BloodHoundGang Oct 18, 2014 at 02:14pm

  I think if you explained hot to pull the serial number from the device along with this it would have been more informative. But good information thanks for sharing.

• Mace
  brianwhelton Oct 18, 2014 at 05:13pm

  Fair one, should have thought of that, I've added it!

• Jalapeno
  Mitch9775 Oct 24, 2014 at 05:50pm

  Nice work! I didn't realize that's how the SNs were comprised. Cool :)

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• Pimiento
  dirtdigger Feb 19, 2019 at 10:38am

  Hi, and this serial, it's a SFP. Same rule?
  FNS18431JBW
  what can you tell about this one

• Mace
  brianwhelton Feb 19, 2019 at 09:32pm

  No, this only checks Cisco switches and Routers, you could try https://cway.cisco.com/sncheck/ is you have a Cisco support contract.