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Cisco Small Business Managed Switches (Linksys Business Series)

PoE Pin Assignments


Document ID: 108883


Contents

Introduction
What are the PIN Assignments for SRW224P?
Related Information

Introduction


This article is one in a series to assist in the setup, troubleshooting, and maintenance of Cisco Small Business products (formerly Linksys Business Series).

Q. What are the PIN Assignments for SRW224P?

A.

A PSE (power source equipment) may provide power via either of two valid four-wire connections. In each four-wire connection, the two conductors associate with a pair. Each pair carries the same nominal current in both magnitude and polarity. Based on SRW224P product spec, SRW224P feeds power over 1/2/3/6 data twisted pairs of Cat. 5 UTP/STP cables, that is, using 802.3af Alternative A.


 
For Heat and Power Dissipation:

  • Power: 45W  (Switching System)
  • Power: 180W (Power over Ethernet)
  • Total Power: 225W

Related Information


Updated: Dec 12, 2008Document ID: 108883