User`s manual
 -  - 
3
Table Of Contents 
Chapter 1 ...................................................................................................... 1 
Introduction ............................................................................................... 1 
Key Features ............................................................................................ 2 
Chapter 2 .................................................................................................... 3 
Package Contents ..................................................................................... 3 
Chapter 3 . .................................................................................................... 4 
Front Panel Layout .................................................................................. 4 
A. Function of 8 RJ-45 port .............................................................. 4 
B. LED Indicators Of 8 Port 10/100Mbps Switch ............................... 4 
C. LED Definitions ............................................................................. 4 
• Power LED ............................................................................. 4 
•  10/ 100M LED …………..……………………………………4 
•  Link/ACT LED ……………………………………….…..….4 
• PD link………………………………………………….…….4 
Real Panel Layout ................................................................................... 5 
A. AC Power Input ............................................................................. 5 
Chapter 4 . .................................................................................................... 6 
Rack Mounting . ........................................................................................ 6 
Chapter 5 . .................................................................................................... 7 
Installation . ............................................................................................... 7 
A.  How to connect the 502917 to PD device and Existing Switches 7 
Chapter 6 .................................................................................................... 8 
Technical Specifications ........................................................................... 8 
Appendix ……………………………………………… 
A. ANSI/TIA/EIA-568-A PLUG & Twisted-pair Cable  ......................... .9 
B. EIA568A pin assignment ............................................................... .9 
C. Recommend CAT5 UTP specifications ......................................... .9










