![CommScope e-POI Installation Manual Download Page 14](http://html1.mh-extra.com/html/commscope/e-poi/e-poi_installation-manual_2643780014.webp)
ERA® WCS and e-POI Subracks and Power Supply Unit Installation Guide
M0201ABK_uc
Page 14
© June 2021 CommScope, Inc.
WCS-2 and WCS-4 Subrack Overview
-48Vdc WCS Subrack Back Panel Connectors
-48Vdc WCS Subrack Back Panel Connectors
Ref. # Component
Description
1
Ground Studs
Ground (earth) connection to the Power Supply Subrack
2
DC Power Connector
-40 to -60 Vdc input connector for connection to -48 Vdc power supply
3
REF IN connector
Reserved for use by CommScope.
4
REF OUT connector
Reserved for use by CommScope.
5
Main Power LED
On/Green when -48 Vdc power supply is connected and powered on.
6
USB Connectors
Reserved for use by CommScope.
7
Ethernet connector
Connects to local laptop using http://192.168.1.1/
8
POI connector
Communications port that connects to the optional e-POI Subrack.
9
POI Power
Provides 12 Vdc to optional e-POI Subrack
10
Alarm connector
Dry contact input and output; see
"-48Vdc WCS Subrack Back Panel Connectors”
.
The -48Vdc DC power entry connector is hot plug/unplug tolerant and has reverse polarity protection.
8
3
9
10
1
2
4
5
6
7