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ERA® WCS and e-POI Subracks and Power Supply Unit Installation Guide
© June 2021 CommScope, Inc.
Page 13
WCS-2 and WCS-4 Subrack Overview
WCS Subrack Back Panel Connectors
WCS Subrack Back Panel Connectors
Ref. # Component
Description
1
REF IN connector
Reserved for use by CommScope.
2
REF OUT connector
Reserved for use by CommScope.
4
Rectifier Control connector
24-pin connector for PSU communication
5
USB connectors
Reserved for use by CommScope.
6
Ethernet connector
Connects to local laptop using http://192.168.1.1/
7
POI connector
Communications port that connects to the optional e-POI Subrack.
8
POI Power connector
12 Vdc to e-POI Subrack
9
Power connector
Inputs to the 12 Vdc Rectifier Module and the 57 Vdc Rectifier Module
10
Alarm connector
Dry contact input and output; see
"-48Vdc WCS Subrack Back Panel Connectors”
.
11
Ground stud
Ground (earth) connection to the Power Supply Subrack
WCS Subrack Back Panel LED
Ref # LED
LED Color/Status
3
AUX PWR
• On/Green when the Rectifier Control Cable is installed, and the PSU is
powered on.
• Off when either the PSU is off, or the PSU is on, but the control cable is
unplugged.
To prevent SEVERE damage to the WCS Subrack, confirm that all AC power cables are unplugged from the
rear of the PSU BEFORE plugging/unplugging the Rectifier Control cable into/from the WCS Subrack.
1
7
8
9
10
11
2
3
4
5
6