User's Manual

Table Of Contents
ADCP-75-348 • Issue 1 • 04/2008
Page 25
© 2008, ADC Telecommunications, Inc.
Figure 18. Alarm System Connections
6.13 Power Connections
HU is powered by a modular power supply located on the lower left side of the chassis. An On/
Off switch is provided on the HU power supply module front panel.
6.13.1 DC Power Connections
The HU is powered by ± 20 to 60 VDC power (nominal ± 24 or ± 48 VDC), install DC Power
Supply in the lower left side of the HU chassis. Secure in place by turning screws clock-wise
until tight.
22406-A
PIN 12
PIN 1