Central Office Alarm Interface; Chassis Grounding - Cisco ASR 5500 Installation Manual

Technical Specifications
(4) FSCs [4x150w] = 600 watts
(2) SSCs [2x10w] = 20 watts
Fan Units [front and rear] = 2000 watts
Total = approximately 10 kW

Central Office Alarm Interface

The Central Office (CO) alarm interface on the SSC is a DB15 connector that supports three dry-contact (no
voltage supplied) relay switches. Each of the Form C relays is rated to support a maximum switching current
of 1A@30VDC.
Caution The alarm relay contacts should never be connected to high current draw devices, such as sirens or flashing
incandescent lamps.
The three relays support both normally-open (NO) and normally-closed (NC) devices. For additional
information, refer to the SSC Alarm Cabling chapter for details.

Chassis Grounding

The ASR 5500 is suitable for installation as part of the Common Bonding Network (CBN) within a network
telecommunications facility. It is not intended for installation in an Isolated Bonding Network (IBN).
Central Office Alarm Interface
ASR 5500 Installation Guide
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