Cisco ASR 5000 Series User Manual

Technical Specifications
▀ Interface Specifications
▄ Cisco ASR 5000 Series Product Overview
OL-22938-02
Electrical Characteristics
Each of the three dry-contact relay switches is rated to support a maximum switching current of 1A@30VDC.
Central Office Alarm Wiring Example
The example in the following figure shows how each of the three dry-contact relay switches can control up to two
alarming devices. In this example, the CO alarm interface is connected to a CO alarms panel. A green LED is wired to
indicate a normal condition (normally closed relay). A red LED is wired to indicate an alarm condition (normally open
relay).
Figure 224. CO Alarm Wiring Example
Pin 1 NC
SPIO CO Alarm
Interface
Pin 3 NO
Pin 4 NC
Pin 6 NO
Pin 7 NC
Pin 8 Common
Pin 9 NO
Major
Alar
m
Critical
Alarm
Minor
Alar
m
CO Alarms Panel
Pin 2 Common
Pin 5 Common
Normal Alarm
In this wiring example, with each relay switch in its NC position, the green LED is illuminated. If a relay switch were in
the NO position, the red LED would be illuminated.
BITS Timing Interface
Important: This interface is not used on SPIOs when the system is configured to perform data services.

Cisco ASR 5000 Series Specifications

General

Brand	Cisco
Model	ASR 5000 Series
Category	Network Router
Language	English