Using Virtual Wires; External Input Alarms; Figure 7-4 Example Of External Alarms And Controls In A Virtual Wire Configuration - Cisco ONS 15327 User Documentation

Chapter 7 Card Provisioning

7.5 Using Virtual Wires

Provisioning the external alarms provides a "virtual wires" option that you can use to route external
alarms and controls from different nodes to one or more alarm collection centers. For example, in
Figure
Wire #1, and Virtual Wire #1 is provisioned as the trigger (external output control) for an external bell
at Node 1.
Figure 7-4
Smoke
detector

7.5.1 External Input Alarms

Use external alarms for sensors such as open doors, temperature sensors, flood sensors, and other
environmental conditions.
June 2002
7-4, smoke detectors provisioned as external alarms at Nodes 1, 2, 3, and 4 are assigned to Virtual
Example of external alarms and controls in a virtual wire configuration
Smoke
detector
Virtual Wire #1
ONS 15327
Node 4
Virtual Wire #1
Bell
Virtual Wire #1 is
external control
trigger
ONS 15327
Node 1
ONS 15327
Node 2
ONS 15327
Node 3
Smoke
detector
Cisco ONS 15327 User Documentation, R3.3
Using Virtual Wires
Virtual Wire #1
Smoke
detector
Virtual Wire #1
= External alarm
= External control
7-17