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Cisco ISA 3000 Industrial Security Appliance Hardware Installation Guide
Chapter 3 Connecting the ISA 3000
Connecting Alarm Circuits
Figure 3-8 Completed Connections for Two External Alarm Devices on the Alarm Connector
Attaching the Alarm Connector to the Device
Warning
Failure to securely tighten the captive screws can result in an electrical arc if the connector is
accidentally removed. Statement 397
Warning
When you connect or disconnect the power and/or alarm connector with power applied, an
electrical arc can occur. This could cause an explosion in hazardous area installations. Be sure
that all power is removed from the device and any other circuits. Be sure that power cannot be
accidentally turned on or verify that the area is nonhazardous before proceeding.
Statement 1058
To attach the alarm connector to the front panel of the device:
Step 1 Insert the alarm connector into the receptacle on the device front panel.
Step 2 Use a ratcheting torque flathead screwdriver to tighten the captive screws on the sides of the alarm
connector. Torque to
2 in-lb (0.23 N-m).
1 IN1 wired connection 3 COM wired connection
2 REF wired connection 4 NO wired connection