Cisco ISA3000-4C-K9 Hardware Installation Manual page 43

Chapter 3 Connecting the ISA 3000
Figure 3-8
1
IN1 wired connection
2
REF wired connection
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
When you connect or disconnect the power and/or alarm connector with power applied, an
Warning
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
Completed Connections for Two External Alarm Devices on the Alarm Connector
1
3
2
4
3
COM wired connection
4
NO wired connection
2 in-lb (0.23 N-m).
Cisco ISA 3000 Industrial Security Appliance Hardware Installation Guide
Connecting Alarm Circuits
3-43