Cisco IE 3000 Hardware Installation Manual page 56

Verifying Switch Operation
Figure 2-16
1 Power source A positive connection
2 Power source A return connection
3
External device 1, relay wire connection
4
External device 1, relay wire connection
If your power source is –48 VDC, the following table descibes the your wiring connections for
Figure
1 Power source A return connection
2 Power source A –48 VDC connection
3
External device 1, relay wire connection
4 External device 1, relay wire connection
(Optional) If you plan to connect external alarm devices to the alarm relays and the switch is already
Step 8
installed, go to the
Switch Operation" section on page
Cisco IE 3000 Switch Hardware Installation Guide
2-22
Completed DC Power Connections on the Power and Relay Connector
1
2
3
4
2-16.
"Wiring the External Alarms" section on page
5
6
5 Power source B positive connection
6 Power source B return connection
7
External device 2, relay wire connection
8
External device 2, relay wire connection
5 Power source B return connection
6 Power source B –48 VDC connection
7
External device 2, relay wire connection
8 External device 2, relay wire connection
2-13.
Chapter 2 Switch Installation
7
8
2-37. Otherwise, go to the "Verifying