Cisco IE 3000 Hardware Installation Manual page 149
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- Software configuration manual (760 pages) ,
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Appendix B
Installation In a Hazardous Environment
Figure B-30
Figure B-30
1
2
3
4
If your power source is –48 VDC, this table descibes the wiring connections for
1
Power source A return connection
2
Power source A –48 VDC connection
3
External device 1, relay wire major alarm
connection
4
External device 1, relay wire major alarm
connection
See the
how to connect the power and relay connector to the front panel.
shows the completed wiring for two power supplies and two external alarm devices.
Completed Connections for Two External Alarm Devices on the Power and Relay
Connector
1
2
3
4
Power source A positive connection
Power source A return connection
External device 1, relay wire major alarm
connection
External device 1, relay wire major alarm
connection
"Attach the Power and Relay Connector to the Switch" section on page B-25
Connecting Power and Alarm Circuits
5
6
7
8
5
Power source B positive connection
6
Power source B return connection
7
External device 2, relay wire minor alarm
connection
8
External device 2, relay wire minor alarm
connection
5
Power source B return connection
6
Power source B –48 VDC connection
7
External device 2, relay wire minor alarm
connection
8
External device 2, relay wire minor alarm
connection
Cisco IE 3000 Switch Hardware Installation Guide
Figure
B-30.
for instructions on
B-43
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