2-17
Cisco IE 4000 Switch Hardware Installation Guide
Chapter 2 Switch Installation
Connecting to Power
Figure 2-8
Completed DC Power Connections on the Power Connectors
If your power source is –48 VDC, this table describes the your wiring connections for
Figure 2-8
.
Attaching the Power Connectors to the Switch
To attach the power connectors to the front panel of the switch, follow these steps:
Step 1
Insert one power connector into the DC-A receptacle on the switch front panel, and the other into the
DC-B receptacle. See
Figure 2-5
.
Warning
Failure to securely tighten the captive screws can result in an electrical arc if the connector is
accidentally removed.
Statement 397
Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection.
Ensure that the protective device is rated not greater than: 7.5A.
Statement 1005
1
Power source A positive connection
3
Power source B positive connection
2
Power source A return connection
4
Power source B return connection
33
202
3
1
2
3
4
1
Power source A ground connection
3
Power source B ground connection
2
Power source A –48 VDC connection
4
Power source B –48 VDC connection
