Connecting Dc Source Power To The Switch - Cisco 4948 - Catalyst Switch Installation Manual

Chapter 3 Installing the Switch
Figure 3-5
Connect the other end of the power cord to an AC-power input source. If two power supplies will be used
Step 5
to power the chassis, make sure that each AC-input power supply is plugged into its own dedicated
circuit.
If you have only one power supply installed in the chassis, you must cover the empty power supply bay
Note
with a blank power supply cover (Cisco p/n 800-25264-01). The blank power supply cover maintains
EMI shielding and proper air flow through the chassis.
Do not turn on the AC-input power supply power on/off switch at this time. Continue the installation
Step 6
process by attaching the interface cables to the chassis ports.

Connecting DC Source Power to the Switch

Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Statement 1003
This unit is intended for installation in restricted access areas. A restricted access area can be
Warning
accessed only through the use of a special tool, lock and key, or other means of security.
Statement 1017
This product requires short-circuit (overcurrent) protection, to be provided as part of the building
Warning
installation. Install only in accordance with national and local wiring regulations. Statement 1045
Warning Hazardous voltage or energy may be present on DC power terminals. Always replace cover when
terminals are not in service. Be sure uninsulated conductors are not accessible when cover is in
place. Statement 1075
OL-21561-02
Connecting Source AC to the AC-Input Power Supply
PWR - 540
AC
100 - 240
VAC
7 - 3A
50 - 60 Hz
INPU T
OUT PUT
OK
OK
Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide
Connecting Power to the Switch
PWR - 540
AC
100 - 240
VAC
7 - 3A
50 - 60 Hz
INPU T
OUT PUT
OK
OK
3-13