3-15
Cisco AS5400 Universal Gateway Chassis Installation Guide
OL-2847-02 0A
Chapter 3 Installing the Cisco AS5400 and Cisco AS5400HPX Universal Gateways
Supplying Power
Warning
Before performing any of the following procedures, ensure that power is removed from
the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel
board that services the DC circuit, switch the circuit breaker to the OFF position, and
tape the switch handle of the circuit breaker in the OFF position. To see translations of
the warnings that appear in the publication, refer to the
Regulatory Compliance and
Safety Information
document that accompanied this device.
Note
This product is intended for installation in restricted access areas and is approved for
connection using 12 or 14 AWG copper conductors only. The installation must comply with
all applicable codes.
Refer to
Figure 3-15
and follow these steps to wire the terminal blocks:
Step 1
Note the orientation of the DC power supply. The power supply cord should have three wires: 48 VDC
Return, -48 VDC, and a safety ground (green wire).
Warning
The illustration shows the DC power supply terminal block. Wire the DC power supply
using the appropriate wire terminations at the wiring end, as illustrated. The proper
wiring sequence is ground to ground, return to return, and negative to negative. Note that
the ground wire should always be connected first and disconnected last. To see
translations of the warnings that appear in the publication, refer to the
Regulatory
Compliance and Safety Information
document that accompanied this device.
Figure 3-15 DC Power Supply Connections
On/off switch
146407
Terminal block
Terminal block
Mounting screws
Mounting screw
IN OK
DC
OTF
IN OK
DC
OTF
J2
J1
LEDs
LEDs
