Cisco 7500 Series Configuration Manual page 131
Cisco systems bridge/router installation and configuration guide
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Also See for 7500 Series:
- Replacing manual (40 pages) ,
- Configuration manual (50 pages) ,
- Datasheet (11 pages)
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Chapter 3
Installing a Cisco 7500 Series Router
R E V I E W D R A F T — C I S C O C O N F I D E N T I A L
The following procedure assumes you have already installed the power supplies using the procedure in
the
"Installing Cisco 7507 and Cisco 7507-MX Power Supplies" section on page
requires 8-AWG cable for terminal block connections and a 3/16-inch flat-blade screwdriver to loosen
the captive screws on the terminal block cover and the terminal block.
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
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.
Before working on a chassis or working near power supplies, unplug the power cord on AC units or
Warning
disconnect the power at the circuit breaker on DC units.
Warning
This unit might have more than one power cord. To reduce the risk of electric shock, disconnect the
two power supply cords before servicing the unit.
Use this procedure to connect power to DC-input power supplies in the Cisco 7507 or Cisco 7507-MX:
Step 1
Using a screwdriver, loosen the captive installation screws on the terminal block cover.
Step 2
Lift and remove the terminal block cover.
Figure 3-10
DO NOT SHIP WITH POWER SUPPLY
INSTALLED
Step 3
Wire the DC power supply using the appropriate lugs at the wiring end.
Warning
The illustration shows the DC power supply terminal block. Wire the DC power supply using the
appropriate lugs at the wiring end, as illustrated. The proper wiring sequence is ground to ground,
positive to positive (line to L), and negative to negative (neutral to N). Note that the ground wire should
always be connected first and disconnected last.
OL-5008-03 B0
Removing the Terminal Block Cover (Cisco 7507 and Cisco 7507-MX)
FASTENER TO BE FULLY ENGAGED
BEFORE OPERATING POWER SUPPLY
INPUT VOLTAGE : 40-72 V=
INPUT CURRENT : 24-13A
Captive installation screws
on terminal block cover
Installing the Cisco 7507 and Cisco 7507-MX
Cisco 7500 Series Installation and Configuration Guide
3-14. The procedure
Figure 3-10
3-17
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