Nortel Secure Router 4134 Installation Manual page 65

CAUTION
As a general safety precaution, ensure you provide DC power
through either a fuse or DC circuit breaker with a maximum
rating of 12 amps.
Prerequisites
•
Ensure you have 18 AWG copper wire with an appropriate terminal
(lug). You require two wires for single source power, and four wires for
redundant power supplies (that is, two wires for each input).
•
Ensure you have a Phillips #2 screwdriver.
•
Ensure you have a Flathead screwdriver for tightening terminals.
DANGER
Ensure that you remove the proper amount of insulation from
copper wires when installing the terminals (lugs). Ensure that
there are no exposed wires.
Procedure steps
Step Action
1 Switch off the DC power source.
2 Loosen both terminal cover screws on the DC power supply.
Nortel Secure Router 2330/4134
Installation — Hardware Components
NN47263-301 03.01 7 September 2009
Copyright © 2007-2008 Nortel Networks. All Rights Reserved.
Connecting Secure Router 2330/4134 power cables 65
DANGER
Before continuing with this procedure, ensure that the
DC power source is switched off.