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Cisco Systems 15454M6DC Manuel D’Utilisation

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Cisco ONS 15454 Installation and Operations Guide
November 2001
Chapter 1      Hardware Installation
Power and Ground Installation
Procedure: Install Redundant Power Feeds
Ground only one cable to ground the shelf assembly. Terminate the other end of the ground cable to 
ground according to local site practice. The ONS 15454 backplane also has a ground terminal on the 
right side of the backplane. Connect a ground terminal for the frame ground (FGND) terminal according 
to local site practice.
If the system loses power or both TCC+ cards are reset, you must reset the ONS 15454 clock. After 
powering down, the date defaults to January 1, 1970, 00:04:15. To reset the clock, see the 
Note
If you encounter problems with the power supply, refer to the Cisco ONS 15454 Troubleshooting and 
Maintenance Guide for possible causes. 
Warning
Do not apply power to the ONS 15454 until you complete all installation steps and check the 
continuity of the -48V DC and return. 
Step 1
Measure and cut the cables as needed to reach the ONS 15454 from the fuse panel. 
 shows 
the ONS 15454 power terminals.
Step 2
Dress the power and ground cables according to local site practice. 
Warning
When installing the ONS 15454, the ground connection must always be made first and 
disconnected last.
Figure 1-23 Power terminals
33921
RET  1
CAUTION: Remove power from both
the BAT1 and terminal blocks
prior to servicing
SUITABLE FOR MOUNTING ON
A NON-COMBUSTIBLE SURFACE.
PLEASE REFER TO INSTALLATION
INSTRUCTIONS.
-42 V      24 A
BAT  1
RET  2
BAT  2
Battery leads (red)
Return leads (black)