Nortel Networks 400 4.0 ユーザーズマニュアル

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Chapter 23 Replacing or upgrading a power supply
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To remove the PSU status connector jumper
1
Shut down the system (see 
2
Disconnect the BCM400 system from the AC power outlet.
3
Remove the main unit top cover. Refer to 
4
Locate the PSU status connector on the I/O card (see 
). 
5
Remove the RPS output signaling connector jumper. Use needle-nose pliers to pull the jumper 
out and away from the connector. Place the jumper in a safe location.
6
Connect the PA cable to the PSU status connector (see 
Figure 148   Remove the PSU status connector jumper
Installing a redundant power supply cage (BCM400 only)
This procedure describes how to install a redundant power supply cage in the BCM400 main unit. 
After you install the redundant power supply cage in the main unit, install the two power supply 
modules (see 
).  
Warning: Protect the hardware components against damage from electrostatic discharge. 
Always wear a grounded wrist strap before you handle components. Always place the 
components in a static-free container.
Note: When you upgrade to a redundant power supply, you must also install a redundant 
fan. Refer to 
.
I/O Card
PSU Status 
connector
Jumper