Nortel Networks BCM200, 400 4.0 manual Removing the PSU status connector jumper

Chapter 23 Replacing or upgrading a power supply 287

•“Removing the PSU status connector jumper” on page 287

•“Installing a redundant power supply cage (BCM400 only)” on page 288

•“Removing a BCM400 redundant power supply cage” on page 293

•“Installing a power supply module” on page 295

•“Removing a power supply module” on page 297

Figure 147 provides an overview of the steps required to upgrade your BCM400 system from a standard power supply to a redundant power supply.

Note: A BCM expansion unit with a standard power supply cannot be upgraded. You must replace the expansion unit.

Note: When you install a redundant power supply, you must also install a redundant cooling fan included with the redundancy upgrade kit.

Note: When you install a redundant power supply, you must also remove the jumper installed in the power supply unit status connector (RPS output signaling connector) on the I/O card.

Figure 147 Redundant power supply upgrade overview

Shut down the

system

Set up unit for maintenance

Note cable

routing. Remove

cables

Remove the

standard power

supply

Install redundant

power supply

cage

Remove PSU

jumper

Make internal connections

Insert both

modules into power supply cage

Restore unit to

operation

Check power LED

Removing the PSU status connector jumper

Use this procedure if you are installing a redundant power supply for the first time. Use this procedure only with the BCM400 main unit.

Note: When you upgrade to a redundant power supply, you must also install a redundant fan. Refer to “Installing a BCM400 cooling fan” on page 326.

BCM200/400 4.0 Installation and Maintenance Guide