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

288Chapter 23 Replacing or upgrading a power supply

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.

To remove the PSU status connector jumper

1Shut down the system (see “Performing a system shutdown” on page 231).

2Disconnect the BCM400 system from the AC power outlet.

3Remove the main unit top cover. Refer to “Removing the main unit top cover” on page 244.

4Locate the PSU status connector on the I/O card (see Figure 148).

5Remove 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.

6Connect the PA cable to the PSU status connector (see Figure 148 on page 288).

Figure 148 Remove the PSU status connector jumper

PSU Status connector

Jumper

I/O Card

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 “Installing a power supply module” on page 295).

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.

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