User's Manual

ManualsBrandsNortel Networks ManualsNetwork HardwareNortel Networks Network Hardware 400 4.0

281

282

283

284

285

286

287

288

289

290

282 Chapter 23 Replacing or upgrading a power supply

N0060612N0060612

10 Loop the cables together and tie-wrap to the side of the power supply to remove P1, P9, P3,

P7/8 excess cable length. Fold the cables to the rear of the main unit and secure with a

tie-wrap. Ensure the cables are tied far enough back so they do not interfere with the insertion

of the base function tray.

11 Attach the fan plug to the I/O card Fan #1 connection. Loop excess fan cable length under the

I/O card.

12 Insert the base function tray fully into the main unit. Ensure the base function tray does not

interfere with any cabling.

13 Replace the main unit top cover. See “Installing the main unit top cover” on page 246.

14 Press the power supply switch to the ON position (if applicable). Plug the BCM power cord

into an AC power outlet.

15 Restore the BCM system to operation. For details, refer to “Restarting the system after

maintenance” on page 232. The BCM system starts when you connect the AC power cord.

Wait for the start-up process to finish.

16 Monitor the power LED on the base function tray. Refer to Table 83.

a If the BCM system does not power up, press the reset button on the base function tray

front panel.

b If the Power LED is red and does not respond to a manual reset, this indicates a faulty

power condition. Contact your Nortel representative.

c If the Power LED is green, the system is operating normally.

Removing a BCM400 standard power supply

Use this procedure to remove the standard power supply from a BCM400 main unit.

Note: Verify the power supply cables are connected correctly and do not interfere with

any internal components.

Table 83 Power supply LED

LED

Label Description

Green

LED On

Green

LED Flash Red LED On (Only)

Green

LED Off

Indicates state of system

power.

OK N/A A minimum of 1 PS needs

attention.

N/A

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.