Nortel Networks BCM200/400 - Manual (Page 292)

292 Chapter 23 Replacing or upgrading a power supply
N0060612 N0060612
Figure 144 Remove the power supply and support bracket
13 Remove the tie-wrap from the power supply support bracket. Place the power supply in a safe,
static-free location.
Installing a BCM400 standard power supply
Use this procedure to install a functional standard power supply in a BCM400 main unit. The base
function and advanced function trays must be partially removed.
To install a BCM400 standard power supply
1 Ensure the new power supply is an auto-adjust power supply.
2 Insert a tie-wrap in the power supply support bracket lanclet.
3 Place the standard power supply (top down) on a flat surface. Place the power supply support
bracket on the bottom surface of the power supply.
4 Gather together and route the main card 20-pin power cable (P1) and the +12v power cable
(P9) at the tie-wrap.
5 Secure the power cables to the power supply support bracket with the tie-wrap inserted in step
2 (see
Figure 145 ).
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.
Warning: Power supply cable management is critical. Loose or incorrectly positioned
cables can result in cable damage.
Cut the cable
tie-wrap away from
the power supply
support bracket.
Remove power
supply
Remove the power
supply and support
bracket from main unit
Remove exterior and interior power supply support
bracket mounting screws (power supply not shown) -
Remove power supply support bracket
1
3
2