Figure 4.4-2 Back-Up Psus Installation - LG-Nortel ipecs Installation Manual

IPECS Release 5
Hardware Description & Installation
Issue 5.0
Install upper and lower PSU thumb-screw brackets to the right of slot 9 slides of the cabinet
as shown in Figure 4.4-2 using the screws provided.
Slide the back-up PSU into slot 9 of cabinet.
Fasten the PSU by tightening the upper and lower thumb-screws on the front of PSU into
the installed brackets.
Plug the power cord into AC power input on the front of PSU.
To activate monitoring of the PSU and Main Cabinet fans, connect the supplied serial cable
from the DB9 connector of the PSU to the monitoring gateway Module defined in admin
PGM 197. Refer to Figure 4.4-3. When a back-up PSU is installed, the serial cable is
connected to the back-up PSU only. Note that when employing a WTIM as the notifying
gateway Module, Dip switch 3 of the WTIM, the Serial Mode switch, must be set to OFF,
the Main CPU Serial mode.

Figure 4.4-2 Back-up PSUs Installation

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