Nortel Meridian 1 Replacement Manual page 149

8 Remove the field wiring terminal block:
a Remove the cover over the field wiring terminal block.
b Locate the frame ground wire that runs from the field wiring
terminal block to the frame ground bolt inside the pedestal.
Disconnect this wire at the terminal block.
c Carefully tag and then disconnect all input wiring to the field wiring
terminal block. Take special note of any jumper wires that might be
installed. It is not necessary to disconnect wiring that runs from the
terminal block to the PDU.
9 Remove the four screws that secure the terminal block in place and lift it
out of the pedestal.
Installing equipment
1 Install the replacement field wiring terminal block:
a Position the replacement PDU next to the rear of the pedestal.
b Position the replacement field wiring terminal block and replace its
mounting screws.
c Reconnect all wiring to the field wiring terminal block, including
any jumpers that might have been present on the terminal block that
was removed.
d Reconnect the frame ground wire from the frame ground bolt inside
the pedestal to the field wiring terminal block.
e Replace the cover over the field wiring terminal block.
2 Gently push the PDU into the pedestal. Replace the screws on the PDU.
Note: Be sure you push the unit straight back so the connector on the
rear will seat properly with the connector for the blower unit.
3 Reconnect cables from module 0 to the PDU:
a Attach power plug J1 and the system monitor cable.
b Replace the I/O safety panel on the module.
c Replace the rear cover on the module.
Replacing equipment
Hardware replacement
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