Nt8D46Am, Nt8D46Dc Air Probe Harness - Nortel Meridian 1 Hardware Replacement Manual

Page 182 of 250

NT8D46AM, NT8D46DC Air Probe Harness

553-3001-520 Standard 17.00 January 2002
Replacing equipment
a. Connect the ribbon cable connector to connector J2 on the
backplane. Line up the alignment tab on the connector and snap
on the pin headers to position the connector correctly (see
Figure 22 on page 182).
Figure 22
Aligning the thermostat harness connector
Side view of connectors
b. Connect the orange connector to the module power harness.
c. Replace the rear cover on the module.
5 Reconnect the system monitor to the circuit breaker system:
a. Push the system monitor into position and tighten the screws.
b. Replace the grill on the pedestal.
6 Tag defective equipment with a description of the problem and
package it for return to a repair center.
Use this procedure to replace the air probe harness located in the top cap of
each column.
DANGER
Module covers are not hinged; do not let go of the
cover. Lift the cover away from the module and set it
out of your work area.
Removing equipment
1 Disconnect the air probe harness plug:
a. Remove the rear cover on the module below the top cap.
Alignment tab
on backplane
connector
Key on cable
connector
553-5885