Avaya MCC1 Installation And Upgrades page 296

System 75 Small-Cabinet to R8si (Blowback)
Task List: System 75 Small Cabinet to R8si
The
SHUTDOWN Completed
takes about 2 minutes.
CAUTION:
If leaving AUDIX System in the carrier, back it out about 2 in. (5 cm) to eliminate the
possibility of damage due to power surges.
Return to Task List
Power down [75 small upgrade]
Return to Task List
CAUTION:
Powering down the control cabinet causes loss of important system data, such as BCMS
data, records of queued ACD calls, Automatic Wakeup requests, and Do Not Disturb
requests. BCMS data cannot be stored to or retrieved from tape or flash.
1
Set the circuit breaker to OFF.
Return to Task List
Disconnect power and grounding [75 small upgrade]
Return to Task List
Disconnect the power cable from the wall plug.
Verify power failure [75 small upgrade]
Return to Task List
During routine operation, the ground for the emergency transfer stations is derived from the system's
auxiliary cable. Disconnect this ground during the upgrade to disable the stations. A ground strap is run to
the emergency transfer panel. Connect this strap shortly after removing power and disconnect it just
before restoring power to the upgraded system.
Return to Task List
Open/remove doors and panels [75 small upgrade]
Return to Task List
1
Remove the front door from the cabinet, if desired.
2
With the cable retainer in front of you and the part number visible (4B or 4C), locate the slot that
is almost vertical. (This slot is adjacent to the part number.) Insert a flat-blade screwdriver with a
wide blade (1/4-inch is recommended) into the slot, and twist the screwdriver. The cable retainer
will snap open easily so that the cable can be removed.
3
At the cabinet, disconnect the previously labeled cables associated with the carrier to be removed.
296
message displays when the AUDIX is successfully shutdown. This
SI Installation and Upgrades
June 2004