2-9
Caller can press # to clear all flashing CALL indicators at all DTMF
sites equipped with the DTMF signaling option (a tone is transmitted).
2.5
TURN-OFF PROCEDURE
The radio is designed for continuous operation. If power must be removed while perform-
ing maintenance on a particular cabinet or shelf, power can be removed by turning off
associated power supplies.
Normally, the turn-off procedures are not used. System design allows
maintenance of the rack without interrupting service. It is recom-
mended that turn-off be performed only in an emergency.
2.6
EMERGENCY OPERATION
If an emergency occurs, such as a short circuit or a fire, turn off all MDR-8000 Microwave
Digital Radio power supplies as quickly as possible.
2.7
MODEM OPERATION
Refer to the attached CD for modem connection and setup procedures.
2.8
CONTROLS, INDICATORS, TEST POINTS, AND CONNECTORS
Do not adjust controls unless instructed to do so in an installa-
tion or maintenance procedure. Unauthorized adjustment of
controls illustrated and described in this section may interrupt
traffic and/or degrade system performance.
Controls, indicators, test points, and connectors used in normal operation or referenced in
procedures are shown in Figure 2-5 through Figure 2-17. The figures are arranged in
alphabetical order according to the type number. Current modules versions are illustrated.
Refer to CD for older versions.
Note
Note
CAUTION
Possibility of
Service
Interruption
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