Ericsson 1/KRB 101 1108, Инструкции по установке, эксплуатации и обслуживанию

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© 2001 – Ericsson Amplifier Technologies Inc.
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CAUTION
Maintain proper RF input level within the 869-894 MHz
operating band. Improper RF input may cause severe
MCPA damage.
g. Increase input level to between -19 and -15 dBm, and observe that only the
following indicators are illuminated on the MCPA front panel.
DC ON
ENABLE
3.4 Normal Operation
The MCPA requires minimum attention during normal operation. Monitoring of the
status output provides an overall indication of MCPA health.
3.5 Shut Down Procedure
a. Reduce RF input signal level to minimum (-60 dBm).
b. Press the PWR ON/OFF switch once to disable the bias voltage and to d27
VDC to the internal amplifier module. The DC ON indicator will be extinguished.
WARNING
THE DC ON/OFF SWITCH DOES NOT CONTROL THE
MAIN +27 VDC FEED TO THE MCPA. IF MAINTENANCE
OR SERVICE IS TO BE PERFORMED ON THE MCPA,
DEACTIVATE PRIME DC POWER AT ITS SOURCE.