User's Manual

M7X and M7R Page 5-38 Maintenance
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Replacing Faulty Cables
The BIT system monitors the status of interconnecting coaxial cables as listed in Table 5-6. Should a BIT
indication show a cable fault, a replacement cable as listed in the table should be fitted.
Note:
Cables listed in Table 5-6 showing a double asterix (**) are not fitted in the M7R receiver.
Table 5-6 Monitored Coaxial Cables
Displayed Parameter Provides Connection Between Replacement
Cable
Part Number
Module and
Connector (CN)
Module and
Connector (CN)
Receive Cable RF PA, CN6 RF Control, CN6 17T11700022
Linearisation Feedback
cable **
RF PA, CN5 RF Control, CN2 17T11700021
Rx 90 MHz IF cable Processor, CN5 RF Control, CN3 17T11700023
Tx 90 MHz IF cable Processor, CN6 RF Control, CN4 17T11700019
Transmit Drive ** RF PA, CN4 RF Control, CN5 17T11700020
10 MHz Reference Input
Rear panel 10 MHz
Input connector
RF Control, CN1 17T11700027
Guard Receiver cable RF PA, CN7 Guard Receiver, CN6 17T11700026