ComStream CM601, Installation And Operation Manual

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Installation 4-9
7. Verify front panel button operation. To do this, select the following options in
the order in which they are listed, using the buttons on the front panel:
8. Verify remote operation from the remote terminal keyboard. To do this, at the
system prompt, type
EM ?
and press E
NTER
.
A response of EM 1 or EM 0 should appear on the display followed by the
system prompt >.
9. If the optional BERT option is installed, perform a BERT loopback test to
verify basic modem operation. For additional information on the BERT IF
Loopback test, refer to the chapter on troubleshooting and the BERT
appendix.
To perform the loopback test, the IF loopback cable provided must be attached
between the TxIF connector and the RxIF connector on the modem card.
Additional Testing
Additional testing may be performed if test equipment is available and extensive
specification compliance is necessary. Specification compliance tests for RF
power, dynamic range, acquisition range, acquisition time, symbol rate range,
aggregate power, and many other parameters can be performed.
For information on tests specific to option cards installed in a CM601, refer to the
specific user guide that accompanies each option card.
Completion of the Bench-Top Test
The CM601 system is now tested and verified. This concludes the bench-top
functional verification test sequence for the CM601. If no further testing is
required, power off the unit and proceed to the next section.
Table 4-3
Front Panel Button Operation Verification
Button or Option LCD Message Display Remarks
Any LCD button Config Monitor Faults These buttons are located directly below the
LCD and have t-shaped icons above them
Config 4:Systm 4:M&C More —
More 5:Modem More —
5:Modem TxDataRate TxDataRate is the first of the list of modulator
commands that appears
Previous button 5:Modem More —
Previous button Config Monitor Faults —