Slow Commands; Table 3-8. Chpa Commands (Continued); Table 3-9. Slow Commands; Table 3-10. Interface Commands - CPI Satcom Division VZU-6997 Series Installation, Operation And Maintenance Manual

CHPA SERIES

Table 3-8. CHPA Commands (continued)

ASCII Byte Decimal
a 97
Table 3-8 Notes:
1. If the ALC mode is active, it will be terminated.
2. Specify the setting value in the form NNNN (including leading zeros).
3. Linearizer commands are active only if internal linearizer is installed and S1-1 on 01020360 (CCA, Controller Interface) is ON
4. For CHPA Protocol Option (DIP Switch S1- Switch #2 of Interface CCA is ON), Attenuator setting is of the form NN.NO dB.
3.10.1

Slow Commands

A subset of CHPA commands, these commands may require several seconds to complete. These
commands are listed in the CHPA commands table (Table 3-8).

Table 3-9. Slow Commands

ASCII Byte
D
E
F
G

Table 3-10. Interface Commands

ASCII Byte Decimal
R 82
S 83
T 84
U 85
3-16
Command Definition
Reset to Defaults. Reset the unit operating state and fault/alarm trip point
values to firmware defaults except Helix Over Voltage, Helix Under Voltage,
and Helix Average Over Current fault trip limits.
Decimal Commands (for description and note, see Table 3-8)
68 Set RF O/P power in dBm.
69 Set RF O/P power in Watts.
70 Set ALC RF O/P in dBm.
71 Set ALC RF O/P in watts.
Command Definition
Enable RF Limits. RF O/P power commands will be rejected (reject code "b") if
they exceed the Low RF Fault or High RF Fault Trip settings.
Disable RF Limits. Cancels the Enable RF Limits command.
Not used
Not used
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