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SLP: Slope command indicator
nn: Two digit ASCII numeric characters,
Indicating primary converter. “01” through “12”.
S: Slope parameter indicator
s: ‘+’ or ‘-‘ indicating sign.
gg: Two-digit parameter indicating slope in 0.2 dB steps. If the response returns
?SLPnnS???, this indicates that the backup path does not have slope capability.
4.2.20 UNIT STATUS = STA
There is no SET command.
The QUERY command requires no parameters.
Remote Command Sequence: ?STA
Response: ?STALlRrSssPp?abcdefghi
L: Local/Remote mode indicator.
l: "0" or "1" ASCII numeric character
0 = Local control
1 = Remote control
R: Redundancy mode indicator.
r: "0" through "1" ASCII numeric character
0 = Manual
1 = Automatic
S: Chain position in standby mode
ss: Two digit ASCII numeric characters,
Indicating chain position: “00” through “12”.
Position “00” = Backup converter, “01” = Primary converter 1
“12” = Primary converter 12
P: Polarization switch position.
p: "0" through "2" ASCII numeric character
0 = None
1 = Horizontal
2 = Vertical
?: Component Fault Status indicator
a-i: "0" or "1" ASCII numeric character
0 = No fault
1
=
Fault
a-i indicates the status of the component faults described in the ?ALR command.
4.2.21 REDUNDANCY TRANSFER SWITCH POSITION = SWP
The SET command requires one parameter, which is two digits in length representing
the redundancy chain position that will be switched into standby.