B.4.1 external fault mode, B.5 keypad/display related commands – Comtech EF Data KST-2000A/B User Manual
Page 126
Ku-Band Satellite Transceiver
Revision 9
Terminal Mode Commands
MN/KST2000AB.IOM
B–16
BackUp
Manual
Operation
Command
Response
Where:
xxxx = UL, which forces the unit to make the UL
ONLINE and DL OFFLINE.
DL, which forces the unit to make DL ONLINE and
UL OFFLINE
DLUL, which forces the unit to make the DL and the
UL ONLINE.
Note: This command only has meaning if the BM_ command
set to MANUAL.
Backup Status
Status
Response
UL_xxxxxxx’cr’
DL_xxxxxxx’cr’’lf’]
Where:
xxxxxxx = OFFLINE, which indicates the specific
link is not under the influence of the machine that
reported this status.
xxxxxxx = ONLINE, indicates the link is under the
control of the machine that reported this status.
Note: This command only has meaning if the BACK_ command
is set to YES.
B.4.1 External Fault Mode
External Fault
Mode
Command
Response
Status
Response
Where:
xxx = ON, which notifies the M&C control system
that when the following conditions have been met to
take special action:
1.
If (the >25 Watt SSPA is connected to the
M&C system) and
2.
If (that >25 Watt SSPA signals an active
summary fault) and
3.
If (that fault is the only UL fault is the entire
system) then
4.
Perform normal redundant switching, however,
Do Not Turn OFF the RF signal in the
transceiver that senses the SSPA summary
fault.
OFF, which notifies the M&C control system that
when any fault is incurred in the uplink from any
source, that the system will perform normal
redundant switching and it will turn OFF the RF
signal in the transceiver that senses those faults.
Note: This command must be issued to both redundancy units
in order for this mode of operation to perform properly.
B.5
Keypad/Display Related Commands
Display Time
Command
Response
Status
Response
Where:
xxx = is the time in seconds the display will stay on
before blanking. The range of xxx is 10 to 999 seconds.