Comtech EF Data XPA-200-OD User Manual
Page 21
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XPA-200-OD
Revision 1
Customer Commands
MN/XPA200OD.IOM
18
Command
(Instruction
Code and
qualifier)
Arguments for
Command or
Response to
Query
Description of arguments
(note that all arguments are ASCII numeric
codes, that is, ASCII codes between 48 and 57)
Response to
Command
(target to controller)
Query
(Instruction
Code and
qualifier)
Response to
query
(target to
controller)
Auto Fault
Recovery
AFR= 1
byte,
value of 0, 1
Command or Query.
The SSPA output will automatically be muted in
the event of detected fault. If auto fault recovery is
enabled, it will cause the output to go active
(unmute) if all faults are cleared. If disabled, the
output will remain muted even if all faults are
cleared.
AFR = (message ok)
AFR? (received ok, but
invalid arguments
found)
AFR* (message ok, but
not permitted in current
mode)
AFR? AFR=x
(same format as
command
arguments)
Retrieve next 5
unread Stored
Alarms
N/A 145
bytes
Query
only
The unit returns the oldest 5 Stored Events which
have not yet been read over the remote control.
Reply format: Sub-body{CR}Sub-body{CR}Sub-
body{CR}Sub-body{CR}Sub-body, where Sub-
body=
YYYYYYYYYY ZZ mmddyy hhmmss,
YYYYYYYYYY being the fault description.
ZZ being the alarm type.
FT = Fault
OK = Clear
IF = Information
If there are no new events, the unit will reply with
LNA*
N/A LNA?
LNA=YY..ss
(see description
for details of
arguments)
Retrieve Number
of unread
Stored Alarms
N/A
2 bytes, numeric
Query only.
Returns the number of Stored Events which
remain unread, in the form xx. Example reply:
TNA=18
N/A TNA?
TNA=xx
(see description
for details of
arguments)
Summary Fault
Status
N/A 1
byte,
value of 0,1
Query only.
Used to Query the status of the Summary Fault
Relay.
Example: SFS=0
where: 0 = OK 1 = FT
N/A SFS?
SFS=x
(see description
for details of
arguments)
Terminal Status
change
N/A
1 byte,
value of 0,1
Query only.
Used to Query the status of the Terminal Status.
Example: TSC=0
Where: 0 = no change in status, 1 = change in
status
N/A TSC?
TSC=x
(see description
for details of
arguments)