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Command
Length of
Parameter
(Instruction
Arguments
& Qualifier)
Unit Test
TST=
1 byte,
Mode
0 thru 6
Unit Alarm
MSK=
13 bytes
Mask
Attach
ABA=
1 byte,
summary BUC
0 or 1
fault to Tx FLT
status
Attach
ALA=
1 byte,
summary LNB
0 or 1
fault to Rx FLT
status
Number of
N/A
3 bytes
Unread stored
Events
Serial Remote Control
Description of Arguments
Command or Query.
Unit Test Mode, where:
0=Normal Mode (no test)
1=Tx CW
2=Tx Alternating 1,0 Pattern
3=IF Loopback
4=RF Loopback
5=Digital Loopback
6=I/O Loopback
EXAMPLE: <0/TST=3 (IF Loopback)
Command or Query.
Sets or returns Alarm Mask conditions in form abcdefghjklxx, where:
a=Tx AIS
b=Rx AIS
c=bufferslip Alarm
d=spare
e=Rx AGC Alarm
f=Eb/No Alarm
g=BUC Alarm
h=LNB Alarm
j=G.703 Loss of Signal alarm
k=Reference alarm
l=Tx Clock Alarm
m=CnC Lock Alarm
x (spare)
Value of each mask:
0=unmasked
1=masked
EXAMPLE: <0/MSK=0101100000000
Command or Query.
Sets or returns BUC fault reporting in the form x, where:
0=Tx FLT status unaffected by BUC fault
1=Attach a summary BUC fault to Tx FLT status
Command or Query.
Sets or returns LNB fault reporting in the form x, where:
0=Rx FLT status unaffected by LNB fault
1=Attach a summary LNB fault to Rx FLT status
Query only.
Returns the number of stored events that remain unread over remote control, in the form xxx, where xxx=000-
255.
EXAMPLE: <0/NUE? >0/NUE=126
8–27
CDM-425 Advanced Satellite Modem
Revision 0
Query
Response to
(Instruction
Response to Query
Command
& Qualifier)
TST=
TST?
TST=x
TST?
(see Description of
TST*
Arguments)
TST#
MSK=
MSK?
MSK=abcdefghjklmx
MSK?
(see Description of
MSK*
Arguments)
MSK#
ABA=
ABA?
ABA=x
ABA?
(see Description of
ABA*
Arguments)
ABA#
ALA=
ALA?
ALA=x
ALA?
(see Description of
ALA*
Arguments)
ALA#
N/A
NUE?
NUE=xxx
(see Description of
Arguments)
MN-CDM-425
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