Comtech EF Data CDM-760 Installation And Operation Manual page 285

Serial Interface Operation
CDM-760 Advanced High-Speed Trunking Modem
Controller-to-Target
Instruction Code and
Qualifier
Parameter Type
Command Query
Faults and
Status (cont.)
Arguments for
Description of Arguments
Command or
(Note that all arguments are ASCII numeric codes from 48 to 57)
Query
00002000=PIIC1 External Clock Activity
00001000=PIIC1 External Clock In Range
00000800=PIIC2 External Clock Activity
00000400=PIIC2 External Clock In Range
00000200=Log File Fault
NOTE: External clocks are not valid with OC3 or ASI interface
bbbbbbbb=Tx status:
00000000=No Faults
80000000=Input Data
40000000=Tx PLL
20000000=PIIC1 Symbol Clock PLL
10000000=PIIC2 Symbol Clock PLL
08000000=PIIC1 Input Signal Loss
04000000=PIIC2 Input Signal Loss
02000000=Ethernet Buffer Clear
cccccccc=Rx status:
00000000=No Fault
80000000=Demodulator unlocked
40000000=AGC Signal Level
20000000=CnC Lock
10000000=Output Data
08000000=Es/No
04000000=PLL
02000000=PIIC1 Buffer Overflow
01000000=PIIC1 Buffer Underflow
00800000=PIIC1 Buffer PLL
00400000=PIIC2 Buffer Overflow
00200000=PIIC2 Buffer Underflow
00100000=PIIC2 Buffer PLL
00080000=DeComp Inv
00040000=LNB Current
00020000=LNB Voltage
00008000=DPD Lock
d=Change in modem fault status since last poll
0=unchanged
1=changed
e=Change in modem configuration since last poll
0=unchanged
1=changed
xx=spares
8–42
Revision 3
MN-CDM760
Target-to-Controller
(see Description of Arguments)
Response to Response to
Command Query