Comtech EF Data CDM-760, Installation And Operation Manual

Page: 285 / 441

Serial Interface Operation Revision 3
CDM-760 Advanced High-Speed Trunking Modem MN-CDM760
8–42
Parameter Type
Controller-to-Target
Instruction Code and
Qualifier
Arguments for
Command or
Query
Description of Arguments
(Note that all arguments are ASCII numeric codes from 48 to 57)
Target-to-Controller
(see Description of Arguments)
Command Query
Response to
Command
Response to
Query
Faults and
Status (cont.)
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