Comtech EF Data CDM-570A Installation And Operation Manual page 275

CDM-570A/570AL Satellite Modem with Optional Packet Processor
Serial-based Remote Product Management
Command
Parameter (Instruction
Type Code and
Qualifier)
CnC CCF= 3 bytes
Frequency
Range/offset
CnC CSD= 6 bytes
Min/Max
Search Delay
G.703 Clock CEX 2 byte
Extension
T1 Line LBO= 1 byte,
Build-Out value of 0 thru 4
Arguments for
Command or
Response to
Query
Command or Query.
Valid only in CDM-570A Compatible Mode (CMO=1).
Sets or returns the maximum value that may be entered, in the form xxx, as the
CnC Sweep frequency range; depends on the Rx symbol rate as follows:
16ksps to 64ksps: ±1 to the symbol rate (ksps)/2
64ksps and above: ±1 to 32 kHz
Example: <0/CCF=030
Command or Query.
Valid only in CDM-570A Compatible Mode (CMO=1).
Sets or returns CnC min/max delay value in milliseconds, in the form xxxyyy,
where:
xxx = minimum delay
yyy = maximum delay
Maximum allowable value is 300ms
Example: <0/CSD=010225
Command or Query.
Sets or returns G.703 Clock Extension in the form ab, where:
a = G.703 Clock Extension Mode (0=None; 1=TxLock; 2=RxEnable)
b = G.703 Clock Extension Interface (0=T1; 1=E1Bal; 2=E1Unbal)
Notes:
1) Not all CEX modes are valid all the time.
2) For argument a:
• When Data Interface (ITF) is set to be G.703, Clock Extension Mode is
automatically set to be 0=None. Response is ITF+
• When Tx Clock (TCK) is changed from Internal to Non-Internal, Clock
Extension Mode will be automatically changed to 0=None if it was
1=TxLock. Response is TCK+
Example: <0/CEX=12 (Sets Tx Lock to E1 Unbalanced)
Command or Query.
Valid only for T1 interface (in all modes other thanT1, this is a don't care),
Sets or returns T1 Line build-out in the form x, where
0 = 0-133 feet
1 = 133-266 feet
2 = 266-399 feet
3 = 399-533 feet
4 = 533-655 feet
Example: <0/LBO=2
Description of Arguments
8–31
MN-CDM570A
Revision 3
Query
Response to
(Instruction Code
Command
and Qualifier)
CCF= CCF? CCF=xxx
CCF? (see Description of
CCF* Arguments)
CCF#
CSD= CSD? CSD=xxxyyy
CSD? (see Description of
CSD* Arguments)
CSD#
CEX= CEX? CEX=ab
CEX? (see Description of
CEX* Arguments)
CEX#
LBO= LBO? LBO=x
LBO? (see Description of
LBO * Arguments)
LBO #
Response to
Query