Comtech EF Data SDM-300A User Manual
Page 404
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SDM-300A Satellite Modem
Revision 6
Remote Control Operation
MN/SLM3650.IOM
A–12
External Clock-
Reference
Frequency
Command:
Response:
Status:
Response:
<add/ERF_nnnnn.n'cr'
>add/ERF_nnnnn.n'cr''lf']
<add/ERF_'cr'
>add/ERF_nnnnn.n'cr''lf']
Where: nnnnn.n = 8.0 to 10000.0 (external
clock frequency in kHz).
Transmit Clock
Phase
Command:
Response:
Status:
Response:
<add/TCP_xxxx'cr'
>add/TCP_xxxx'cr''lf']
<add/TCP_'cr'
>add/TCP_xxxx'cr''lf']
Where: xxxx = NRM (normal clock phasing),
INV (inverted clock phasing), AUTO
(automatic clock phasing).
Buffer Clock
Command:
Response:
Status:
Response:
<add/BC_xxx'cr'
>add/BC_xxx'cr''lf']
<add/BC_'cr'
>add/BC_xxx'cr''lf']
Where: xxx = INT (internal SCT clock), EXT
(external TX terrestrial clock), SAT (receive
satellite clock), REF (external clock-reference
frequency), INS (insert clock).
Receive Clock
Phase
Command:
Response:
Status:
Response:
<add/RCP_xxx'cr'
>add/RCP_xxx'cr''lf']
<add/RCP_'cr'
>add/RCP_xxx'cr''lf']
Where: xxx = NRM (normal clock phasing),
INV (inverted clock phasing).
Baseband
Loopback
Command:
Response:
Status:
Response:
<add/BBL_xxx'cr'
>add/BBL_xxx'cr''lf']
<add/BBL_'cr'
>add/BBL_xxx'cr''lf']
Where: xxx = ON or OFF.
Interface
Loopback
Command:
Response:
Status:
Response:
<add/ILB_xxx'cr'
>add/ILB_xxx'cr''lf']
<add/ILB_'cr'
>add/ILB_xxx'cr''lf']
Where: xxx = ON or OFF.
Interface Loop
Timing
Command:
Response:
Status:
Response:
<add/ILT_xxx'cr'
>add/ILT_xxx'cr''lf']
<add/ILT_'cr'
>add/ILT_xxx'cr''lf']
Where: xxx = ON or OFF.