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.

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