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A.1.16.3 ecl/hssi_ rx interface commands – Comtech EF Data SDM-2020 User Manual

Page 229

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SDM-2020 Satellite Demodulator

Revision 4

Remote Control Commands

MN/SDM2020D.IOM

A–29

A.1.16.3

ECL/HSSI_ RX Interface Commands

ECL DTE
Status

Status:
Response:

>add/EDTE_xxx'cr''lf']


Where: xxx = UNA (unavailable) or AVA (available).

This command polls the ECL interface for the status of the DTE
equipment.

Where ‘pn’ is the last parameter returned.

Parameter

Number

Parameter Name

(Command Reference

Description

23 to 32

Reserved

A.1.16.4

G.703 Interface Commands

External
Clock
Reference
Frequency

Command:
Response:

Status:
Response:

>add/ERF_nnnnn.n’cr’’If]

>add/ERF_nnnnn.n'cr''lf']

Where:

nnnnn.n = 1544.0 to 20000.0 kHz (external clock frequency in
8.0 kHz steps) or at RX Data Rate

Buffer Clock

Command:
Response:

Status:
Response:

>add/BC_xxx’cr’’If’]

>add/BC_xxx’cr’’If]

Where: xxx = INT (Internal SCT Clock), EXT (External TX
Terrestrial Clock), SAT (RX Satellite Clock), REF (External
Clock-Reference Frequency).

Interface
Loopback

Command:
Response:

Status:
Response:

>add/ILB_xxx’cr’’If’]

>add/ILB_’cr’’If’]

Where: xxx = On or Off.


Interface
Buffer Size

Command:
Response:

Status:
Response:

>add/IBS_nn’cr’’If’]

>add/IBS_nn’cr’’If’]

Where: nn = 0 to 32 milliseconds (Buffer size in 2 ms steps)


Interface
Buffer
Center

Command:
Response:

>add/IBC_’cr’’If’]

Where: nn = 0 to 32 milliseconds (Buffer size in 2 ms steps)


Interface
Coding
Format
Receive

Command:
Response:

Status:
Response:

>add/ICFRR_xxxx’cr’’If’]

>add/ICFR_xxxx’cr’’If’]

Where: xxxx = AMI, HDB#, B8ZS, or B3ZS.