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Comtech EF Data DMD2401/DMD2401L User Manual

Page 128

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DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem

User Interfaces

TM065 - Rev. 3.3

4-89

Opcode: <2A1Ah>

Command a Demodulator’s BER Exponent

<1>

BER Measure
Period

Number of Bits in Measurement Period in Powers of Ten
(ex: 6 = 10

6

Bits)


Opcode: <2A1Ch>

Command a Demodulator’s Terrestrial Loopback

<1>

Rx Terrestrial
Loopback

0 = Disabled, 1 = Enabled


Opcode: <2A1Dh>

Command a Demodulator’s Baseband Loopback

<1>

Rx Baseband
Loopback

0 = Disabled, 1 = Enabled


Opcode: <2A1Eh>

Command a Demodulator’s IF Loopback

<1>

Rx IF Loopback

0 = Disabled, 1 = Enabled


Opcode: <2A2E>

Command a Demodulator’s Async Terrestrial Interface Type

<1>



<1>



<1>



<1>

Demod Async
Terr Interface
Type

Demod Async
Terr Interface
Type

Demod Async
Terr
Interface Type

Demod Async
Terr Interface
Type

Async Framing (0 = No Framing, Async Off, 1 = IBS Framing,
Async On, 2 = IBS Framing, Async Off)


Async Baud Rate (0 = 1200, 1 = 2400, 2 = 4800, 3 = 9600, 4 =
19200, 5 = 50, 6 = 110, 7 = 300, 8 = 600)


Async Port Type (0 = V.35, 1 = RS-422)



Async Terr Intf Type (0 = RS-422, 1 = V.35, 2 = RS-232)


Opcode: <2A20h>

Command Center Buffer (No Parameters)


Opcode: <2A31h>

Command a Demodulator’s Buffer Size

<4>

Buffer Size

Byte 1 - 2 = buffer size in ms OR Byte 3 - 4 = buffer size in
bytes (Either ms or bytes must be specified - the other field
should be 0XfFFF)

4.4.13.3 Module Queries & Commands


Opcode: <2403h>

Query a Module’s Identification

Query response

<1>

Modem ID

DMD2401 Modem = 27


Opcode: <240Eh>

Query Time

Query response

<1>

<1>

<1>

Hour

Minute

Second

0 – 23

0 – 59

0 – 59

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