Comtech EF Data CDM-625A User Manual

Page 328

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CDM-625A Advanced Satellite Modem

MN-CDM625A

Serial-based Remote Product Management

Revision 3

8–16

Parameter

Type

Command

(Instruction

& Qualifier)

Number of

Arguments

Description of Arguments

Response to

Command

Query

(Instruction &

Qualifier)

Response to Query

…AUPC

Parameters

(cont.)

In IP-ACM mode or VersaFEC-2 ACM mode:

a=Action on max. power condition:

(0=do nothing, 1=generate Tx alarm when max power is reached, 2=generate Tx alarm when minimum ModCod

is reached)

b=Action on remote demod unlock:

(0=go to nominal power, 1=go to max power, 2=hold)

c.c=Max increase in Tx Power permitted, from 0.0 thru 9.9 dB OR when CnC mode is on, from 0.0 thru 6.0 dB

d=Mode (0=Normal, 1=+/- Track), read-only

Remote Eb/No N/A

4 bytes

Query only.

Returns the value of Eb/No of the remote demod in the form xx.x, where:

xx.x=02.0 or 16.0

Responds 99.9=remote demod unlocked.

Responds xx.x if EDMAC is disabled.

Example: <0/REB? >0/REB=12.4

Note: For values > 16.0 dB, the reply will be 16.0

N/A

REB?

REB=xx.x

(see Description of

Arguments)

Tx Power Level

Increase

N/A

3 bytes

Query only.

Returns the increase in Tx power level, in dB (from the nominal setting) due to the action of AUPC.

Responds x.x if AUPC is disabled.

Example: <0/PLI? >0/PLI=2.3

N/A

PLI?

PLI=x.x

(see Description of

Arguments)

Tx Clock

Source

TCK=

1 byte, 0 thru 3

Command or Query.

Sets or returns Tx Clock Source in the form x, where:

0=Internal

1=Tx Terrestrial

2=Rx Loop-Timed

3=Ext TT (ST=RxSat)

Example: <0/TCK=0 (selects Internal)

TCK=

TCK?

TCK*

TCK#

TCK?

TCK=x

(see Description of

Arguments)

Tx Clock Invert TCI=

1 byte, 0 or 1

Command or Query.

Sets or returns Invert Transmit Data Clock in the form x, where:

0=Normal

1=Inverted

TCI=

TCI?

TCI*

TCI#

TCI?

TCI=x

(see Description of

Arguments)

Tx Audio

Volume Control

TVL=

4 bytes

Command or Query. (Audio/IDR parameter)

Sets or returns Tx Audio Volume control in the form aabb, where:

aa=Tx 1 volume control in dB, valid values are -6, -4, -2, +0, +2, +4, +6, +8;

bb=Tx 2 volume control in dB, valid values are -6, -4, -2, +0, +2, +4, +6, +8;

Example: <0/TVL=-2+4 (sets Tx 1 to 2 dB and Tx 2 to +4 dB)

TVL=

TVL?

TVL*

TVL#

TVL?

TVL=aabb

(see Description of

Arguments)

Transmit

Terrestrial

Alarm Mask

TTA=

1 byte, 0 or 1

Command or Query. (DROP parameter)

Sets or returns Tx Terrestrial Alarm Mask conditions in the form x, where:

0=Alarm is active (unmasked).

1=Alarm is masked.

Example: <0/TTA=1 (masks an alarm).

TTA=

TTA?

TTA*

TTA#

TTA?

TTA=x

(see Description of

Arguments)

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