APPENDIX A. AT COMMANDS

 

002 =

Received level of -2dBm

 

 

 

.

.

 

 

 

.

.

 

 

 

43

Received level of -43dBm

 

 

AT%On *

Selects answer/originate mode

Default :

1

 

%O0

Selects answer mode

 

 

 

%O1

Selects originate mdoe

 

 

AT%Rn *

Selects receive sensitivity (336RL ,336RL4 models)

Default :

0

 

%R0

-43dBm

 

 

 

%R1

-33dBm

 

 

 

(For 336RD cards, use on board jumper JP2 to select receive sensitivity

 

 

JP2 1-2 shorted : -33dBm

 

 

 

 

2-3 shorted : -43dBm )

 

 

AT%Q

Report line signal quality

 

 

 

Returns the high-order byte of the calculated Eye Quality

 

Monitor(EQM) value. The high-order byte can range from 0 to 127.

 

However, when the value is 70DC ±10 (depending on the line speed) or

 

greater, the modem will automatically retrain if enabled by the AT%E1

 

command. The value for a normal connection ranges from about 0 to 15

 

and approaches 60 for a progressively poorer connection.

 

 

AT#CIDn

Caller ID

 

Default :

0

 

AT#CID=0

Disables Caller ID

 

 

 

AT#CID=1

Enables Caller ID with formatted presentation to the DTE

 

AT#CID=2

Enables Caller ID with unformatted presentation to the

 

 

DTE

 

 

 

AT#CID?

Retrieves the current Caller ID mode from the modem

 

AT#CID=?

Returns the mode capabilities of the modem in a list

 

 

with each element separated by commas

 

 

AT-SDR=n

Enable/Disable Distinctive Ring

Default :

0

 

AT-SDR=0

Disable Distinctive Ring. Any valid ring detected is

 

 

reported as RING

 

 

 

AT-SDR=1

Enable Distinctive Ring Type 1.

 

 

 

AT-SDR=2

Enable Distinctive Ring Type 2.

 

 

 

AT-SDR=3

Enable Distinctive Ring Type 1 and 2.

 

 

 

AT-SDR=4

Enable Distinctive Ring Type 3.

 

 

 

AT-SDR=5

Enable Distinctive Ring Type 1 and 3.

 

 

 

AT-SDR=6

Enable Distinctive Ring Type 2 and 3.

 

 

 

AT-SDR=7

Enable Distinctive Ring Type 1,2,3.

 

 

ACTIVE Professional External Modem User’s Manual

21