AT Command Set and S-Registers

 

 

Table 14-1

 

 

 

(5 of 12)

 

 

 

3800 Series AT Commands

 

 

 

 

 

AT

 

Description

Front Panel

Command

 

Branch

 

 

 

 

 

Zn

Reset and Load Active

Control\Reset

 

Z0

Loads configuration options from Active (Saved) to Active (Operating).

 

 

Z1

Loads configuration options from Customer 1 to Active (Operating).

 

 

Z2

Loads configuration from Customer 2 to Active (Operating).

 

 

Z3

Loads configuration options from Active (Saved) to Active (Operating)

 

 

 

and performs a “soft” reset (if the modem is connected, it is

 

 

 

disconnected).

 

 

Z9

Performs a full modem reset, as if the power were turned off and on.

 

 

 

 

&Cn

LSD Control

Configure\Edit\DTE

 

&C0

Forced On. LSD on at all times.

Interface

 

&C1

Standard RS232. LSD is on when the remote modem’s carrier signal is

 

 

 

detected. LSD is off when carrier signal is not detected.

 

 

&C2

Wink When Disconnect. LSD normally forced ON, turns Off for

 

 

 

approximately one second upon disconnecting.

 

 

&C3

Follows DTR. State of LSD follows state of DTR.

 

 

&C4

Simulated Control Carrier. State of LSD follows state of remote modem’s

 

 

 

RTS.

 

 

&C5

=DTR/Disconnect Off. State of LSD follows state of DTR except upon a

 

 

 

disconnect where DTR remains ON and LSD turns Off. DTR must then

 

 

 

toggle Off and ON to turn LSD ON. Use this setting for AT&T DATAKIT

 

 

 

applications. Note that to use this option, the DTR Action configuration

 

 

 

option must be set to Stndrd_RS232 (&D1 or &D2).

 

 

&C6

Bridge Retrain. LSD behaves as if it were set for Stndrd_RS232, except

 

 

 

that it is turned off when a retrain condition lasts longer than 10 seconds,

 

 

 

and turned on again when no retrain condition is detected for a period of

 

 

 

10 seconds.

 

 

 

 

&Dn

DTR Action

Configure\Edit\DTE

 

&D0

Ignore. Modem ignores the true status of DTR and treats it as always

Interface

 

 

ON.

 

 

&D1

Off=Command Mode. Modem enters online Command Mode if

 

 

 

connected when DTR switches Off.

 

 

&D2

Standard RS232. DTR Signal is controlled by the DTE.

 

 

&D3

Off=Reload Strap. Follows Standard RS232 operation, except that when

 

 

 

DTR switches Off, the modem loads the Active (Saved) area into the

 

 

 

Active (Operating) area.

 

 

&D4

Controls On-Hook. Follows Standard RS232 operation, except that

 

 

 

modem does not disconnect until DTR is lowered by the DTE.

 

 

&D5

Controls TX Mute. Follows Standard RS232 operation, except that when

 

 

 

DTR is lowered at the answering modem, the modem mutes transmitter

 

 

 

output.

 

 

 

 

 

3810-A2-GB30-30

September 1998

14-7

Page 148
Image 148
Paradyne 3800 manual Reset and Load Active, LSD Control, DTR Action

3800 specifications

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