COMSPHERE 3900 Series Modems

Table 5-3

(6 of 8)

391x Series AT Commands

AT

 

Description

DCP LCD

 

Command

Command

 

 

 

Sequence

 

 

 

 

 

 

&Vn

View Configuration Options. Displays each configuration group within the

None

 

Active (Operating), Active (Saved), Customer 1, and Customer 2

 

 

configuration areas as well as the telephone numbers stores in directory

 

 

locations 1±24.

 

 

&V0

Active (Operating) configuration options.

 

 

&V1

Active (Saved) configuration options.

 

 

&V2

Customer 1 configuration options.

 

 

&V3

Customer 2 configuration options.

 

 

&V4

Directory locations 1±24.

 

 

 

 

&Wn

Write (Save to Memory). Saves the current configuration options in

Configure\Save

 

Active (Operating) to one of three configuration areas:

 

 

&W0

Saved to Active(Save).

 

 

&W1

Saved to Customer 1.

 

 

&W2

Saved to Customer 2.

 

 

 

 

&Xn

Transmit Clock Source.

Configure\Edit\

 

&X0

Internal. Modem provides transmit clock source for

DTE Interface

 

 

 

 

synchronous data (Pin 15).

 

 

&X1

External. Modem derives external transmit clock source

 

 

 

provided on Pin 24 for synchronous data.

 

 

&X2

Receive Clock Loop. Modem derives transmit clock source

 

 

 

from receive signal for synchronous data (Pin 17).

 

 

 

 

&Zn=x

Store Telephone Numbers. Modem saves the telephone numbers and

Call Setup\

 

dial command modifiers (if any) entered for x (up to 40 characters in

Change

 

length) in Directory Location n (1±24). For example, the command

Directory

 

AT&Z1 = 5551234 stores the telephone number 555-1234 into directory

 

 

location 1.

 

 

To clear a telephone number from a memory location, issue the &Zn=x

 

 

command without entering a telephone number.

 

 

 

 

\An

Maximum Frame Size.

Configure\Edit\

 

\A0

64 bytes.

V42/MNP/Buffer

 

 

 

\A1

128 bytes.

 

 

\A2

192 bytes.

 

 

\A3

256 bytes.

 

 

\A4

32 bytes.

 

 

\A5

16 bytes.

 

 

 

 

\Cn

Error Control Negotiate Buffer.

Configure\Edit\

 

\C0

Disable.

V42/MNP/Buffer

 

 

 

\C1

Enable.

 

 

\C2

Disables and switches modem to Buffer mode.

 

 

 

 

 

5-12

November 1996

3910-A2-GN32-30

Page 166
Image 166
Paradyne 3910 operation manual A3, C0