COMSPHERE 3800 Series Modems

 

 

 

 

 

Table 14-1

 

 

 

 

 

 

(6 of 12)

 

 

 

 

 

3800 Series AT Commands

 

 

 

 

 

 

 

 

 

 

AT

 

 

 

Description

Front Panel

Command

 

 

 

Branch

 

 

 

 

 

 

 

 

 

 

 

&Fn (cont'd)

 

If your modem is attached to a cellular telephone, use the &F5 command to

 

 

 

configure the modem for cellular communications. &F5 sets the following

 

 

 

configuration options:

 

 

 

 

 

 

 

 

 

AT

 

 

 

 

 

 

Option

Command Value

 

 

 

Maximum Frame Size

\A4

 

 

 

 

 

 

Error Control Mode

\N4

 

 

 

 

 

 

Auto-Answer Rings

S0 = 3

 

 

 

No Answer Timeout

S7 = 120

 

 

 

No Carrier Disconnect

S10

= 100

 

 

 

 

 

V.32bis Train

S43

= 1

 

 

 

 

 

V.32bis Autorate

S76

= 3

 

 

 

 

 

V.42 ARQ Window Size

S89

= 9

 

 

 

 

 

Cellular Enhancements

S91

= 1

 

 

 

 

 

If your modem is attached to a normal dial telephone line but sometimes

 

 

 

communicates with a modem that is attached to a cellular phone, use the

 

 

 

&F6 command. &F6 (Cellular(PSTN)) sets the following configuration options:

 

 

 

Option

AT

 

 

 

 

 

 

Command Value

 

 

 

Transmit Level

&I99

 

 

 

 

Error Control Mode

\N4

 

 

 

 

 

 

No Answer Timeout

S7 = 120

 

 

 

No Carrier Disconnect

S10

= 100

 

 

 

 

 

V.32bis Train

S43

= 1

 

 

 

 

 

V.42 ARQ Window Size

S89

= 9

 

 

 

 

 

Cellular Enhancements

S91

= 1

 

 

 

 

 

The &F0, &F3, &F5, and &F6 commands leave the modem in AT Command

 

 

 

mode. The other commands place the modem into Dumb mode. The only way

 

 

 

to return to AT command control is via the front panel.

 

 

 

 

 

 

 

 

 

&Gn

 

V.22bis Guard Tone

 

 

 

 

Configure\Edit\Dial Line

 

 

&G0

Disable.

 

 

 

 

 

 

 

&G1

550 Hz.

 

 

 

 

 

 

 

&G2

1800 Hz.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14-8

November 1996

3810-A2-GB30-20

Page 142
Image 142
Paradyne 3810 manual Option Command Value, 22bis Guard Tone