COMSPHERE 3800 Series Modems ± Model 3830

Table 4-2

(10 of 23)

Model 3830 AT Commands

&Fn Select Factory Default Configuration Options (cont'd)

If ETC is installed and 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 Command

Option

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 ETC is installed, and 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:

AT Command

Option

Value

 

Transmit Level

&I100

Error Control Mode

\N4

No Answer Timeout

S7=120

No Carrier Disconnec

S10=100

V.32bis Train

S43=1

V.42 ARQ Window Size

S89=9

Cellular Enhancements

S91=1

&Gn V.22bis Guard Tone

Determines whether the V.22bis guard tone is disabled, set to 550 Hz, or set to 1800 Hz.

&G0 Disable.

&G1 550 Hz.

&G2 1800 Hz.

4-16

August 1998

3830-A2-GB91-30

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Image 52
Paradyne 3830 manual Option Value, Gn  V.22bis Guard Tone, G0 Disable