Paradyne 3825PLUS User Manual
Page 35
AT Commands and S-Registers
4-9
3825-A2-GB30-40
January 1999
Table 4-1
(7 of 14)
3825
Plus AT Commands
&F
n
Select Factory Default Configuration Options
Loads factory configuration options into the Active (Operating) area. The &F5 and &F6 commands are valid only if ETC is
installed.
&F0
Async Dial
&F3 UNIX
Dial
&F5
Cellular (Mobile)
&F6
Cellular (PSTN)
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
&
I
99
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
&G
n
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
NOTE:
The default and permitted settings of this option are country-dependent. See