Paradyne COMSPHERE 3825Plus User Manual page 32

&F n Select Factory Default Configuration Options
Loads factory configuration options into the Active (Operating) area. The &F5 and &F6 options invoke the Enhanced
Throughput Cellular (ETC) feature.
&F0 Async Dial
&F3 UNIX Dial
&F5 Cellular (Mobile)
&F6 Cellular (PSTN)
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:
Option
Maximum Frame Size
Error Control Mode
Auto-Answer Rings
No Answer Timeout
No Carrier Disconnect
V.32bis Train
V.32bis Autorate
V.42 ARQ Window Size
Cellular Enhancements
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
Transmit Level
Error Control Mode
No Answer Timeout
No Carrier Disconnect
V.32bis Train
V.42 ARQ Window Size
Cellular Enhancements
&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 (Default for Denmark, Finland, Germany, Netherlands, North America, Norway, Singapore, Sweden,
and Turkey.)
&G1 550 Hz
&G2 1800 Hz (Default for Belgium, France, Japan, Switzerland, and UK. See Appendix F.)
3825-A2-GB30-20
3825 Plus AT Commands
AT
Command
Value
\A4
\N4
S0=3
S7=120
S10=100
S43=1
S76=3
S89=9
S91=1
AT
Command
Value
&I99
\N4
S7=120
S10=100
S43=1
S89=9
S91=1
November 1996
Table 4-1
(7 of 14)
AT Commands and S-Registers
4-9