Recommendations For Leased Line Mode - Panasonic FP Series Technical Manual

FP Modem-EU Technical Manual
Master or Slave
Fixed baud rate
Selectable baud rate
Selectable baud rate:
If you use a baud rate other than 19200 8o1, carry out the following procedure.
1. Set all DIP switches to OFF (to enter the dial-up, command mode)
2. Use a terminal (program) which is set to the desired RS232C baud rate and
format
3. Power up the modem and enter AT (or AT&F to recall the factory settings)
The modem should respond with OK.
If you optionally want to disable the automatic baud rate detection (command
mode), you should use the "AT*W=baud,data,parity,stop" command (*W0) (see
"Command Tables" on page 68).
4. Enter AT&W to save the settings
5. Activate the leased line mode with DIP switches 1 and 3 as described above,
but leave DIP switch 4 OFF

4.1.3 Recommendations for Leased Line Mode

By setting up the RS232C baud rate to at least 19200 bps (see "Enable Leased Line Mode with
DIP Switches" on page 58), the modems always use the maximum possible line transmission
speed.
The maximum possible line speed is acquired during the handshaking procedure after
power-up and before the connection; the modem never selects a line speed above the RS232C
baud rate. The modem with the lowest RS232C baud rate limits the maximum line speed.
If a lower baud rate should be used, e.g. to overcome problems with disturbed communication
lines, reduce the RS232C baud rate of both modems (see "Enable Leased Line Mode with DIP
Switches" on page 58).
Alternatively the used modulation type of the modems can be adjusted with the ATFx command
(see "Command Tables" on page 68). However, we do not recommend switching off the
automatic data error correction (AT\Nx command).
DIP-SW4 Remark
ON 19200 bps 8o1
(8 data, odd parity, 1 stop bit)
OFF The last baud rate used in command mode is
selected.
4.1 Leased Line Mode
59