1.4
1.4.1
1.4.2
1.4.3
1.4.4
6
Technical specifications
LED indicator functions
Total 7 LEDs:
LIN
Modem connected to line (off hook),
connected to line relay control signals
RNG Indicates a true ringing signal
TXD Transmitted data. Connected to the modem TxD signal
RXD Received data. Connected to the modem RxD signal.
CD
Carrier detect.
RTS
Request to send.
IRF
Internal Fault detected by the watchdog. Normally off.
Interface connectors
Connector
Type
X1
64-pin Euro
X2
9-pin D-connector
Xn.1
RJ12
Xn.2
9-pin D-connector
Xn.3
10-pin
Loudspeaker on-board, adjustable sound volume
Telephone line interface
Modes Dial up, 2-or 4- wire leased or fixed line, Xn.1/1-6
ITU-T recommendations:
ITU-T V.21
300 bps
ITU-T V.22
1200 bps
ITU-T V.22bis
2400 bps
ITU-T V.23
1200/75 bps
ITU-T V.32
4800/9600 bps
ITU-T V.32bis
14400 bps
Private line
Input sensitivity
Output level
Modem configuration
Function
power supply
RS 232 serial interface
public telephone network
RS 232 serial interface
leased line / radio
-43 to dBm, Xn.3/1-2 or 3-4.
software adjustable, -2 to -17 dBm, Xn.3/1-2.
AT commands and S registers, Jumper settings
Green
Green
Green
Green
Green
Green
Red