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