Interfaces

• Connection for telephone network or dedicated line

1 x RJ12

• RS232 connection for data terminal equipment

1 x 9-pin Sub-D connector

• RS485 connection for data terminal equipment

1 x 9-pin Sub-D socket

• Connection for supply voltage

1 x 4-pin terminal block

Voltage supply

24 V DC

Current consumption

• from 24 V DC

200 mA

Power loss

4.8 W

Permissible ambient conditions

• Operating temperature

0 °C … +60 °C

• Transport/storage temperature

-40 °C … +70 °C

• Relative humidity

max. 95 % at +25 °C

Design

• Module format

Compact module S7-300, double width

• Dimensions (W x H x D) in mm

80 x 125 x 120

• Weight

approx. 300 g

Degree of protection

IP20

Transmission path

Analog dial-up telephone network

Dedicated line, 2-wire twisted pair cable, non-coil-loaded

Available ITU transmission standards in analog telephone network

• V.22

1200 bit/s, duplex

• V.22 up to

2400 bit/s, duplex

• V.32 up to

4800 bit/s, duplex

• V.32 up to

9600 bit/s, duplex

• V.32 up to

14400 bit/s, duplex

• V.34 up to

19200 bit/s, duplex

• V.34 up to

33600 bit/s, duplex

Error correction

V.42 and MNP4

Data compression

V.42bis and MNP5

Modem control

AT commands
V.25bis commands

Telephone charge pulse filter can be set to:

12 kHz
16 kHz

Dial-up procedure

Voice frequency dialing
Pulse dialing

Loop current component

Available; can be connected and disconnected

Loudspeaker

Available; can be connected and disconnected

Line matching

600 ohms
Zr (frequency-dependent)

Transmission level can be set to

-10 dB
-15 dB

Asynchronous character format

10 or 11 bits

Standard dedicated-line profiles

300 bit/s (direct)

1200 bit/s (direct)

2400 bit/s (direct)

9600 bit/s (direct)

19200 bit/s (direct)

19200 bit/s (buffered)

33600 bit/s (buffered)

Compatible with SINAUT modems (as telephone modem)

• MD125

• V.22

1200 bit/s, duplex

• V.22 up to

2400 bit/s, duplex

• MDM2425B DX

• V.22 up to

2400 bit/s, duplex

• MD3 (HW version < 4)

• V.22

1200 bit/s, duplex

• V.22 up to

2400 bit/s, duplex

• V.32 up to

4800 bit/s, duplex

• V.32 up to

9600 bit/s, duplex

• V.32 up to

14400 bit/s, duplex

Approvals

Europe
U.S.A.
Canada

Recommended line quality on leased telephone lines

M1020
M1025