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Introduction to the SINAUT ST7 system
2.4 The SINAUT ST7 modems
Technical specifications of the MD3 analog dial-up modem
MD3
Interfaces
•
•
•
•
Power supply
Current consumption
•
Power loss
Permitted ambient conditions
•
•
•
Construction
•
•
•
Degree of protection
Transmission path
Available ITU transmission standards in the analog
telephone network
Error correction
Data compression
Modem control
Metering pulse filter can be adjusted to
Dialing mode
Loop power section
Loudspeaker
Line adjustment
Transmit level can be set to
62
Attachment to telephone network or dedicated
line
RS-232 attachment to DTE
RS-485 attachment to DTE
Connection to power supply
From 24 V DC
Operating temperature
Transport/storage temperature
Relative humidity
Module format
Dimensions (W x H x D) in mm
Weight
RJ-12
•
9-pin D-sub male connector
•
9-pin D-sub female connector
•
4-pin terminal strip
•
24 V DC
200 mA
•
4.8 W
0 °C through +60 °C
•
-40 °C through +70 °C
•
Max. 95 % at +25 °C
•
Compact module for S7-300, double width
•
80 x 125 x 120
•
Approx. 300 g
•
IP 20
Analog dial-up telephone network
Dedicated line, 2-wire twisted pair, without
loading coils
V.22 1200 bps, duplex
•
V.22bis 2400 bps, duplex
•
V.32bis 4800 bps, duplex
•
V.32bis 9600 bps, duplex
•
V.32bis 14,400 bps, duplex
•
V.34bis 19200 bps, duplex
•
V.34bis 33,600 bps, duplex
•
V.42 and MNP4
V.42bis and MNP5
AT commands
•
V.25bis commands
•
12 kHz
•
16 kHz
•
Tone dialing
•
Pulse dialing
•
Exists, can be switched in or out
Exists, can be switched on or off
600 ohms
•
Zr (frequency-dependent)
•
-10 dB
•
-15 dB
•
SINAUT ST7 Station control system - System Manual
System Manual, 05/2007, C79000-G8976-C178-06
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