Introduction to the SINAUT ST7 system
1.4 The classic SINAUT ST7 modems
Station control system
System Manual, 07/2009, C79000-G8976-C178-07
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MD3
Compatible with SINAUT modems (as telephone
modem)
•
MD125
•
MDM2425B DX
•
MD3 (hardware version < 4)
•
V.22 1200 bps, duplex
•
V.22bis 2400 bps, duplex
•
V.22bis 2400 bps, duplex
•
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
Certifications and approvals
•
Europe
•
USA
•
Canada
Recommended line quality for telephone company
leased lines
•
M1020
•
M1025
Technical specifications of the MD4 ISDN dial-up modem
MD4
Interfaces
•
Attachment to ISDN dial-up network or ISDN
dedicated line
•
RS-232 attachment to DTE
•
RS-485 attachment to DTE
•
Connection to power supply
•
RJ-12
•
9-pin D-sub male connector
•
9-pin D-sub female connector
•
4-pin terminal strip
Power supply
24 V DC
Current consumption
•
From 24 V DC
•
100 mA
Power loss
2.4 W
Permitted ambient conditions
•
Operating temperature
•
Transport/storage temperature
•
Relative humidity
•
0 °C t60 °C
•
-40 °C t70 °C
•
Max. 95 % at +25 °C
Construction
•
Module format
•
Dimensions (W x H x D) in mm
•
Weight
•
Compact module for S7-300, double width
•
80 x 125 x 120
•
Approx. 300 g
Degree of protection
IP 20