Introduction to the SINAUT ST7 system
1.4 The classic SINAUT ST7 modems
Station control system
36
System Manual, 07/2009, C79000-G8976-C178-07
MD3
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
Transmission path
Analog dial-up telephone network
Dedicated line, 2-wire twisted pair, without
loading coils
Available ITU transmission standards in the analog
telephone network
•
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
Error correction
V.42 and MNP4
Data compression
V.42bis and MNP5
Modem control
•
AT commands
•
V.25bis commands
Metering pulse filter can be adjusted to
•
12 kHz
•
16 kHz
Dialing mode
•
Tone dialing
•
Pulse dialing
Loop power section
Exists, can be switched in or out
Loudspeaker
Exists, can be switched on or off
Line adjustment
•
600 ohms
•
Zr (frequency-dependent)
Transmit level can be set to
•
-10 dB
•
-15 dB
Asynchronous character format
10 or 11 bits
Standard dedicated line profile
•
300 bps (direct)
•
1200 bps (direct)
•
2400 bps (direct)
•
9600 bps (direct)
•
19,200 bps (direct)
•
19200 bps (buffered)
•
33,600 bps (buffered)
