Siemens SINAUT ST7 - Page 97

Network structures and topologies
2.2 Configurations
Station control system
System Manual, 07/2009, C79000-G8976-C178-07
97
Dial-up network configuration
Dial-up network configurations
Network type: Mobile radio network (GSM)
Protocol: SINAUT ST7 and ST1
Mode: Spontaneous
Network type: Analog telephone or
digital ISDN *)
Protocol: SINAUT ST7 and ST1
Mode: Spontaneous
*) A combination of analog and ISDN
connections is not possible if SINAUT
modems are used.
Special hybrid modems are required for this
purpose.
Network Combination of fixed
type: network and
mobile radio network *)
Protocol: SINAUT ST7 and ST1
Mode: Spontaneous
*) Fixed network connections, either analog
or ISDN; ISDN is recommended if
combined with mobile radio.
Master (control center)
Node station
Station
Network Combination of dedicated line
type: and fixed network via
node station *)
Protocol: SINAUT ST7 and ST1
Mode: Polling (dedicated line)
Spontaneous (dial-up network)
*) Fixed network connections, either analog
or ISDN
Network Dial-up network with 2
type: control centers
1)
The example here shows a
hybrid network consisting of
fixed- and mobile radio network
2)
Protocol: SINAUT ST7 and ST1
Mode: Spontaneous
1) More than two control centers be used
2) Fixed network connections, either analog or ISDN;
ISDN is recommended if combined with mobile
radio.
Notes
Figure 2-9 Dial-up network configurations