Siemens TIM 1531 IRC User Manual

Accessories
B.3 Routers, modems, antennas
TIM 1531 IRC
306 Operating Instructions, 02/2018, C79000-G8976-C468-02
B.3.2
MODEM MD720
MODEM MD720
Article number: 6NH9720-3AA01-0XX0
Use in SIMATIC S7 stations that are part of a telecontrol or remote maintenance system and
for communication with other stations in the network or an OPC server in the master station.
The MD720 supports the following types of communication:
● IP-based communication with the control center using GPRS and the MSC protocol or the
MSCsec secure protocol
● SMS messages from or to a mobile telephone
● CSD communication for maintenance and for data connections
Technical specifications (excerpt)
Connection to Industrial Ethernet
X1 interface
Number:
1
Implementation:
D-sub 9-pin, female
Characteristics: RS-232
Control using AT commands
Transmission speed: 19200 bps
Permitted range: 300 ... 57600 bps
Wireless interface
Antenna connector
Number:
1
Implementation:
SMA socket
Impedance:
50 Ω nominal
Frequency bands
GPRS / CSD:
Quad band: 850, 900, 1800, 1900 MHz

Siemens TIM 1531 IRC Specifications

General

Brand	Siemens
Model	TIM 1531 IRC
Category	Controller
Language	English