SIEMENS
7/119
Siemens IK PI · 2015
Industrial Remote Communication
Remote Networks
IP-based modems and routers
SCALANCE M874 mobile wireless router
7
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Design
•
The rugged plastic enclosure supports the following mounting
methods:
- S7-1500 mounting rail
- S7-300 mounting rail
•
Standard rail mounting
•
Wall mounting
•
2 x RJ45 interface with 10/100 Mbit/s for Industrial Ethernet
•
Diagnostics LEDs for modem status, field strength,
connection control, and DI/DO channels
•
SET button
•
5-pin screw terminal for redundant connection to the 24 V DC
power supply
•
2-pin screw terminal for a digital input
•
2-pin screw terminal for a digital output
•
1 x SMA antenna connection for an UMTS/GSM antenna
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Function
•
Automatic setup and holding of IP-based online connection to
the Internet
•
Merging of distributed, IP-based networks via mobile radio
networks
•
Bi-directional IP-based data communication with a telecontrol
center, e.g. ST7cc or ST7sc, WinCC or PCS 7
•
Integrated security functions with firewall (stateful inspection)
•
Integrated IPsec VPN tunnel encryption
•
Data exchange between telecontrol stations (slave-slave
communication) via a TIM communication module in the
service center
•
Secure data communication with the SINAUT ST7 stations,
also over mobile radio provider networks which do not provide
public and fixed IP addresses for the modem
•
Automatic and user-defined sending of text messages
•
Configuration data can be saved by means of the C-PLUG
storage medium (not included in the scope of delivery)
Configuration
•
User-friendly configuration of all network and firewall param-
eters of the router using the Web browser
- CLI (Command Line Interface) available soon
- Integration in TIA Portal available soon
Security
•
Router for data transmission via public networks with NAT
functionality (NAT Traversal, NAPT, 1:1-NAT)
•
Standardized VPN termination of the control center via
SCALANCE S
- By means of IPsec protocol
- OpenVPN available soon
•
Firewall for protection against unauthorized access; the
dynamic packet filter checks data packets based on the
source and target address (stateful inspection)
Diagnostics / maintenance
•
Connection buildup status and status of an existing
connection via front LED display
Preconditions for using the SCALANCE M874
mobile radio router
•
SIM card from a mobile network operator with UMTS support
or alternatively, a SIM card from a mobile wireless operator
with GSM support
© Siemens AG 2014