SIEMENS
7/128
Siemens IK PI · 2015
Industrial Remote Communication
Remote Networks
IP-based modems and routers
SCALANCE M875 mobile wireless router
7
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Function
•
Pentaband UMTS with the frequency bands
800/850/1 700/1 900/2 100 MHz
•
Quad-band GSM with the frequency bands
850/900/1 800/1 900 MHz
•
Support for UMTS with HSDPA+
(downlink: 14.4 Mbit/s, uplink: 5.76 Mbit/s)
•
Without UMTS network, automatic switchover to 2nd gener-
ation mobile radio data services, eGPRS or GPRS mode
•
Automatic setup and holding of IP-based online connection
to the Internet
•
Merging of distributed, IP-based networks via UMTS/GSM
mobile radio networks
•
Bi-directional IP-based data communication with the
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
•
User-friendly configuration of all network and firewall param-
eters of the router using the web browser
Security
•
Router for data transmission via public networks with NAT
functionality (NAT Traversal, NAPT, 1:1-NAT)
•
Suitable VPN termination of the control center via
SCALANCE S
•
Firewall for protection against unauthorized access; the
dynamic packet filter checks data packets based on the
source and target address (stateful inspection) and blocks
undesirable data traffic (anti-spoofing)
Diagnostics / maintenance
•
Status of connection buildup and of an existing connection via
front LED display and web browser
Preconditions for using the SCALANCE M875 UMTS router
•
SIM card from a UMTS network operator with HSDPA support,
or alternatively a SIM card from a GSM network operator with
eGPRS or GPRS support
© Siemens AG 2014