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Siemens IK PI · 2015
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Technical specifications
(continued)
Industrial Remote Communication
Remote Networks
IP-based modems and routers
SCALANCE M874 mobile wireless router
Product functions
Security
Design of the firewall
Stateful inspection
Stateful inspection
Product function
• Password protection
Yes
Yes
• packet filter
Yes
Yes
• Broadcast/Multicast/Unicast Limiter
No
No
• broadcast blocking
No
No
Suitability for installation
Virtual Private Network
Yes
Yes
Product function
with VPN connection
-
-
Number of possible connections
for VPN connection
20
20
Type of authentication
with Virtual Private Network PSK
Yes
Yes
Protocol is supported IPsec tunnel
and transport mode
Yes
Yes
Key length
• with IPsec DES
with Virtual Private Network
56 bit
56 bit
• 1 with IPsec AES
with Virtual Private Network
128 bit
128 bit
• 2 with IPsec AES
with Virtual Private Network
192 bit
192 bit
• 3 with IPsec AES
with Virtual Private Network
256 bit
256 bit
Type of Internet key exchange
with Virtual Private Network
main mode
Yes
Yes
Key length with IPsec 3DES
with Virtual Private Network
168 bit
168 bit
Type of Internet key exchange
with Virtual Private Network
quick mode
Yes
Yes
Type of packet authentication
with Virtual Private Network
MD5, SHA-1
MD5, SHA-1
IETF profile with Virtual Private
Network X.509v3 certificate
Yes
Yes
Product functions
Time
Protocol is supported
• NTP
Yes
Yes
• SNTP
Yes
Yes
Standards, specifications,
approvals
Verification of suitability
-
-
• CE mark
Yes
Yes
• Railway application in accordance
with EN 50155
No
No
Article No.
6GK5874-2AA00-2AA2
6GK5874-3AA00-2AA2
Product-type designation
SCALANCE M874-2 2.5G
SCALANCE M874-3 3G
© Siemens AG 2014