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Siemens IK PI · 2015
Industrial Wireless Communication
IWLAN – Access Points IEEE 802.11n
SCALANCE W788 M12 EEC for enhanced environmental conditions
■
Function
The SCALANCE W788 M12 EEC (Extended Environmental
Conditions) are designed for use in railway applications. The de-
vices satisfy EN 50155, the approval for railway applications,
and can thus be used for rail traffic. The devices also have an
extended temperature range from -40 °C to +70 °C. Combined
with the railway-approved antennas, which are connected via
the N-Connect antenna connections (female), these products
can establish a reliable IWLAN wireless infrastructure outdoors.
The devices can be installed at the location that is most
favorable for the wireless link. The enclosure and the connectors
are resistant to high levels of shock and vibration because all the
connectors are screwed. Thanks to Conformal Coating and IP65
degree of protection, SCALANCE W788 M12 EEC is ideally
suited for environments with widely varying temperatures and
where protection against dust and water play an important role.
To achieve optimal coverage for special applications, the
complete range of SCALANCE W antennas is available. Some
antennas even have railway certification.
SCALANCE W788-2 M12 EEC access points can also be
operated as client modules.
Data transmission on trains using the SCALANCE W788 M12 EEC access points with railway certification
Provided that a delay (several 100 ms) caused by roaming in
accordance with IEEE 802.11 is tolerated by all communication
stations when switching the radio cells, the communication
continues uninterrupted.
For real-time requirements, the SCALANCE W788 M12 EEC
can be equipped with KEY-PLUG functionality for activating
iFeatures.
SCALANCE
XR324-12M TS
with M12 module
SCALANCE
W788-2 M12 EEC
TunnelTunnel
SCALANCE W788-2 M12 EEC
Tunnel
G_IK10_XX_30307
Industrial Ethernet
(Trainside)
SCALANCE
W788-2 M12
EEC
SCALANCE
W788-2 M12
EEC
Workstations
Infotainment
Server
SCALANCE
X308-2M TS
SCALANCE
XR552-12M
Industrial Ethernet (Trackside)
SCALANCE
W788-2 M12
EEC
Trainguard
Train Control
Communication
Server
Content
Workstation
Industrial Ethernet
(Trainside)
ANT 795-6MN
ANT 795-6MN
ANT793-8DJ ANT793-8DJ ANT793-8DJ ANT793-8DJ
Kap_06_IWC_en.book Seite 31 Dienstag, 7. Oktober 2014 1:47 13
© Siemens AG 2014
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