Antenna Connectors - Siemens SCALANCE W788C-2 Operating Instructions Manual

Note
No power sourcing equipment (PSE)
The W7x8 cannot be used as a PoE power supply for other devices.
Ethernet connector
Depending on the model, the connection of the SCALANCE W7x8 to Ethernet is either via
an RJ-45 interface or via an M12 interface.
5.3

Antenna connectors

R-SMA for degree of protection IP30
The SCALANCE W788C-2 RJ-45 has antenna sockets of the type R-SMA, 3 on the top and
3 on the underside of the device.
N-Connect for degree of protection IP65
The SCALANCE W788C-2 M12 has antenna sockets of the type N-Connect, 3 on the top
and 3 on the underside of the device.
When you install the SCALANCE W7x8 in a cabinet, detached antennas must be used due
to the restricted communication. Suitable connecting cable for a connection between
SCALANCE W7x8 and a detached antenna are available from SIMATIC NET. You will find
detailed information in the following section.
Note
Terminating resistor
Each WLAN interface has three antenna connectors. Connectors that are not used must
have a terminating resistor fitted.
The antennas R1A1 and R2A1 must be always be connected as soon as the associated
WLAN Interface is turned on. if no antenna is connected, the relevant interface must also be
disabled for RX and TX. Otherwise, there may be transmission disruptions.
You will find information on the configuration of the antennas in the following documents:
• SCALANCE W7x8
SCALANCE W700 configuration manual, section "Configuring antennas"
• SCALANCE W7x8C
SCALANCE WLC711 User Guide, section "Configuring wireless AP radio properties"
SCALANCE W788C-2
Operating Instructions, 11/2014, A5E03692120-07
Connection
5.3 Antenna connectors
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