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Description of the SCALANCE W744
Operating Instructions SCALANCE W 744-1PRO
14 C79000-G8976-C185-03
Possible Applications of the SCALANCE W744
The SCALANCE W744 is equipped with an Ethernet interface and a wireless LAN
interface (SCALANCE W744-2PRO: two WLAN interfaces). This makes the device
suitable for the following applications:
The SCALANCE W744 can be used as a connection between a device with
ethernet interface (i. e. SIMATIC PLC with industrial ethernet communication
processor) and a wireless network.
The SCALANCE W744 can be used as a gateway from a wired to a wireless
network. One node is supported in the wired network.
Properties of the SCALANCE W744
The Ethernet interface supports 10 Mbps and 100 Mbps, both in full and half
duplex as well as autocrossing and autonegotiation.
The wireless interface is compatible with the IEEE 802.11a,
IEEE 802.11b, and IEEE 802.11g standards. In the 802.1a- and 802.1g mode,
the total transmission rate is up to 54 Mbps. In the turbo mode, the transmission
rate is up to 108 Mbps (not permitted in all countries and modes).
Operation in the 2.4 GHz and 5 GHz frequency bands.
Support of the authentication standards WPA, WPA-PSK and
IEEE 802.1x and WEP, AES and TKIP encryption schemes.
Suitable for inclusion of a RADIUS server for authentication.
The interoperability of SCALANCE W744 devices with WiFi devices of other
vendors was tested thoroughly.
Ports
The SCALANCE W744 has the following ports:
RJ45 hybrid connector on the front panel of the housing consisting of an RJ-45
jack and 4-pin power socket. The RJ-45 connector supports the use of switches
capable of power-over-Ethernet according to 802.3af. The 4-pin power socket
allows power of 24-48 VDC to be supplied.
An M12 connector as optional power supply.(24-48 VDC)
Two R-SMA plugs (four R-SMA plugs on the SCALANCE W744-2PRO) for the
attachment of antennas on the sides of the device.
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