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WL-DONGLE
Wireless compact RS232 serial to WiFi Ethernet server
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ACKSYS widens its wireless solution offer by introducing the WL-DONGLE,
a compact wireless RS232 serial to WiFi Ethernet server.
WL-DONGLE relies on the same technology used in the WL-COMETH
range and thus profit from proven technology, device is very compact and
is specially designed to satisfy the needs of the system integrator market.
Product rely on the IEEE 802.11b standard (2.4 GHz) and is IEEE 802.11g
compatible, it features a full high speed RS232 serial interface (up to
250 Kbps) available on a SUBD 9 connector.
The link is made safe by a WEP 64/128 bits encryption key, the nominal
range is 200 m (open space) for a 11 Mbps binary rate, emitter power is
+15dBm while receiver sensitivity is -84dBm.
Its size is extremely compact (L :79 x W :58 x H :23 mm) and can be
connected to any equipment equipped with a serial port, consequently opening
to equipment access to the wireless world.
WL-DONGLE supports the following modes : TCP Client / Server, TELNET
RFC2217, COM port redirection, TELNET server, raw, point to point (virtual
cable) and the serial MODBUS to MODBUS/TCP gateway.
Device administration is achieved by using the web browser installed
on your computer or from TELNET.
Click to this link to learn more about "Wireless
Ethernet network applications fields".
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1 RS232 serial port (SUB D9), up to 250
Kbps |
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Compliant to the IEEE 802.11b and IEEE 802.11g
compatible, DSSS, (2.4 GHz wireless 11 Mbps Ethernet) recommendation,
built-in antenna |
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200 m nominal range (line of sight), 60 m in other cases (with built-in antenna), up to 4 Km with a 20 dBi antenna |
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auto-fallback system reduces speed to 5.5, 2 and 1
Mbps for greater range and/or better signal immunity |
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4 independent 64/128 bits WEP keys for secured data
transfer |
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Support for TCP Client/Server, DHCP Client, TELNET RFC2217 extension, Telnet Server, COM port re-director (VIP), multipoint or point to point virtual link over UDP modes and MODBUS/TCP Client/Server, MODBUS/RTU & MODBUS/ASCII protocols, direct communication (ad hoc) or from access point |
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LEDs signalling for serial TxD / RxD and
WLAN radio activity |
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Robust metallic case, CE industrial standards
conformity, ESD surge protection. |
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External +5VDC power source on jack connector, 3W
maximum power consumption |
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Remote COM port mode
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Works with Windows 9x/me/NT/2K/XP, Linux and requires a COM
port redirector driver software on the PC (VIP).
This mode is supported by the WL-DONGLE when running the "ServerCom"
firmware and when configured in the TELNET RFC 2217 mode (TELNET
RFC 2217 is a standard).
This mode makes it possible to run any Windows COM applications
without any adaptation (Hyperterminal for example), basically
designed for a local COM port, the Windows communication API
is fully supported. COM port configuration is carried out
by the application itself and not necessarily by the administration
module.
Other redirector softwares relying on the RFC 2217 standard exist for other operating systems.
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TCP socket server mode
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This mode works with any operating system supporting TCP/IP.
It is supported by the WL-DONGLE when running the "ServerCom"
firmware and when configured in the RAW mode.
The WL-DONGLE is able to answer to TCP connection request
on a configurable TCP port (it is thus a server).
The application which uses the WL-DONGLE relies on the SOCKET
API and not on the COM API.
COM port configuration (speed, characters, flow control) is
programmed in the WL-DONGLE using the administration module.
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TCP socket client mode
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This mode works with any operating system supporting TCP/IP.
It is supported by the WL-DONGLE when running the "TCP
Client" firmware.
The WL-DONGLE is able to answer a TCP connection request on
a TCP port to a server, the IP address of the server is programmed
using the administration module.
Connection origin can be established from WL-DONGLE power
ON of from the rising edge of the DSR signal.
The application which uses the WL-DONGLE relies on the SOCKET
API and not on the COM API.
COM port configuration (speed, characters, flow control) is
programmed in the WL-DONGLE using the administration module.
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TELNET mode
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This mode works with any operating system supporting TCP/IP
and which has a TELNET client software, two cases :
Configured TCP port TCP of the Socket TCP Server mode
This mode is supported by the WL-DONGLE when running the
"ServerCom" firmware and when configured in the
TELNET mode.
It doesn't require any application development on the PC,
TELNET is the network application !
TCP port #23
This mode is supported by all the WL-DONGLE's firmwares.
When the WL-DONGLE receives a port 23 connection request,
it switches to the administration mode and can thus be configured
(speed, mode ...).
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AD-HOC mode (point-to-point connection : virtual cable)
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This mode enables to provide a full-duplex serial exchange
between two serial equipements through the WL-DONGLE and
without using any access point.
However, the point-to-point connection thus carried out
rely on IP and no more on the WiFi network substructure,
the communication is carried out directly by radio between
two WL-DONGLE equipments like standard radio modems.
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MODBUS/TCP data gateway mode
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This mode is supported by the WL-DONGLE when running the "MODBUS/TCP"
firmware.
In conformity with the MODBUS/TCP Client / Server specifications,
this mode makes it possible to connect any serial MODBUS equipments
(MODBUS/ASCII & MODBUS/RTU) to the wireless Ethernet TCP/IP
network.
In this mode, the WL-DONGLE settles like a radio bridge between
the wireless Ethernet network and the serial MODBUS equipments
which dramatically simplifies the extension from traditional
MODBUS installation to a MODBUS/TCP based installation on
the wireless Ethernet network.
The WL-DONGLE device can work as a slave or master device
on both sides (Wireless Ethernet or Serial).
This mode also makes it possible to connect between them and
in a transparent way several traditional serial MODBUS equipments
through the wireless Ethernet network.
WL-DONGLE with MODBUS/TCP allows moreover integration within
the same network of serial MODBUS/ASCII & MODBUS/RTU based
equipments and MODBUS/TCP equipments.
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Some illustrations
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References to order:
| WL-DONGLE |
Single channel serial server
and serial MODBUS to MODBUS/TCP data gateway with RS232 interface
(SUB D9) to the wireless WiFi Network (IEEE 802.11b), with COM port
redirection software, with antenna & with power supply |
External antennas, RF cables, WiFi accessories:
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Click on the icon to the left to access the information request form |
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Click on the icon to the left to access the online documentations |
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Click to the PDF icon to download the technical data sheet |
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