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Introduction
Documentation Number: ESR90xW-4905m Chapter 1 1
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
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Thank you for purchasing a Vlinx ESR90xW Wireless Serial Server!
Like all B&B Electronics products, your serial server has been manufactured
to high standards of quality and performance to ensure your complete
satisfaction. Please read this manual and carefully follow the instructions to
achieve best results. For additional information on this and other B&B
products, and for technical support, and for technical support, call
815-433-5100 option 3, or access B&B Electronics’ website at: www.bb-
elec.com
About Your Vlinx ESR90xW Wireless Serial Server
Vlinx ESR90xW Wireless Serial Servers are part of B&B Electronics
growing family of device servers, products that allow you to connect
equipment with available serial connections into existing networks. Vlinx
ESR90xW wireless serial servers connect RS-232, RS-422 or RS-485
devices to a wireless network via wireless access points, eliminating the need
for network cabling. Devices connected to the serial ports on your Vlinx
ESR90xW can be accessed from any node on the LAN using Direct IP
Mode, Virtual COM Port, or Serial Tunneling (Paired Mode) connections.
Based on the 802.11g wireless standard, Vlinx ESR90xW servers operate at
up to 54Mbps over the 2.4 GHz band, which does not require licensing.
Vlinx ESR90xW Wireless Serial Servers
(ESR902W shown)
Vlinx ESR90xW wireless serial servers are built for use in industrial
environments and feature rugged DIN or panel mountable enclosures. They
operate from AC or DC power supply voltages and feature removable screw
terminal power connectors.
Introduction
2 Chapter 1 Documentation Number: ESR90xW-4905m
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
Features
• Backward compatibility with 802.11b (up to 11 Mbps)
• Multi-interface serial ports
o The Vlinx 901W232 features one RS-232 serial port using a
standard DB-9M connector
o The Vlinx 901W485 features one RS-422/485 serial port using
a removable terminal block connector
o The Vlinx 902W features two serial ports (one RS-232 and one
software-selectable RS-232/422/485) using DB-9M connectors
o The Vlinx 904W features four serial ports (two RS-232 and two
software-selectable RS-232/422/485) using DB-9M connectors
• Rugged DIN rail or panel mountable IP30 enclosure
• Accepts AC or DC power over a wide voltage range
• LAN and WAN Communications via wireless access point
• TCP or UDP Client or Server operation - configurable
• Software Support - Windows 98/ME/2000/XP or NT 4.0
• Field upgradeable
• Configuration of wireless and serial port settings using:
o Vlinx Web Console, which allows configuration via the
network using a web browser.
Communication Modes
Vlinx ESR90xW Wireless Serial Servers enable communication with
serial devices over a wireless network. The three main types of
communications supported by ESR90xW Wireless Serial Servers are Direct
IP Mode, Virtual COM Mode and Serial Tunneling Mode.
Direct IP Mode
Direct IP connections allow applications using TCP/IP or UDP/IP socket
programs to communicate with the asynchronous serial ports on the serial
server. In this type of application the serial server is configured as a TCP or
UDP server. The socket program running on the PC establishes a
communication connection. The data is sent directly to and from the serial
port on the server. When using UDP protocol the server can be configured to
broadcast data to and receive data from multiple IP addresses.