Product category:
PC-Compatible Boards and Assemblies
News Release from: Sealevel Systems | Subject: Sealink+8/232.RJ and the Sealink+8.VC
Edited by the Electronicstalk Editorial
Team on 06 November 2006
USB modules bring serial devices onboard
Sealevel Systems has added two new models to its popular Sealink USB to serial product line: the Sealink+8/232.RJ and the Sealink+8.VC.
Sealevel Systems has added two new models to its popular Sealink USB to serial product line: the Sealink+8/232.RJ and the Sealink+8.VC Offering eight independent serial ports, Sealink+8 devices are the perfect way to connect RS232 and RS485 peripherals such as barcode scanners, serial displays and data acquisition modules to any USB port
This article was originally published on Electronicstalk on 5 Dec 2002 at 8.00am (UK)
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The serial ports on each Sealink+8 appear as standard COM ports to the host computer enabling compatibility with legacy software.
All Sealevel Sealink USB serial adapters use a state-machine architecture that greatly reduces the host computer's overhead when communicating over multiple ports simultaneously.
datarates up to 921.6Kbit/s are supported, and the Sealink+8.VC includes Sealevel's exclusive VersaCom connector design that allows RS232/485 selectivity through cabling.
Further reading
Serial device drivers provide easy Ethernet
Sealevel Systems reckons its Sealink family of serial device drivers is the easiest way to connect serial devices directly to an Ethernet network.
Baseboard puts embedded modules into PCI systems
Sealevel Systems has been selected to provide baseboard design services for system OEMs using Ampro's EnCore family of embedded processor modules.
Simply choose the appropriate pin out for RS232 or two-wire RS485 on each individual port.
There is never a need to open the enclosure to set internal jumpers or switches, so field installation and service are easy.
Status LEDs for displaying transmit and receive data activity are included to assist in troubleshooting.
Sealink+8 products are housed in durable plastic enclosures and include a high-retention USB type B connector that prevents accidental disconnection of the USB cable.
Both models are USB bus powered, so no external power supply is needed.
For conveniently powering serial peripherals, ordering options allow connecting an external power source via a DC jack on the rear of the unit.
The supplied power is fused and connected to pin 5 on each of the eight RJ45 connectors.
Each Sealink+8 product ships with Sealevel Systems' SeaCOM full suite of Windows drivers.
Also included is WinSSD, a full-featured application providing powerful testing and diagnostic capabilities.
Use WinSSD for BERT (bit error rate testing), throughput monitoring, loopback tests, and transmit test pattern messages.
In addition to Windows drivers and utilities, SeaCOM includes drivers, utilities and application notes to simplify installations in DOS, QNX and Linux.
Standard operating temperature range for Sealink products is 0 to 70C, and extended temperature range (-40 to +85C) models are available.
Prices start at $359 for the RS232 Sealink+8/232.RJ, part number 2804, and product is available immediately from stock.
Like all Sealevel I/O products, each Sealink+8 is backed by a lifetime warranty.
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