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4x 422/485 USB
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| | USB to four serial port converter with DB9 (9-pin male) connectors. RS-422/RS-485
Features : USB-4COMi
l Adds four high speed RS-422 ports via USB connection
l 384 byte receive buffer
l 128 byte transmit buffer for high data throughput
l Data rates: 300 bps to 230K bps
l Serial connector: Four DB-9 male connectors
l Easy connectivity to printers, POS, Industrial control devices
l Data signals: TX-, TX+, RX+, RX-, GND, RTS-, RTS+, CTS+, CTS-
l Self-powered. External power supply included.
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Part
No. USB-4COM-I | View
Details |
| | 8-Port X DB-9 RS-232 USB Serial Adapter Data Control Box
Features : Converts a USB port into 1,2,3,4,5,6,7,8-serial ports capable of speeds up to 230,400 bps. All ports running at full speed 230K transfer each!
These USB Serial Converters are designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Serial Converters instantly add serial communication ports to your system. By taking advantage of the USB bus, the USB Serial Converter makes it easier than ever to add serial ports and serial devices to your system with easy plug-and-play and hot plug features. Plugging the USB Serial Converter to the USB port, the converter is automatically detected. There are no IRQ & COM port conflicts since th...
Part
No. 8XDB9-USB | View
Details |
| | USB to Quad Opto-isolated RS-422/485 Adapter
Features : l USB to Quad Opto-isolated RS-422/485 Adapter
-with optical isolation (2000V) (USB-4COMi-SI)
-with surge protection (25KV ESD)of all signal lines to
prevent interference, to protect system & minimize down time
Introduction
The USB Industrial I/O Adapter is designed to make industrial communication port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Industrial I/O Adapter instantly adds industrial communication port to your system. By taking advantage of the USB bus, the USB Industrial I/O Adapter makes it easier than ever to add RS-422 or RS-485 device to your system with easy plug-and-play a...
Part
No. USB-4COMi-SI | View
Details |
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4-Port USB DB-9 Serial Adapter Solution for Windows 98/ME/2000 and XP from $109.98
