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B&B RS232-RS422/RS485 CONVERTER DB9F-TERM BLK 4WSD9TB DIPSWITCH SELECTABLE RS-422 OR RS-485
B&B RS232-RS422/RS485 CONVERTER DB9F-TERM BLK 4WSD9TB       DIPSWITCH SELECTABLE RS-422 OR RS-485


 
 Price CAD : $124.97 /Each

 Calgary Stock :3

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 Part Number
:
4WSD9TB
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Description Technical Info
 
Port powered RS-232 to RS422 / 485 converter - dip switch selectable between RS-422 or RS-485
Provides RS-232 to RS-422 / RS-485 conversion using either port-power or an external power supply
Db9 female to terminal block
Brand name (s) : B&B Electronics

Data is converted in both directions, RS-232 Transmit Data is converted to balanced RS-422 or RS-485 Transmit Data. Received RS-422/485 signals are converted to RS-232. Unlike converters which require programming hardware handshaking signals to control RS-422 or RS-485 operation - "Automatic Send Data" Control is a feature of this product.

Features:
In RS-485 mode, the RS-485 driver is enabled by circuitry which senses the RS-232 TD input.
In half-duplex RS-485 mode, the receiver is enabled when not transmitting.
For full-duplex operation, the receiver is set always enabled.


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