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BB-422TTL

Advantech BB-422TTL
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Advantech RS422 converter, RS422 DB25F to (5.0V) TTL DB25M w/(4) channels (requires 12 VDC power supply)
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Product Code: BB-422TTL

Description Technical Specs Drivers & Downloads
 
Model BB-422TTL converts RS-422 or EIA-530 signals to 5V TTL at data rates up to 115.2 kbps. Two channels are used to convert RS-422 to TTL and two channels are used to convert TTL to RS-422.

A DB25 male connector is used on the TTL side and a DB25 female connector is used on the RS-422/EIA-530 side. The converter supports RD, TD, RTS, and CTS. Pin 7 is signal ground for both connectors.

The converter supports baud rates up to 115.2 kbps. Open pads are provided for each line. If desired, you can change the pin connectors for any of the 4 channels. When converting a second RS-422 channel, use the corresponding RTS A and RTS B pins (refer to the Quick Start Guide).

The converter inverts the TTL signal. Refer to the specifications table to determine polarity. An external +12 VDC power supply is required (not included, sold separately).
Features
  • Convert 2 channels in each direction from TTL (“Transistor Transistor Logic)” to RS-422
  • 5V TTL
  • Baud rates up to 115.2 kbps
  • Open pads to change pin configuration


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