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Advantech | BB-422TTL
RS-422 to TTL Converter

_x000D_ Model 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._x000D_ _x000D_ 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._x000D_ _x000D_ 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)._x000D_ _x000D_ The converter inverts the TTL signal. Refer to the specifications table to determine polarity. An external 12 VDC power supply is required (not included).


Catalog Number: BB-422TTL

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