Appendix B: Electrical Interfaces

Appendix B. Electrical Interfaces

The IC292A connects to a single USB port and provides eight RS-232/422/485 software configurable serial ports. The IC292A uses high-speed USB/UARTs with 128-byte TX FIFOs and 384-byte RX FIFOs. The chips feature programmable baud rates and data rates to 921.6 kbps.

Connector Pinouts

RS-232 (DB9 male)

Table B-1. RS-232

(DB9 male connector

pinout).

Pin Number

Signal

 

 

1DCD

2RX

3TX

4DTR

5GND

6DSR

7RTS

8CTS

9RI

Figure B-1. DB9 male connector.

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Black Box Black Box Interface Converter, 4-Port, 422 Appendix B Electrical Interfaces, Appendix B. Electrical Interfaces

485, 422, Black Box Interface Converter, 4-Port, RS-232 specifications

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