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Technical description – Impulse 2404 User Manual

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SeaLINK+4/232.RJ User Manual

Technical Description

The SeaLINK+4/232.RJ utilizes four USB UARTs. These chips feature
programmable baud rate, data format, 128 byte Dual Port TX Buffer, and 384 byte
Dual Port RX Buffer. The RS-232 transceivers support data rates up to 115.2K bps.

Connector Pin Assignments (RJ45)

Name Pin

#

Mode

NC

No Connect

1

RTS

Request To Send

2

Output

TX

Transmit Data

3

Output

GND Ground

4

NC

No Connect

5

RX Receive

Data

6

Input

CTS

Clear To Send

7

Input

NC

No Connect

8

Note: DCD, DSR, and RI are inputs that are not brought out on the RJ45 connector.
DSR and DCD are biased active and RI is biased inactive.