Impulse 2404 - Manual (Page 8)

© Sealevel Systems, Inc. - 6 - 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.