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© Sealevel Systems, Inc.
SeaI/OUSBSERIAL | SL9177 04/2022
Optional RJ45 to DB9 RS-232 Adapter
Preconfigured for use with Sealevel USB RJ45-enabled serial adapters, the RJ45 to DB9 modular adapter (Item#
RJ9P-232) converts the RJ45 RS-232 pin out to a DB9 male RS-232 serial port. Standard CAT5 patch cables can
be used to extend the serial port up to 50 feet away from the RJ45 port. The pin out for the RJ9P-232 is shown
below.