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© Sealevel Systems, Inc.
SeaI/O | SL9049 11/2021
Connector Pin Outs
SeaI/O (RS-232) S-Series Modules
SeaI/O S-Series (RS-232) modules have an RJ45 connector on the face of the enclosure. Each S-series module
includes a kit (Part# KT119) to convert the RJ45 RS-232 pin out to a standard DB9 RS-232 pin out. The kit ships
with a DB-9F to RJ45 modular adapter (Part# DB109) with RS-232 pin out and a standard 7' CAT5 patch cable
(Part# CA246). This kit allows SeaI/O S-series modules to be easily connected to a standard DB9 RS-232 serial
port. For other interfacing options, the RJ45 serial pin out is shown below.