Serial Media Converter

STS-1915SI STS-1915S-PA SED-1010S
RS-232 To RS-422/485 Converter w/Surge & Isolation Protection, (Includes Power Adapter) RS-232 To RS-422/485 Converter w/Surge Protection, Port-Powered, Power Adapter Included Industrial High Speed RS-232 Over CAT-5 Extender up to 1.2KM with Surge Protection & EOT -30°C ~ 75°C