Serial Port Specifications - ProSoft Technology PLX3 Series User Manual

PLX3x Series
Ethernet and Serial Gateways

4.1.1 Serial Port Specifications

Type
Serial Port Isolation
Serial Port Protection
ProSoft Technology, Inc.
May 26, 2016
Specifications
2500 Vrms port signal isolation per UL 1577
serial port communication signal uses RF(Radio
Frequency) modulation signal as isolation media, IC
chip model is Silicon Labs Si844x
(Si8440,Si8441,Si8442).
RS-485/422 port interface lines TVS diode protected
at +/- 27V standoff voltage.
RS-232 port interface lines fault protected to +/- 36V
power on, +/- 40V power off.
Hardware Information
User Manual
Page 47 of 218