3.1.7 X802 RS-232

The RS-232 Serial Port.

X802 Location

X802 RS-232 Pinout

Top View

X802 RS-232 Signal Levels

Signal Level	Description
RS-232 in	Vih min 2.4V Vil max 1.2V Voltage Range -25V .. +25V Hysteresis 0.3V typ. Input Impedance 3kOhm .. 7kOhm
RS-232 out	Output Voltage Swing min +/-5V, typ. +/-5.4V with 3kOhm load to ground Short circuit current +/-60mA max, +/-35mA typ.

Signal
Level

Description

RS-232 in

Vih min 2.4V

Vil max 1.2V

Voltage Range -25V .. +25V

Hysteresis 0.3V typ.

Input Impedance 3kOhm .. 7kOhm

RS-232 out

Output Voltage Swing min +/-5V, typ. +/-5.4V with 3kOhm load to ground

Short circuit current +/-60mA max, +/-35mA typ.

X802 Mating Connector

Part	Manufacturer	Part Number	Number Required
2.54 mm Female IDC Connector w. Strain Relief WR-BHD 10 pin	Würth	61201023021	2
1.27mm Ribbon Flat Cable WR-CAB 1m pieces 10 pin	Würth	63911015521CAB	1
2.54mm Male SMT Box Header WR-BHD 10 pin	Würth	61201020621	1 fitted on slave board