Chroma 63800 Series - Appendix A: RS-232 C Connection

Appendix A: RS-232C Connection
A-1
Appendix A: RS-232C Connection
The RS-232C connector on the rear panel is a 9-pin connector (DB-9, male connector). The
RS-232C connector bus signal is defined as below.
RS-232C Connector
Pin Number
Input/Output
Description
1
---
+5V
2
Input
RxD
3
Output
TxD
4
Input /Output
Short Switch
5
---
GND
6
Input /Output
Short Switch
7
Output
RTS
8
Input
CTS
9
---
+5V
Note
(1) Pin 1 and pin 9 (+5V) are for 63800 series Remote Controller only.
(2) The short switch pins, pin 4 and pin 6, will be shorted when SHORT key is
pressed.