
Appendix A Encoder Physical Specifications
RS-232 Serial Port Pinouts
© 2015 Harmonic Inc. All rights reserved.
79
Electra 9200, Rev O
RS-232 Serial Port Pinouts
The serial data port can be used for a single serial CEA-708 captions per SMPTE 333 per
chassis.
lists the pinouts for the RS-232 serial port.
NOTE:
The serial data port should only be used in a single serial SMPTE 333 (carrying CEA-708
captions) link per chassis.
5
GPI contact 2
6
GPI contact 3
7
GPI contact 4
8
Ground (GND)
Table A–6: RS-232 Serial Port Pinouts
DB9 Pin
RS-232 Signal Name
Wire Color (Adapter)
RJ-45 Pin
2
RXD
Yellow
6
3
TXD
Green
5
5
GND
Red
4
Table A–5: Fault Relay/GPI Port Pinouts continued
Pin
Connection