This document describes the RS-232C communication protocol for the SRX-110/105 projector
This protocol manual describes the basic configuration and command set used to control the Sony SRX-110/105 large venue projector. It covers RS‑232C communication, network services, and command formats for external controllers.
The document specifies RS‑232C parameters, cable requirements, and network protocols such as SDAP and SDCP, including port numbers, broadcast intervals, and timing rules for command transmission.
| RS-232C Baud Rate | 38.4 kbps |
|---|---|
| RS-232C Data Format | 1 START + 8 DATA + 1 PARITY + 1 STOP |
| Maximum RS-232C Cable Length | 15 m |
| Advertisement UDP Port | 53862 |
| PJ Talk TCP Port | 53484 |
| Advertisement Broadcast Interval | 30 seconds |
| Approximate Return Waiting Time | 30 msec |
It uses a D‑Sub 9‑pin cross (reverse) cable with the pin assignments listed in the manual.
The default community value is "SONY" when shipped from the factory.
Advertisement uses UDP port 53862, while PJ Talk uses TCP port 53484.
An interval of 45 msec should be left before sending the next SIRCS direct command.