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6. Appendix
6-8. Pin Assignment and Functions of Terminal
6-8-1. PC CONTROL connector (RS-232) (D-sub 9 pin)
This is an RS-232C interface for controlling the projector from a PC. The projector operates as a DCE (Data Communication
Equipment), so use a straight cable when connecting to a PC.
Pin No. RS-232C Signal Name Functions as RS-232C Projector Connector Operation
1 CD Carrier detection Not used (N.C.)
2 RXD Reception data Data transmission to an external device
3 TXD Transmission data Data reception from an external device
4 DTR
Data Terminal ready (Note)
Connection to 6 pins
5 GND Signal GND Signal GND
6 DSR Data set ready (Note) Connection to 4 pins
7 RTS Transmission request SYSTEM: Hi-Z (Not used)
CINEMA: Hi-Z (Used)
8 CTS Transmission available SYSTEM: Fixed at -6.5 V (Not used)
CINEMA: ±10.5 V (Used: Depends on communication status)
9 RI Ring indicator Not used (N.C.)
(Note) Do not use DTR and DSR signals when communicating.
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