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6. Appendix
6-7. Pin Assignment and Functions of Terminal
6-7-1. PC CONTROL terminal (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.
