INSIGHT 4K LASER User Manual  
 
 
 
6.5. Pin Assignment and Functions of Terminal 
 
6.5.1. 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) 
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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