Epson JED T440 RS232 connections to Optoma Group 2 EP776, EP782 projector with D9, solder side

Models: JED T440

1 28
Download 28 pages 29.91 Kb
Page 17
Image 17
RS232 connections to Optoma Group 2: EP776, EP782 projector with D9

RS232 connections to Optoma Group 2: EP776, EP782 projector with D9

These use a 9-pin-D9 male on the proj, female on cable. Comms is at 9600 baud, 8 bits, no parity, 1 stop.

Function/Direction

T440 “projector”

“Serial” Port Connector

 

 

 

 

 

 

Connection

 

 

1

2

 

3

4 5

Ground

Ground

9-pin D-sub pin 5

 

 

6

7

8

9

 

 

 

 

 

 

Data from T440 to projector

Tx

9-pin D-sub pin 2

(RXD)

D-sub 9 female

 

 

 

 

Reply data from projector to T440

Rx

9-pin D-sub pin 3

(TXD)

 

solder side

Plus 9 volt CTS/DTR to projector

n/c

n/c

 

 

 

 

 

 

After installation wiring of any projector to a T440, use a multimeter to check voltages of –9 on BOTH TX and RX pins in any installation, as described in the troubleshooting part of this manual.

T440 Users manual V021/B, © JED Microprocessors Pty Ltd Nov 17th 2008

Page 17

Page 17
Image 17
Epson JED T440 RS232 connections to Optoma Group 2 EP776, EP782 projector with D9, solder side, Function/Direction