Epson JED T440 Sub 9 male Solder side, Mini-DIN 8 solder side, Panasonic Serial Port Connector

RS232 connections to Panasonic projectors: Three systems in use:

D-SUB 9 Female on projector, male on cable. Comms at 9600 8N1

Function/Direction	T440 “projector”
	Connection
Ground	Ground
Data from T440 to projector	Tx
Reply data from projector to T440	Rx
Plus 9 volt CTS/DTR to projector	N/C

Panasonic Serial Port Connector

9-pin D-sub pin 5

9-pin D-sub pin 3 (RXD)

9-pin D-sub pin 2 (TXD)

N/C

5 4 3 2 1

9 8 7 6

D-sub 9 male

solder side

D-SUB 9 Male on projector, female on cable. Comms at 9600 8N1

Function/Direction	T440 “projector”
	Connection
Ground	Ground
Data from T440 to projector	Tx
Reply data from projector to T440	Rx
Plus 9 volt CTS/DTR to projector	N/C

Panasonic Serial Port Connector

9-pin D-sub pin 5

9-pin D-sub pin 2 (RXD)

9-pin D-sub pin 3 (TXD)

N/C

1 2 3 4 5

6 7 8 9

D-sub 9 female solder side

Mini-DIN-8 socket on projector. Comms at 9600 8N1

Function/Direction

Ground

Data from T440 to projector Reply data from projector to T440 Plus 9 volt CTS/DTR to projector

T440 “projector” Connection

Ground

Tx

Rx

N/C

Panasonic Serial Port Connector

mini-DIN 8 pin 4

mini-DIN 8 pin 3 (RXD) mini-DIN 8 pin 5 (TXD) N/C

1 2

3 4 5

6 7 8

Mini-DIN 8 solder side

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.

CTS is NOT needed in units tested, so only connect TX, RX and GND.

T440 Users manual V021/B, © JED Microprocessors Pty Ltd Nov 17th 2008 Page 19