T440 Users manual V021/B, © JED Microprocessors Pty Ltd Nov 17th 2008 Page 19
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
Panasonic Serial Port
Connector
Ground Ground 9-pin D-sub pin 5
Data from T440 to projector Tx 9-pin D-sub pin 3 (RXD)
Reply data from projector to T440 Rx 9-pin D-sub pin 2 (TXD)
Plus 9 volt CTS/DTR to projector N/C N/C
3
D-sub 9 male
solder side
4 25 1
9 8 7 6
D-SUB 9 Male on projector, female on cable. Comms at 9600 8N1
Function/Direction T440 “projector”
Connection
Panasonic Serial Port
Connector
Ground Ground 9-pin D-sub pin 5
Data from T440 to projector Tx 9-pin D-sub pin 2 (RXD)
Reply data from projector to T440 Rx 9-pin D-sub pin 3 (TXD)
Plus 9 volt CTS/DTR to projector N/C N/C
8
1 2 3 4 5
6 7 9
D-sub 9 female
solder side
Mini-DIN-8 socket on projector. Comms at 9600 8N1
Function/Direction T440 “projector”
Connection
Panasonic Serial Port
Connector
Ground Ground mini-DIN 8 pin 4
Data from T440 to projector Tx mini-DIN 8 pin 3 (RXD)
Reply data from projector to T440 Rx mini-DIN 8 pin 5 (TXD)
Plus 9 volt CTS/DTR to projector N/C N/C
Mini-DIN 8
solder side
43 5
1 2
6 7 8
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.
