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2. Hardware specifications
1) External interface specifications
For the model AJ-D750
(1) Connector specifications
Connector: D-SUB 25-pin (crossover cable supported)
Pin No. Signal
Circuit name
Description
1
FG
Protective ground
Frame ground
2
RXD
Received data
Data is sent to PC.
3
TXD
Transmitted data
Data is received from PC.
4
CTS
Clear to send
Shorted with pin 5.
5
RTS
Request to send
Shorted with pin 4.
6
DTR
Data terminal ready No processing
7
SG
Signal ground
Signal ground
20 DSR
Data set ready
+ voltage output after communication enable status
(2) Example of connection with controller (PC)
(Using crossover cable with D-SUB 25-pin connectors)
PC side
(D-SUB 25-pin connector)
VTR side
(Using crossover cable with D-SUB 9-pin and 25-pin connectors)
PC side
(D-SUB 9-pin connector)
VTR side
–E-5–