Hitachi VZ-HD4900A Manuel D’Utilisation
64
A
pp
en
di
x
RS-232C IN terminal
(8 -pin mini DIN, female)
IN
Pin No
Function
1
DTR IN
2
DSR IN
3
TxD IN
4
GND
5
RxD IN
6
GND
7
IR OUT *
8
Not used
* IR OUT of pin 7 can be switched
with the System Select switch.
(P. 15)
RS-232C OUT terminal
(8 -pin mini DIN, female)
OUT
Pin No
Function
1
DTR OUT
2
DSR OUT
3
TxD OUT
4
GND
5
RxD OUT
6
GND
7
Not used
8
Not used
RS-422 terminal
(connect terminal block, 9 pin)
1 2 3 4 5 6 7 8 9
RS-422
Pin No
Function
1
RxD OUT–
2
RxD OUT+
3
TxD OUT–
4
TxD OUT+
5
GND
6
RxD IN–
7
RxD IN+
8
TxD IN–
9
TxD IN+