Hitachi EH-150 Series - Page 25

Chapter 4 Installation
4 - 5
 The example of cable connection
(1) When connecting with the general-purpose port of a personal computer
(2) When connecting with the modem
(3) When a control signal is not used
Note :
Please make a shield part one end grounding in principle. However, both-ends grounding or no
grounding may be effective by the noise. Please choose the suitable grounding method according to
environment.
EH-SIO Port
[8] RS
[7] DR
[6] RD
[5] SD
[4] ER
[3] CS
[2] CD
[1] SG
PC
(D-Sub 9pin)
[1] DCD
[2] RxD
[3] TxD
[6] DSR
[5] GND
[4] DTR
[7] RTS
[8] CTS
The inside of [ ]
is Pin No.
[8] RS
[7] DR
[6] RD
[5] SD
[4] ER
[3] CS
[2] CD
[1] SG
MODEM
(D-Sub 25pin)
[4] RS
[2] SD
[3] RD
[20] ER
[7] SG
[6] DR
[8] CD
[5] CS
EH-SIO Port
The inside of [ ]
is Pin No.
[8] RS
[7] DR
[6] RD
[5] SD
[4] ER
[3] CS
[2] CD
[1] SG
External
device
CD
RD
SD
DR
GND
ER
RS
CS
EH-SIO Port
The inside of [ ]
is Pin No.