Hitachi HF-W7500 Instruction Manual page 187

Industrial computer
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5. SPECIFICATION
● Serial port (male connector, inch screws) (COM1, COM2 (optional) )
Pin No.
● LAN port (RJ-45 modular port 8 pins)
8
For network connection, use a cable specified as follows.
Cable specification: UTP cable (twisted-pair cable without shield) category 5e or 6
1
6
Signal name
1
CD
2
RD
3
TD
4
DTR
5
GND
1
5
9
Pin No.
6
7
8
9
Pin No.
1
2
3
4
5
6
7
8
5-20
Signal name
DSR
RTS
CTS
RI
Signal name
TRD0+
TRD0-
TRD1+
TRD2+
TRD2-
TRD1-
TRD3+
TRD3-

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