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General Installation
Installation Manual 67
The pin configuration of Serial Interface (RS-232C) Connector is as follows:
Connection Chart for Printer / IBM
*1
Personal Computer
If you connect a printer or a PC with a 25-pin cable, follow the chart below.
Pin
No.
Signal Name Circuit Type
EIA CCITT
1
2
FG
SD (TXD)
Frame Ground
Transmitted Data
AA
BA
101
103
3
4
RD (RXD)
RS (RTS)
Received Data
Request To Send
BB
CA
104
105
5
6
CS (CTS)
DR (DSR)
Clear To Send
Data Set Ready
CB
CC
106
107
7
8
SG
CD (DCD)
Signal Ground
Data Carrier
Detect
AB
CF
102
109
20 ER (DTR) Data Terminal
Ready
CD 108.2
*1
IBM is a registered trademark of International Business Machines Corporation in the United States.
®
Circuit
Type
(EIA)
Signal
Name
Pin
No.
AA
BA
FG
SD (TXD)
RD (RXD)
CS (CTS)
CR (DSR)
SG
ER (DTR)
Signal
Name
FG
RD (RXD)
SD (TXD)
ER (DTR)
SG
CS (CTS)
CR (DSR)
CD (DCD)
1
2
3
5
6
7
20
Pin
No.
1
3
2
20
7
5
6
8
BB
CB
CC
AB
CD
Circuit
Type
(EIA)
AA
BB
BA
CD
AB
CB
CC
CF
System 25-pin Cable Printer/PC