2.3.7 Printer Connection
Printer / Personal Computer (25-pin) Connection Chart
Printer / IBM Personal Computer (9-pin) Connection Chart
Note
EIA (RS-232C) port on
the main unit
Circuit
Signal
Type
Name
(EIA)
AA
FG
BA
SD (TXD)
BB
RD (RXD)
CB
CS (CTS)
CC
DR (DSR)
AB
SG
CD
ER (DTR)
If you connect an IBM-PC or printer with 9-pin EIA (RS-232C)
connector to your system, see the chart below.
EIA (RS-232C) port on
the main unit
Circuit
Signal
Pin
Type
Name
No.
(EIA)
FG
1
AA
SD (TXD)
2
BA
RD (RXD)
3
BB
RS (RTS)
4
CA
CS (CTS)
5
CB
DR (DSR)
6
CC
SG
7
AB
ER (DTR)
20
CD
25-pin
Please read your printer manual and connect the first EIA pin (FG) of this
unit to the printer cable.
EIA (RS-232C) port on
the printer/PC
Pin
Pin
Signal
No.
No.
Name
1
1
FG
2
3
RD (RXD)
3
2
SD (TXD)
5
6
20
ER (DTR)
7
7
SG
20
5
CS (CTS)
6
DR (DSR)
8
CD (DCD)
EIA (RS-232C) port on
the printer/IBM-PC
Pin
No.
2
RD (RXD)
3
SD (TXD)
4
ER (DTR)
5
6
DR (DSR)
7
RS (RTS)
8
CS (CTS)
Circuit
Type
(EIA)
AA
BB
BA
CD
AB
CB
CC
CF
Circuit
Signal
Type
Name
(EIA)
BB
BA
CD
SG
AB
CC
CA
CB
9-pin
Installation
2-23