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Interface specifications
Parallel
Standard
Input signals
Output signals
Level of input/output signals
Transmission method
S e r i a l
Standard
Transmission method
Transmission speed
Parity check
Data bits
Stop bits
Handshake
Parallel connector (in compliance with
specifications of Centronics)
Signal
Terminal
Signal
number
number
number
NC
3 6
1 8
HIGH**
HIGH*
3 5
1 7
GND
NC
3 4
1 6
GND
GND
3 3
1 5
NC
HIGH*
3 2
1 4
NC
NC
3 1
1 3
HIGH*
3 0
1 2
GND
2 9
1 1
BUSY
2 8
1 0
ACK
2 7
9
D7
2 6
8
D6
GND
2 5
7
D5
2 4
6
D4
2 3
5
D3
2 2
4
D2
2 1
3
D1
2 0
2
D0
1 9
1
STROBE
30
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In compliance with the specifications of Centronics
STROBE (1 BIT), DATA (8 BITS)
BUSY (1 BIT), ACK (1 BIT)
TTL level
Asynchronous
RS-232C specifications
Asynchronous, duplex data transmission
4800, 9600 (Selected using DIP switches.)
Odd, Even, or None (Selected using DIP switches.)
7 or 8 bits (Selected using DIP switches.)
1 or 2 bits (Selected using DIP switches.)
Hardwire (power on) or XON/XOFF (switched by commands)
Pin Connection
Serial connector (RS-232C)
Signal
Terminal
Signal
number
number
number
NC
2 5
1 3
NC
NC
2 4
1 2
NC
NC
2 3
1 1
NC
NC
2 2
1 0
NC
NC
2 1
9
NC
DTR
2 0
8
NC
NC
1 9
7
SG
NC
1 8
6
DSR
NC
1 7
5
CTS
NC
1 6
4
RTS
NC
1 5
3
RXD
NC
1 4
2
TXD
1
FG
Pin Connection
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