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1-3. INTERFACE SPECIFICATION
1-3-1. RS-232C SPECIFI CATION
Data transmission:
Serial. EIA RS232C compliant
Synchronization:
Asynchronous
Handshaking:
DTR/DSR or XON/XOFF control (*)
Signal levels:
MARK = -3 to -15V:
Logic “1”/OFF
SPACE = +3 to +15V:
Logic “0”/ON
Baud rate:
4800, 9600, 19200, 38400 bps (*)
Data word length:
8 bits, 7 bits (*)
Parity Settings:
None, even, odd (*)
Stop bits:
1 or more
Connector (printer side): Male DSUB-9 pin connector
Notes: *The data word length, baud rate, and parity depend on the DIP switch settings. (Refer to
5.SETTING & CHECKING THE DIP SWITCHES
.)
1-3-2. RS-232C INTERFACE CONNECTION EXAMPLE
HOST SIDE
PRINTER SIDE
(DTE ex.8251)
(Pin No.)
TxD
RxD (2)
RxD
TxD (3)
DTR
DSR (6)
DSR
DTR (4)
RTS
CTS
GND
GND (5)
1-3-3. LAN CONNECTOR
PIN
DESCRIPTION
1
TX+
2
TX-
3
RX+
4
Isolated GND
5
Isolated GND
6
RX-
7
Isolated GND
8
Isolated GND
1-3-4. POWER SUPPLY CONNECTOR
The connector is connected the printer to an external power source.
CONNECTOR MODEL:
PIN
SIGNAL
1
+24V
2
GND
3
NC
shell
FG
1
8
Shell
1
2
3
