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Appendixes
Interfaces
This printer is connected to a computer and prints according to
commands sent from the computer.
There are three types of computer interfaces, and these are connected to
devices suited to each type of interface. The printer can also be connected
to a computer by the optional Ethernet and wireless LAN.
Serial Interface
Specications
System Start/stop asynchronous duplex communication
Signal level RS-232C
Baud rate 2400, 4800, 9600, 19200, 38400,57600, 115200 bps
Bit length 7 Bit, 8 Bit
Stop bit 1 Bit, 2 Bit
Parity Odd, even, none
Connector D-SUB 25 PIN
Signal line and pin arrangement
Pin No. Signal code Signal name Function
1 FG Protective grounding Protective grounding
2 TXD Transmitted data
Signal line that transmits data
from the printer to other devices
3 RXD Received data
Signal line that transmits data
from other devices to the printer
4 RTS Transmission request Pull up to +12 V through 3.3 k
5 NC - Not used
6 DSR Data set relay
Signal line that is active when
an external device can interface
with the printer
7 SGND Signal line ground
Shows the ground level of the
signal line
8-19 NC - Not used
20 DTR Data terminal relay
Signal line that is active when
an external device can interface
with the printer
21-24 NC - Not used
25 VCC +5V (FACTORY USE ONLY)
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General
Weight and Dimensions
