Serial Interface (Option); Specifications; Signal Line And Pin Assignment - Citizen CL-E700 series Technical Manual

2-4-3. Serial Interface (Option)

(1) Specifications

System
Signal level
Baud rate
Data length
Stop bit
Parity
Connector

(2) Signal line and pin assignment

Pin No. Signal
Abbr.
1 FG
2 TXD
3 RXD
4 RTS
5 CTS
6 DSR
7 SGND
8-13, NC
15-19
14 VCC
20 DTR
21-25 NC

Start/stop asynchronous full duplex communication
RS-232C
2400, 4800, 9600, 19200, 38400, 57600, 115200 bps
7 bits, 8 bits
1 bit, 2 bits
Odd, even, none
D-SUB 225AE25FGTBBA3 25-pin (COXOC)
Signal name
Frame ground
Transmit Data
Receive data
Request To Send
Clear To Send
Data Set Ready
Signal ground
-
+5V
Data Terminal
Ready
-
Protective grounding
Signal line that transmits data from the printer to
the host
Signal line that transmits data from the host to
the printer
Signal line that is active when the printer can
receive data from the host
Signal line that is active when the host can
receive data from the printer
Signal line that is active when the host can
interface with the printer
Signal grounding line
Not used
(Factory use only )
Signal line that is active when the printer can
interface with the host
Not used
2-67
Chapter 2 Operating Principles
2-4. Interface
Function
CL-E700 series