Interface Pin Assignment - Citizen CLP-2001 User Manual

6.2.5

Interface pin assignment

Serial and parallel interface pin assignment tables are shown below.
Serial interface pin assignment table
Pin No. Signal
1 F.GND
2 TXD
3 RXD
4 RTS
5 CTS
6 NC
7 S.GND
8 NC
9 NC
10 NC
11 NC
12 NC
13 S.GND
14 +5VDC
15 NC
16 NC
17 NC
18 NC
19 NC
20 DTR
21 NC
22 NC
23 NC
24 NC
25 NC
Input/Output
−
Frame ground
Output RS-232C output data
Input RS-232C input data
−
RS-232C (pull up to +5V with 2 KΩ)
Input RS-232C data transmission on computer
enabled
−
Not connected
−
Signal ground
−
Not connected
−
Not connected
−
Not connected
−
Not connected
−
Not connected
−
Signal ground
−
+5 V (max. load 100 mA)
−
Not connected
−
Not connected
−
Not connected
−
Not connected
−
Not connected
Output RS-232C data transmission on printer
enabled (Busy)
−
Not connected
−
Not connected
−
Not connected
−
Not connected
−
Not connected
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Description