CITIZEN CLP-2001 User Manual
Page 61
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Serial and parallel interface pin assignment tables are shown below.
■ Serial interface pin assignment table
6.2.5 Interface pin assignment
Pin No.
Signal
Input/Output
Description
1
F.GND
-
Frame ground
2
TXD
Output
RS-232C output data
3
RXD
Input
RS-232C input data
4
RTS
-
RS-232C (pull up to +5V with 2 Ki2)
5
CTS
Input
RS-232C data transmission on
computer enabled
6
NC
-
Not connected
7
S.GND
-
Signal ground
8
NC
-
Not connected
9
NC
-
Not connected
10
NC
-
Not connected
11
NC
-
Not connected
12
NC
-
Not connected
13
S.GND
-
Signal ground
14
-H5VDC
-
-
h
5 V (max. load 100 mA)
15
NC
-
Not connected
16
NC
-
Not connected
17
NC
-
Not connected
18
NC
-
Not connected
19
NC
-
Not connected
20
DTR
Output
RS-232C data transmission on
printer enabled (Busy)
21
NC
-
Not connected
22
NC
-
Not connected
23
NC
-
Not connected
24
NC
-
Not connected
25
NC
-
Not connected
6-9