Citizen CLP-7002 Manual de instrucciones Pagina 73

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Appendixes
69
2 Specifications
Interface Specifications
5. Interface pin assignment
The serial and parallel pin assignment tables are shown below.
n Serial interface pin assignment table
Pin No. Signal Input/Output Description
1 F.GND Output Frame ground
2 TXD Output RS-232C output data
3 RXD Input RS-232C input data
4 RTS Output RS-232C (pull up to +5V with 2 K]
5 CTS Input RS-232C data transmission on
computer enabled
6 NC Not connected
7 S.GND Output Signal ground
8 NC Not connected
9 NC Not connected
10 NC Not connected
11 NC Not connected
12 NC Not connected
13 L.GND Output Control system ground
14 VCCs Output Control system power +5 V (max.
service current 0.05A)
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 printer data receiving
enabled
21 NC Not connected
22 NC Not connected
23 NC Not connected
24 NC Not connected
25 NC Not connected
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