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iDP-3540/41 User’s Manual
CITIZEN 24/48
9-2. Connector Pin Assignment
Signal Return Signal Direction RS- Current TTL
Pin
Signal
Name
Host / Printer
Function
232C
Loop
Pin
1 FG Safety Ground ¡
7 GND Signal Ground
¡
3 RD
→
Received Data ¡
20 DTR
←
Printer BUSY ¡
Signal
2 22 TD
←
Transmitted ¡ ¡
Data
11 PE
←
Paper End
¡
Signal
12 FAULT
←
Printer ALARM ¡
Signal
13 14 DTR
←
Printer BUSY ¡
Signal
18 16 RD
→
Received Data ¡
23 RESET
→
Printer RESET
¡
Signal
Notes: [1] The signals for RS-232C use are based on EIA RS-232C level.
[2] The loop current for Current Loop signal use should be restricted within the rage of
10 to 20 mA.
[3] Please always maintain the “Mark state”, when received data are not being
transferred.
[4] The assignment of RS-232C / Current loop / TTL can be performed with the slide
switch (Ref to 11-3).
Compatible Connector (D-Sub connector):
*Printer 17LE-13250 (AMPHENOL or equivalent)
*Cabls Side: 17JE-23250 (AMPHENOL or equivalent)