Serial interface, 1 specifications, 2 connector pin assignment – Citizen Systems iDP-3535 User Manual
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iDP-3535 User’s Manual
CITIZEN
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5. Serial Interface
5-1 Specifications
1) Synchronism
: Asynchronous
2) Baud rate
: 1200, 2400, 4800, 9600 BPS
(Selected by user)
3) Composition of one word
: Start bit : 1 bit
: Data bit : 7 or 8 bit
(selected by user)
: Parity bit : Odd, even or parity
(selected by user)
: Stop bit : 1 bit or more.
4) Signal polarity
: RS-232C : Mark = Logic “1”
(-3V to -12V)
: Space = Logic “0”
(+3V to +12V)
4) Receiving Control (DTR signal)
: RS-232C : Mark = Data transfer not possible
: Space = Data transfer possible
5-2 Connector Pin Assignment
Pin No.
Signal
Direction
Function
RS-232C
Name
Host / Printer
1
FG
Safety Ground
3
RD
→
Received Data
¡
7
SG
Signal Ground
14
FAULT
←
Printer ALARM Signal
¡
20
DTR
←
Printer BUSY Signal
¡
Notes:
1. The signal for RS-232C use are based on EIA RS-232C level.
2. Please always maintain the “Mark state”, when received data is not being transferred.
3.Compatible connector (D-Sub connector)
Printer side: Equivalent to AMPHENOL 17-13250
Cable side: Equivalent to AMPHENOL 17-23250