10
3
－
2 Tow types of handshaking
2, 485 Serial interface
485 interface is IDC10 pin socket, socket pin number refer to figure of 3--1, every pin
definitions are different with interface RS-232. 485 interface’s effective socket is IDC10 pin
socket which next to power supply, the pin definition as below:
Signal
IDC10 pin socket pin number
A
7
B
9
3-3 485 interface socket pin definition
3.1.2 Parallel interface connection
SP–D10 printer’s parallel interface is compatible with CENIRONICS, Its interface
socket is 26 lines flat cable or replace model. Parallel interface socket pin number shown
as below:
1
2 5
2 6
2
3-3 Parallel interface socket pin number
The definitions of parallel interface pin number are shown as below:
PIN No.
Signal Direction
Instruction
1
/STB
input
Gate trigger, input date on the rising edge.
3
5
DATA1
DATA2
Input
Input
Those signals represent the parallel data
from 1 to 8, when the signal logic is “1”, it is
X-ON/
X-OFF control
Data allowable
Send X-ON code 11H on signal line 2
Data disallowed
Send X-OFF code 13H on signal line
2
