6
1-5. Communication Interface
Paralle Interface
Handshake
:
DSTB connects to the printer, BUSY connects to the host
Interface cable
:
Parallel cable compatible to IBM PC
Pin out
:
See below
PIN NO.
FUNCTION
TRANSMITTER
1
2-9
10
11
12
13
14-16
17
18
19-30
31
32
33
34-36
/Strobe
Data 0-7
/Acknowledge
Busy
/Paper empty
/Select
N/C
Chassis Ground
+5V max 500mA
Signal Ground
N/C
/ERROR
Signal Groude
N/C
host
host
printer
printer
printer
printer
host
printer
ground
Note:
DCE: Data Communication Eqauipment (PC)
DTE: Data Terminal Equipment (Printer)
Serial Interface
Serial Default
Setting
:
9600 baud rate
﹑
no parity
﹑
8 data bits
﹑
1 stop bit
﹑
XON/XOFF protocol and RTS/CTS
。
Connector Type: DB9 female, pin assignment is as follows:
PIN NO.
1
2
3
4
5
6
7
8
9
FUNCTION +5 V
TXD
RXD
N/C
GND
N/C
CTS
RTS
N/C
Serial interface from PC to printer
PC(DTE)
EZ-2000(DCE)
---
1
1
+5V
RXD
2
2
TXD
TXD
3
3
RXD
DTR
4
4
N/C
GND
5
5
GND
DSR
6
6
N/C
RTS
7
7
CTS
CTS
8
8
RTS
---
9
9
N/C
