5 communication interface, 5. communication interface – Century Systems CFD-4306 User Manual
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1-5. Communication Interface
Parallel Interface
Interface cable
: Parallel cable compatible with IBM PC
Pin out
: See below
PIN NO.
FUNCTION
TRANSMITTER
1
2-9
10
11
12
13
14
15
16
17
18
19-30
31
32
33
34-35
36
/Strobe
Data 0-7
/Acknowledge
Busy
/Paper empty
/Select
/Auto-Linefeed
N/C
Signal Gnd
Chassis Gnd
+5V,max 500mA
Signal Gnd
/Initialize
/Error
Signal Ground
N/C
/Select-in
host / printer
host
printer
printer
printer
printer
host / printer
host
host / printer
printer
host / printer
Serial Interface
Serial Default
Setting
: 9600 baud rate, no parity, 8 data bits, 1 stop bit, XON/XOFF protocol and RTS/CTS
RS232 HOUSING (9-pin to 9-pin)
DB9 SOCKET
DB9 PLUG
---
1 1 +5V,max
500mA
RXD
2 2 TXD
TXD
3 3 RXD
DTR
4 4 DSR
GND
5 5 GND
DSR
6 6 DTR
RTS
7 7 N/C
CTS
8 8 RTS
RI
9 9 N/C
PC
PRINTER
NOTE: The total voltage output from parallel port and serial port altogether can not exceed 500mA.
USB Interface
Connector Type : Type B
PIN NO.
1
2
3
4
FUNCTION USBVCC D- D+ GND