DigiPoS PowerPoS Technical Manual
I/O Interfaces & Power Connectors
RS232 Standard Serial Ports
1 2 3 4 5
6 7 8 9
Pin Signal
Function
Pin Signal
Function
1
CD
Carrier Detect (IN)
6
DSR
Data Set Ready (In)
2
RD
Receive Data (IN)
7
RTS
Request To Send (OUT)
3
TD
Transmit Data (OUT)
8
CTS
Clear To Send (IN)
4
DTR
Data Terminal Ready (OUT)
5
SG
Signal & -VDC Supply ground
9
-
+VDC Supply From Power
Distribution Board
Specifications
Speeds
(In Bits per Second)
75, 110, 134, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, 9600,
14400, 19200, 38400, 57600, 115200 & 128000
Parallel Port
1
2
3
4
5
6
7
8
9
10 11 12 13
14 15 16 17 18 19 20 21 22 23 24 25
Pin
I / O
Function
Pin
I / O
Function
1 Out -Strobe
14 Out -Auto
Feed
2
Out
+Data Bit 0
15
In
-Error
3
Out
+Data Bit 1
16
Out
-Initialise Printer
4
Out
+Data Bit 2
17
Out
-Select Input
5
Out
+Data Bit 3
18
In
Data Bit 0 Return (GND)
6
Out
+Data Bit 4
19
In
Data Bit 1 Return (GND)
7
Out
+Data Bit 5
20
In
Data Bit 2 Return (GND)
8
Out
+Data Bit 6
21
In
Data Bit 3 Return (GND)
9
Out
+Data Bit 7
22
In
Data Bit 4 Return (GND)
10
In
+Acknowledge
23
In
Data Bit 5 Return (GND)
11
In
+Busy
24
In
Data Bit 6 Return (GND)
12
In
+Paper End
25
In
Data Bit 7 Return (GND)
13 In +Select
Specifications
Parallel Port Type
Input Mode
Output Mode
Comments
SPP (Standard Parallel Port)
Nibble
Compatible
4-Bit Input, 8-Bit Output.
Bidirectional Byte
Compatible
8-Bit
I/O
EPP (Enhanced Parallel Port)
EPP
EPP
8-Bit I/O
ECP (Enhanced Capabilities Port)
ECP
ECP
8-Bit I/O, Uses DMA
Parallel Port Mode
Direction
Transfer Rate
Nibble (4-Bit)
Input Only
50Kb / Sec
Byte (8-Bit)
Input Only
150Kb / Sec
Compatible
Output Only
150Kb / Sec
EPP
Input / Output
500Kb – 2Mb / Sec
ECP
Input / Output
500Kb – 2Mb / Sec
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