DigiPoS PowerPoS & Millennium Technical Manual
I/O Interfaces & Power Connectors
RS232 Standard Serial Ports
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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
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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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