User`s guide

A
A
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B
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1
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3
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2
0
0
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U
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e
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3-6
3.8 POWER CONNECTOR (J5)
The J5 is a 4-pin, 2.5mm, right angle JST connector; you can directly connect the DC power
source to J5 for stand-alone applications.
Figure 3-7 J5: Power Connector
3.9 PRINTER CONNECTOR (CN1)
To enable or disable the printer port, please use the BIOS setup program. To use the parallel port,
an adapter cable has to be connected to the CN1 connector (26-pin 2.0mm housing). The
connector for the parallel port is a 25 pin D-type female connector. The pin assignments for the
parallel port adapter cable are as follows:
CN1
DB25
Decryption
CN1
DB25
Decryption
1 1 -Strobe 2 14 -Auto Form Feed
3 2 Data 0 4 15 -Error
5 3 Data 1 6 16 -Initialize
7 4 Data 2 8 17 -Printer Select In
9 5 Data 3 10 18 Ground
11 6 Data 4 12 19 Ground
13 7 Data 5 14 20 Ground
15 8 Data 6 16 21 Ground
17 9 Data 7 18 22 Ground
19 10 -Acknowled
g
e 20 23 Ground
21 11 Bus
y
22 24 Ground
23 12 Pa
p
er Em
p
t
y
24 25 Ground
25 13 Printer Select 26 ---- No Connect
Table 3-4 The Printer Adapter Cable Pin Assignments
2 1
J5
Front View
1: VCC (+5V)
2: GND
3: GND
4: +12V
4 3