Psion Teklogix 7525M Manuel d'utilisateur Page 104

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Chapter 9: Example: Scanner Converter Board
Serial Scanner Board
94 Psion Teklogix WORKABOUT PRO HDK User Manual
Scan Engine Connector
JP1 is a 12-pin connector that accepts a cable that connects to the scan engine itself. This connec-
tor has different pinouts depending on whether the converter board is configured for Symbol, or
Intermec, scan engines.
16 BAR_PWRWDWN HOST_PWRD
WN
Power-
down from
scanner
device to
WORKA-
BOUT
PRO.
Input H Pulled
up
100 kΩ
17 BAR_TYPE BAR_TYPE Not used. Input B Pulled
up
100 kΩ
18 BAR_WKUP HOST_WKUP Wakeup
signal to
scanner
device.
Output A Low None
19 N/C (Connected to
ground.)
N/A N/A N/A N/A
20 BAR_TRIG HOST_TRIG Trigger
signal to
scanner
device
Output A Low None
21 GND (Connected to
ground.)
Ground Power N/A N/A N/A
22 GND (Connected to
ground.)
Ground Power N/A N/A N/A
Table 9.3 Pinout Of Scan Engine Connector JP1 (Configured For Symbol)
Pin Name On Converter Board Description Direction
1 V+5_BAR +5V supply to scan engine Power
2 V+5_BAR +5V supply to scan engine Power
3 GND Ground Power
Note: “Input” and “output” are relative to the WORKABOUT PRO main logic board.
Table 9.2 Pinout Of Host Scanner Connector (JP2) (Continued)
Pin
Name On
WORKABOUT PRO
Name On
Converter
Board
Description Direction
Active
State
State
During
Device
Sleep
Pull-up Or
Pull-down
Abbreviations:
N/A= not applicable;
A=- according to design requirements of driver and scanner device,
B = both high and low,
L= active low,
H= active high.
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