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Access keyboards ATB 420/421 Multi-Function Keyboard Product Specification and Service Guide
2.6
Auxiliary RS232 Interface Port
Data Input
Parity
The auxiliary R232 port connection of industry standard external OCR reader, decoded barcode
scanner or RS232 device. A +5 Volt, 150Ma power supply is available on pin 9 of a 9 PIN D type
connector
2.7
Integrated 'dual illumination' OCR Reader
Data Source
Data Standards
Data Output
Media thickness
Swipe Velocity
Response time
Read direction
Construction
MTBF
Read head life
Diagnostics
The OCR reader outputs data read from a machine readable document in ASCII. If a letter is not
readable it will substitute this character with an *. If the OCR reader is unable to decode a
document it will output a single line of 30 * characters.
2.8
Bi-colour LED
The Bi-colour LED is used to provide status indication to the user.
Red
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©
Rev 6
Access Keyboards 2001 & 2002 - All rights reserved
All manuals and user guides at all-guides.com
:
Standard ASCII RS232
Configurable settings
9600 Baud,
7 Bit or 8 bit
No Parity or Even
One Stop
:
Machine Readable Passports (MRP)
2 lines of 44 characters
Machine Readable Visas (MRV)
2 lines of 44 characters
2 lines of 36 (size II)
Machine Readable Travel Cards
2 lines of 36 (size II) & 3 lines of 30 (size I) characters
Stock control number and document number of ATB 2's
IATA 2 of 5 barcode of TAT's
:
Conforming to ICAO Document 9303
IATA Recommended Practice 1720a
:
Standard ASCII
:
1.25mm
:
10 - 40 cm/sec
:
0.9 – 1.4 seconds
:
Right to left
:
Integrated into keyboard housing
:
100,000 operating hours
:
500,000 passes
:
Internal self test upon power up
Red and Green LED for data read and audible
sounder.
Pin NO Signal
1
2
3
4
5
6
7
9 pin D type Male
8
9
Page 10 of 37
Free
RXD input
TXD output
DTR output
Ground
DSR input
RTS output
CTS input
+5V
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