MagTek MT-211232 RS-232 3-TRACK - Manual (Page 8)

RS-232 Swipe Reader, 3-Track
2
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On/Off switch for SS (Start Sentinel) and ES (End Sentinel) framing track characters
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On/Off switch for CR (Carriage Return)
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Two way card reading
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Generates an audible beep when reading is successful and three beeps when unsuccessful
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Reads encoded data that meets ANSI/ISO/CDL/AAMVA standards
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External power supply
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Power Supply Adaptor, 115VAC input, Part Number 64300021, included
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ASCII Message Format
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Two-color LED; green for ready to read, red for error
MODES OF OPERATION
The two modes of operation are unbuffered and buffered. The switch setting to select the mode
is shown in Section 3. The Reader must be turned off when selecting either the buffered or
unbuffered mode.
Unbuffered Mode
In the unbuffered operating mode, data from the Reader is automatically sent to the host without
being requested. When a card is passed through the Reader, data is transmitted immediately and
is not retained.
The Reader does not need to receive commands from the host in order to transmit data.
However, the Reader does respond to an Inquiry Command by sending an ASCII “R”. (See Host
to Reader Commands and Reader to Host Commands in Section 3.) An example of the use of an
Inquiry Command would be to determine whether the power is on at a remote MT-211232.
Buffered Mode
In the buffered operating mode, the Reader stores the card data in a memory buffer and does not
transmit any data to the host until an Inquiry Command is received. Upon receipt of an Inquiry
Command, data is transmitted to the host. If no data is present in the memory buffer, only the