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4.3.1.3. Binary Block Mode
Data is released in compressed binary blocks. Each 512 byte block will contain a character
count, block header, and data followed by a two byte CRC check sum. Please refer to the
PollCat Advanced Programming Supplement (WTI P/N 11998) for more information on the
Binary Block Mode. The following options are available:
·Enable/Disable Auto Delete Option (^B67)
·Enable/Disable DLE Stuffing Option (^B71)
Notes:
When Binary Block Mode is selected, parameters for the PollCat III Port that is
used to access Command Mode (Computer Port and/or Modem Port) must be set at
8 bits, no parity.
Since the CRC function is always enabled in Binary Block Mode, Command ^B63
(Enable/Disable CRC Function) has no effect.
To select and configure Binary Block Mode, proceed as follows:
1. From the Command Mode, type ^B62,3 [Enter].
2. Auto Delete Option (^B67): PollCat III will delete each data block after the polling
device acknowledges reception.
a) To enable Auto Delete, type ^B67,2 [Enter].
b) To disable this option (Default), type ^B67,1 [Enter].
3. DLE Stuffing Option (^B71): Allows literal 8 bit characters to be inserted into a string
of binary data. After data is released to the polling device, the 8 bit characters can be
retrieved and read. For more information, please refer to the PollCat Advanced
Programming Supplement.
a) To enable DLE Stuffing, type ^B71,2 [Enter].
b) To disable this option (Default), type ^B71,1 [Enter].
4.3.1.4. XMODEM Mode
This mode allows data to be sent using XMODEM protocol. In order to use XMODEM
protocol, the Modem Port must be set at 8 bits, no parity. To select this mode, type ^B62,4
[Enter]. For more information, please refer to Section 9.2.4.
4-9
PollCat III - Pollable Call Accounting Terminal, User's Guide Program Set-Up
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