
TAC Access to Coprocessor – Overview
106 Application ModuleX Service 12/01
Honeywell
Overview of
activities to
enable TAC
access
There are several distinct tasks required to establish the TAC
communications link to the coprocessor.
• Configure the modem options using switches and internal registers.
• Connect the modem to the WSI2 I/O board.
• Connect the modem to a switched (dialable) telephone line.
• The coprocessor software defaults to the proper configuration of
Serial Port 1 and no coprocessor configuration actions are required.
• Apply power to the modem.
• Establish the telephone connection with TAC under direction of the
TAC engineer.
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