
7.0 Communicating with the IQ-400
The IQ-400 can communicate over a dialup MODEM, an RS232 or an RS485 serial direct
connection or LAN. In a multi-drop IQ-400 configuration, the IQ-400 MUST communicate via
RS-485 protocol.
7.1 Reset the IQ-400 Panel
You may elect to install the supervisory resistors at this time or optionally wait until after on-line
communication has been established to the LiNC-NET Host PC. Set dipswitches 1-8 (located at
SW1) to OFF position as it is etched on the IQ-400 PCB. Hit the reset switch at S1. This will
calibrate and reset data to default, all 14 of the supervised inputs on the IQ-400 PCB and the
supervised Door Senses on the 4/8-Door Cluster PCBs.
Page xlix of 110 IQ-400 Installation Manual 33-10057-001-C
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