Dip Switches - HMS Networks Intesis IN485MIT001I000 User Manual

DIP switches

Connection to the AC indoor unit
NOTE
Mount the gateway in the desired place before wiring it.
1. Use the supplied cable to connect the AC unit and the gateway:
IMPORTANT
This cable is 1.50 m (4.9 feet) long. Its modification in length may affect the correct operation of
the gateway.
a. AC unit connection: Plug the end connector, the one on the longest unsheathed part of the cable, into
the socket CN105 (CN92 in some units) of the AC unit control board.
b. Gateway connection: Plug the other end connector, the one on the shortest unsheathed part of the
cable, into the socket labeled as AC Unit.
Connection to the BACnet MS/TP bus
2. Connect the BACnet MS/TP bus to the EIA-485 port of the gateway.
IMPORTANT
Observe polarity: B-, A+, and SG for signal ground.
IMPORTANT
• EIA-485 bus doesn't allow loop or star topologies.
• Maximum length for the EIA-485 bus is 1200 meters (3937 feet).
3. Reconnect all systems to power.
5.3. DIP switches
The gateway includes three DIP switches: SW1 (8 switches) at the bottom and SW2 (8 switches) and SW3 (3
switches) at the top.
IMPORTANT
The DIP switches configuration will only take effect after rebooting the gateway.
USER MANUAL Version 1.2.6
IN485MIT001I000 Gateway
Page 9 of 55