4 Interface description
The gateway is sending and receiving data wirelessly to the
remote modules and is wired via an RS485 bus to the air
handling unit .
The Man Machine Interface (MMI) for this product consists of
a button and two LED indicators. One red (the lower) and one
green (top) LED that indicates the status of the gateway.
2
1
1. Green and Red status LED’s.
2. Function button
4.1 Connections
The Systemair air handling unit and the RS485 Gateway are
interconnected by a cable:
• Maximum cable length: 50 m.
RS485 Gateway
User Manual
6
Systemair AB
