LAARS Gateway LER - Manual - Manual (Page 11)

The LAARS Gateway LER and RER Startup Guide Page 11
LAARS Gateway Startup Guide Page 11 of 32
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3.3 Wiring the Gateway RER to RS-485 BACnet MS/TP or Metasys N2 Field Protocol
 Connection from Gateway RER to BACnet MS/TP and Metasys N2 networks
 The Field Protocol can be connected to the 3-pin connector on Gateway RER as shown:
Figure 5: Connection from Gateway to RS-485 Field Protocol –BACnet MS/TP or Metasys N2
 See Section Error! Reference source not found. for information on connecting the Gateway RER to
ACnet/IP of Modbus TCP network.
 If the Gateway is the last device on the BACnet MS/TP or Metasys N2 RS-485 trunk, then the End-of-line
termination needs to be enabled. The default is off.
Figure 6: End-of-line termination on from Gateway to RS-485 Field Protocol – BACnet MS/TP or Metasys N2.
End-of-Line Switch
H2355100A