LAARS Gateway LER - Manual - Manual (Page 7)

The LAARS Gateway LER and RER Startup Guide Page 7
LAARS Gateway Startup Guide Page 7 of 32
LAARS Heating Systems Company, 20 Industrial Way, Rochester, NH 03867 USA
Web: www.laars.com Toll Free: (800) 900-9276
NOTE: When setting DIP Switches, please ensure that power to the board is OFF.
2.3.2 Setting the Serial Baud Rate (DIP Switch B0 – B3) for BACnet MS/TP & Metasys N2
 DIP Switches B0 – B3 can be used to set the serial baud rate to match the baud rate provided by the
Building Management System for BACnet MS/TP.
 Metasys N2 is always defaulted to 9600 baud and the B bank is disabled.
B0 B1 B2 B3
Figure 2: B0 – B3 DIP Switches
2.3.2.1 Baud Rate DIP Switch Selection
Baud B0 B1 B2 B3
9600
On On On Off
19200 Off Off Off On
38400 On On Off On
57600 Off Off On On
76800 On Off On On
2.3.3 Using S0 – S3 bank of DIP Switches to select and load Configuration Files
 The S bank of DIP switches, S0 - S3 is used to select and load a configuration file from a group of
pretested/preloaded configuration files which are stored in the Gateway RER (BACnet MS/TP, BACnet/IP
and Metasys N2) and LER (LonWorks).
S0 S1 S2 S3
Figure 3: S0 – S3 DIP Switches
2.3.3.1 S0 – S3 DIP Switch Configuration Settings
A. BACnet MS/TP, BACnet/IP and N2 for the Mascot II, NeoTherm, and NeoTherm LC
S Bank DIP Switches
H2355100A