Vertiv Liebert iCOM - Page 151

Configuring BACnet MSTP Protocol
1. Touch , then > BMS & Teamwork > IS-Unity  Setup > Protocols > BACnet > BACnet IP.
2. Set the BACnet MSTP Node ID.
• The Node ID defaults to 1, but must have a value from 0 to 127 that is unique among devices connected
through the RS-485 interface.
3. Set the BACnet MSTP data rate.
4. Set the BACnet MSTP max master address.
5. Set the BACnet MSTP max info frames.
6. Touch Save.
7. Restart Unity:
a. Touch , then > BMS & Teamwork > IS-Unity  Settings.
b. Touch Restart IS-Unity., then touch Yes.
BACnet MSTP Settings
Node ID
The BACnet server’s MS/TP node ID (MAC).
Data Rate
The BACnet MSTP communication rate (bits per second).
Max Master Address
The maximum node ID (MAC) in use on the MS/TP network.
Max Info Frames
Maximum number of information frames this node may send before it must pass the token.
8 External Monitoring andBuilding ManagementSystems
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Vertiv™ Liebert® iCOM™Installer/User Guide