The zone coordinator uses RS-485 electrical communication protocol for bus communication. See Figure 1 and Table 1 for more information.
Note: Use 20 AWG - 22 AWG wire to make the bus connections.
Note: Both buses require wires to the +, -, and COM terminals.
Connection | Communications | Port type |
---|---|---|
BAS port J12 | System bus (BS bus) | RS-485 |
Connected services port J11 | Zone bus (CS bus) | RS-485 |
BAS RJ Jack | Troubleshooting (temporary connection only) | RJ-12 |
Note: For more information on connecting the Verasys Zone Coordinator to the Smart
Building Hub (SBH) and troubleshooting, refer to the Ethernet Port section of
the Smart Building Hub Installation Guide (Part No. 24-10737-00237) and
the Verasys System User’s Guide (LIT-12012371).