Trane Tracer Summit - Page 50

Chapter 5 UCM communication link wiring and topology
38 BMTX-SVN01C-EN
Figure 19. Branch configuration for Comm3/Comm4 wiring (Comm3
shown)
Figure Note:
For Comm3 communication, termination resistors (270–330 Ω) may be needed on the devices at the end of each
branch.