Contemporary Control Systems BASrouter Installation Guide (Firmware 2.x) - Manual (Page 9)

TD071200-0IK
9
Figure 8 — 3-wire MS/TP Bus with Shared Power Source
For MS/TP devices that use a power source separate from the
BASRT-B, see Figure 9 for proper 2-wire bus connections and
Figure 10 for proper 3-wire bus connections.
Figure 9 — 2-wire MS/TP Bus with Separate Power Sources