Honeywell W7761A - Manual (Page 19)

EXCEL 10 W7761A INPUT/OUTPUT DEVICE
19 74-2699
NOTE: For wiring details see the E-Bus Termination Module subsection in Step 4. For wall module wiring, US part AK3782
(non-plenum) or US part AK3792 (plenum) can be used. These cables contain two twisted pairs (one for the run down
to the wall module, and one for the run back up to the controller) for ease of installation.
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Fig. 9. Bus wiring layout for doubly terminated daisy-chain E-Bus segment.