2 Equipment Description
2.26 UCN Cable System
R688 HPM High-Performance Process Manager Service 141
December 2020 Honeywell
Cable tap types
The cable taps used on the UCN are available in 2-drop, 4-drop, and 8-drop models as illustrated in the
following figure.
Figure 67 UCN Taps
2077
Cable tap usage
Two-drop cable taps are used for connecting the UCN to a redundant or nonredundant High-Performance
Process Manager at a location. Four-drop cable taps are used when there are two redundant
High-Performance Process Managers (four HPMMs), or multiple nonredundant HPMs at a location. The
eight-drop cable tap supports up to four redundant (eight HPMMs) or eight nonredundant
High-Performance Process Managers at a location.
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