2 Equipment Description
2.27 EUCN Cable System
152 HPM High-Performance Process Manager Service R688
Honeywell December 2020
Table 18 UCN Node (PM/APM/HPM) Cable Faults (Primary NIM node is an ENB)
Note: PM/APM/HPM are UCN nodes and hence the $FTESTS displays are not applicable.
[1]
Note: The A SIL, B SIL, A NSY, and B NSY indications only appear for an instant and then shows
blank due to node failure.
Note: If any SIL or NSY bits are set, then the corresponding cables are backlit on the UCN Status
Display, if the UCN CABLE STATUS target is chosen.