Table 18 Ucn Node (Pm/Apm/Hpm) Cable Faults (Primary Nim Node Is An Enb) - Honeywell HPM Service

2 Equipment Description
2.27 EUCN Cable System

Table 18 UCN Node (PM/APM/HPM) Cable Faults (Primary NIM node is an ENB)

Error scenario UCN COMM STATUS
A
No UCN coaxial
SIL
cable problems
A
If UCN cable A
SIL
on a
PM/APM/HPM
*
node has a
problem
A
If UCN cable B
SIL
on a
PM/APM/HPM
node has a
problem
A
If both UCN cable
SIL
A and B on a
PM/APM/HPM
[1]
*
node have a
problem
Primary fails,
Secondary takes
over as the
primary
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.
152
CABLE STATUS
B A B
SIL NSY NSY
UCN: OK/BACKUP
LCN: OK/BACKUP
B A B
SIL NSY NSY
UCN: OK/BACKUP
LCN: OK/BACKUP
B A B
SIL NSY NSY
UCN: OK/BACKUP
*
LCN: OK/BACKUP
B A B
SIL NSY NSY
[1]
* PARTFAIL/OFFNET
LCN: OK/BACKUP
HPM High-Performance Process Manager Service
Honeywell
UCN CABLE $FTESTS2
STATUS/FTE
(PM/APM/HPM
with cable faults)
OK/OK
N/A
FAIL/OK
N/A
FAIL/OK N/A
OK/OK N/A
UCN:
$FTESTS2
displays displays
(all other
EUCN nodes)
N/A
N/A
N/A
N/A
December 2020
R688