Remote Los And Ais Response; Oct55 Test Pattern With Ami Line Code - ADC H4TU-C-231-L5A User Manual

LTPH-UM-1253-01

Remote LOS and AIS Response

Figure 26 shows the different ways the H4TU-R can respond to the network, depending on the setting of the
NLBP, TLOS, RDA, and ALMP configuration options described in
Remove alarm
pattern
Standard Option
ADC Option
Default configurations are in bold.
OCT55 T P
EST
The OCT55 test pattern can be used in unframed mode to stress the system and verify data integrity. In an SF or
ESF framing mode, excessive zero anomalies may occur, which causes the H4TU-C to report ES, SES, and UAS
errors according to ANSI T1.231-1997.
H4TU-C-231 List 5AA
H4TU-R, DS1 Input
YES
LOS event?
NO
NO YES
AIS event?
Figure 26. H4TU-R LOS and AIS Response Priorities
AMI L
ATTERN WITH
October 15, 2003
Table 5 on page 15
AIS
NLBP
ENA
TLOS
DIS
DIS
RDA
ENA
LOS
ALMP
AIS
C
INE ODE
and Table 6 on page
AIS to CPE
LOS to CPE
LOS
Loopback to Network
Pass on LOS to
Network, no alarm
report
Pass on LOS to
Network
AIS to Network
Testing
16.
41