Remote Los And Ais Response; Oct55 Test Pattern With Ami Code - ADC H2TU-C-202 User Manual

LTPH-UM-1072-03

Remote LOS and AIS Response

Figure 31 shows the different ways the H2TU-R can respond to the network, depending on the configuration of
the TLOS, NLBP, RDA, ALMP, and NAIS configuration options described in
page 17.
Remove alarm
pattern
ADC Option
Standard 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 without
creating any line errors. When a framed OCT55 test pattern is used, excessive zero anomalies may occur which
cause the H2TU-C to report ES, SES, and UAS errors according to ANSI T1.202-1997.
H2TU-C-202 List 2F
H2TU-R, DS1 Input
YES
LOS event?
NO
[DIS]
NO YES
AIS event?
Figure 31. H2TU-R LOS and AIS Response Priorities
AMI C
ATTERN WITH
October 25, 2002
[ENA]
TLOS
NLBP
[DIS]
RDA
[AIS]
[ENA]
[LOS]
ALMP
[AIS]
[AIS]
NAIS
[CI]
ODE
Table 5 on page 16 and Table 6 on
Loopback to Network
[LOS]
LOS to CPE
AIS to CPE
Pass on LOS to NET
Send AIS to NET
Send AIS-CI to NET
Testing
51