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

Testing

Remote LOS and AIS Response

Figure 30 shows the different ways the HDSL2 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. In an SF or
ESF framing mode, excessive zero anomalies may occur, which causes the H2TU-C to report ES, SES, and UAS
errors according to ANSI T1.231-1997.
50
H2TU-R, DS1 Input
YES
LOS event?
NO
[DIS]
NO YES
AIS event?
Figure 30. H2TU-R LOS and AIS Response Priorities
AMI L
ATTERN WITH
[ENA]
TLOS
NLBP
[DIS]
RDA
[AIS]
[ENA]
[LOS]
ALMP
[AIS]
[AIS]
NAIS
[CI]
C
INE ODE
June 28, 2002
LTPH-UM-1161-01
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
H2TU-C-202 List 3F