Remote Los And Ais Response; Oct55 Test Pattern With Ami Code - ADC HIGAIN HDSL2 Manual

Testing

Remote LOS and AIS Response

Figure 29 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
HDSL2 Standard Option
Default configurations
are boldface.
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 T1.231-1997.
48
H2TU-R, DS1 Input
YES
LOS event?
NO
NO YES
AIS event?
Figure 29. H2TU-R LOS and AIS Response Priorities
AMI C
ATTERN WITH
October 2, 2000
ENA
TLOS
DIS
NLBP
DIS
RDA
AIS
ENA
LOS
ALMP
AIS
AIS
NAIS
CI
ODE
152-231-116-01, Revision 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-231 List 1F