Cisco ASR 1000 Series

BERT Pattern Descriptions
The following tables describe the supported BERT patterns on the 1-Port Channelized OC-3/STM-1 SPA and
1-Port Channelized OC-12/STM-4 SPA.
Table 26: DS1/T1/E1 BERT Patterns
DescriptionPattern
All 0’s in the test pattern (...000...).
0s
8-bit test pattern where 1 out of 8 bits is set to 1.1-in-8
All 1’s in the test pattern (...111...).
1s
Pseudorandom 1 test pattern that is 2,048 bits in
length.
2^11
Pseudorandom 1 O.151 test pattern that is 32,768 bits
in length.
2^15
Pseudorandom 1 inverted O.151 test pattern that is
32,768 bits in length.
2^15-inverted
Pseudorandom 1 O.153 test pattern that is 1,048,575
bits in length.
2^20-O153
Pseudorandom 1 quasi-random signal sequence
(QRSS) 0.153 test pattern that is 1,048,575 bits in
length.
2^20-QRSS
Pseudorandom 1 O.151 test pattern that is 8,388,607
bits in length.
2^23
Pseudorandom 1 inverted O.151 test pattern that is
8,388,607 bits in length.
2^23-inverted
Pseudorandom 1 O.150 test pattern that is 511 bits in
length.
2^9
24-bit test pattern where 3 out of 24 bits is set to 1.3-in-24
Repeating test pattern of alternating 0’s and 1’s
(...01010...).
alt-0-1
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
316 OL-14127-17
Configuring the 1-Port Channelized OC-3/STM-1 SPA and 1-Port Channelized OC-12/STM-4 SPA
Optional Configurations