ADC 2 - Page 30

Loopback Operation in HiGain Systems LTPH-UM-1234-01
24 April 30, 2003 HDU-409 Lists 1, 2, and 3
Figure 6. HiGain Loopbacks
For more information about other doubler loopback commands, see the
appropriate HLU user documentation.
All ones
All ones
All ones
SPAN 1 SPAN 2
CDU1
4-in-6
111100
SPAN 3
SPAN 4
CDU1
4 in 6
111100
HDU-409
NDU4
1010010
CDU1
HDU-409
SPAN 3
NDU3
1010001
SPAN 1
CDU1
4 in 6
111100
HDU-409
SPAN 4
NDU2
SPAN 2
CDU1
4 in 6
111100
HDU-409
2-in-6
110000
NDU1
HDU
HDU
HDU HDU HDU
3-in-6
111000
SPAN 5
All ones
HLU
All ones
HDSL SPAN
HLUHLUHLUHLU
1111100
All ones
HDSL SPAN
1111110
HLUHLUHLU
HLU
CREM
6-in-7
HRU-412
5 IN 7
CLOC
HRU-412
HDSL SPAN
HLUHLUHLU
HRU-412
4-in-7
HRU-412
5 IN 7
CLOC
HRU-412
HRU-412
5 IN 7
CLOC
HRU-412
HRU-412
5 IN 7
CLOC
HRU-412
HRU-412
5-in-7
CLOC
All ones
HLUHLUHLUHLUHLUHLUHLUHLUHLUHLUHLUHLUHLUHLUHLUHLU
HLU
1111000
NLOC
HRU-412
HDSL SPAN
HLUHLUHLU
HRU-412
HRU-412
1110000
3 in 7
NREM
HRU-412
HRU-412
HRU-412
HRU-412
HDSL SPAN
HDSL SPAN
HLU
HLU
HLU
HLU
HLU
HLU
HRU-412
HRU-412
HRU-412
HRU-412
HRU-412
HRU-412
1110000
11000
3-in-7
2-in-5
HLU
HLU
NREM*
SMJK*
TLOS
HRU
HRU
HRU
HRU
HRU
LOGIC
HLU
CDU2
5-in-6
111110
CDU3
1011001
SPAN 4 SPAN 5
LoopbacksToward Customer
CI-Customer Interface
DSX-1
LoopbacksToward Network
* Set the SAIS option to ENA to send AIS (indicated by an all ones pattern) to the CI during SmartJack loopback, NREM, and TLOS.
Use the 3-in-5 code to loop down.
CDU4
1011010
HDU HDU HDU
HRU
HRU
HRU
All ones
H0082-A