ADC HiGain H2TU-C-319 List 4E - Manual (Page 68)

Testing LTPH-UM-1049-02, Issue 2
60 January 9, 2002 H2TU-C-319 List 4E
Figure 32. Loopback Modes
All ones
All ones HDSL2 SPAN
C742 ‡
All ones HDSL2 SPAN
D3D3 ‡
HLU HLU HLU
CREM
HRU-412 5 IN 7
CLOC
HRU-412
HDSL2 SPAN HLU HLU HLU HRU-412
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
CLOC
All ones
HLU HLU HLU HLU HLU HLU HLU HLU HLU HLU HLU HLU HLU HLU HLU
D3D3 ‡ NLOC
HRU-412 HDSL2 SPAN HLU HLU HLU HRU-412 HRU-412 3 in 7
NREM
HRU-412
HRU-412
HRU-412
HDSL2 SPAN
HDSL2 SPAN
HLU
HLU
HLU
HLU
HLU
HLU
HRU-412
HRU-412
HRU-412
HRU-412
C742 ‡
H2TU-C
H2TU-C
NREM*
TLOS*
LOGIC
Loopbacks Toward Customer
CI-Customer Interface
DSX-1
Loopbacks Toward Network
* Set the NLBP option to AIS to send AIS (indicated by an all ones pattern) for any network loopback.
H2TU-R
H2TU-R
H2TU-R
H2TU-R
H2TU-R
All ones H2TU-C
H2TU-C
H2TU-C
H2TU-C
FF02
1110000 3-in-7
FF1E
1111000
3F1E
6-in-7
1111110
3F02
1111100 5-in-7
✝
✝
✝
✝
✝
A3LB and A4LB loopback codes.
‡ A2LB loopback code.
4-in-7
GNLB loopback codes.
All ones HRU-412 HRU-412 HRU-412
11000
1-in-6
SMJK*
H2TU-R
2-in-5
1000000