Loopback Modes - ADC HiGain H2TU-C-202 Manual

LTPH-TP-1005-02, Issue 2
HLU HLU HLU
H2TU-C
H2TU-C HLU HLU HLU
H2TU-C
HLU HLU HLU
FF1E
NLOC D3D3 ‡
1111000
4-in-7
HLU HLU HLU
H2TU-C
3F1E
CREM
D3D3 ‡
1111110
6-in-7
All ones HLU HLU HLU
H2TU-C
HLU HLU HLU HLU HLU HLU HLU HLU HLU HLU HLU HLU HLU HLU HLU
All ones
H2TU-C
* Set the NLBP option to AIS to send AIS (indicated by an all ones pattern) for any network loopback.
=
A3LB and A4LB loopback codes.
‡ A2LB loopback codes.
GNLB loopback codes.
H2TU-C-202 List 3E
Loopbacks Toward Network
HDSL2 SPAN
HDSL2 SPAN
HDSL2 SPAN
=
HDSL2 SPAN
=
Loopbacks Toward Customer
HDSL2 SPAN
HDSL2 SPAN
Figure 30. Loopback Modes
February 28, 2001
TLOS*
HRU-412 HRU-412
LOGIC All ones
HRU-412
H2TU-R
SMJK*
11000 2-in-5
HRU-412 HRU-412
HRU-412 All ones
100000 1-in-6
H2TU-R
=
FF02
NREM NREM*
C742 ‡
HRU-412 HRU-412 HRU-412 HRU-412 3-in-7
3 in 7
1110000 HRU-412 HRU-412 All ones
HRU-412
H2TU-R
CLOC
HRU-412 HRU-412 H2TU-R
5 IN 7
All ones
HRU-412
H2TU-R
=
3F02
CLOC CLOC CLOC CLOC
C742 ‡
1111100 5-in-7
HRU-412 HRU-412 HRU-412 HRU-412
5 IN 7 5 IN 7 5 IN 7
H2TU-R
HRU-412 HRU-412 HRU-412
Testing
49