ADSL2 DELT Test
DELT is primarily used for reactive tests on a loop after a CPE has been deployed, either to help troubleshoot a line or to capture a baseline of loop characteristics at the time of installation. DELT can determine the ADSL2+ data rate (up/down), loop attenuation (up/down), SNR (up/down), and noise (up/down).
Figure 7-3 ADSL2 DELT Run & Report Dialog
Item
Description
Port selection menu | Please select a port to perform DELT. |
|
|
Operation State | This object identifies the high level operational state for the ATU. |
| Here is the state flow: |
| data (Click START) > handshake > discovery > delt Training > delt (Diagram is |
| displayed) |
|
|
ATUC Attainable net data rate | Indicates the maximum currently attainable data rate by the ATU. This value will be |
| equal to, or greater than the current line rate. (Downstream) |
|
|
ATUR Attainable net data rate | Indicates the maximum currently attainable data rate by the ATU. This value will be |
| equal to, or greater than the current line rate. (upstream) |
|
|
Upstream HLIN | The |
| values in linear scale. (Not available for ADSL and ADSL2plus) |
|
|
Upstream HLOG | The |
| in dB. (Not available for ADSL and ADSL2plus) |
|
|
Upstream QLN | The |
| in dB. (Not available for ADSL and ADSL2plus) |
|
|
Downstream HLIN | The |
| in linear scale. (Not available for ADSL and ADSL2plus) |
|
|
Downstream HLOG | The |
| dB. (Not available for ADSL and ADSL2plus) |
|
|
Downstream QLN | The |
| dB. (Not available for ADSL and ADSL2plus) |
|
|
| Table |
YML856 Rev3 | NCT480 IP DSLAM User Guide |
www.netcomm.com.au | 1 |
