Справочник Пользователя для D-Link DAS-3224_revB
DAS3series LCT Operation Menus
75
SELT Test
SELT (Single End Loop Test) is single-ended test, meaning that a copper loop is tested from the
DSLAM only, without the need for any external test equipment in either the CO or at the remote end
of the loop. SELT is primarily used for PROACTIVE loop pre-qualification. By knowing in advance if
a loop is capable of supporting ADSL2+. By determining distance, wire gauge and noise, loop
conditions can be fixed prior to rolling a truck to the customer premise. This not only saves time and
money, but also improves customer satisfaction by avoiding “false start” installations.
DSLAM only, without the need for any external test equipment in either the CO or at the remote end
of the loop. SELT is primarily used for PROACTIVE loop pre-qualification. By knowing in advance if
a loop is capable of supporting ADSL2+. By determining distance, wire gauge and noise, loop
conditions can be fixed prior to rolling a truck to the customer premise. This not only saves time and
money, but also improves customer satisfaction by avoiding “false start” installations.
Figure 3-62
SELT Test Dialog
Table 3-46
SELT Testing Dialog
Item
Description
Port selection menu
Please select port from pull down menu
Value
Display various field obtains during SELT test.
DAS3series IP-DSLAM
System Configuration Guide
System Configuration Guide