User`s guide

6-6 DL3100 User’s Guide—November 1998
6
▼ Select DTE/Network Loopback and use the space bar to toggle
to Off. With Off in the display, select ConÞrm and press
Return.
Running Tests from the Front Panel
The front panel Test menu is broken down into three submenus:
¥ Network Tests Menu
¥ HSDB/HVDB (1,2, or 3)Tests Menu
For more information on running tests from the front panel, refer to ÒUsing
the Test MenuÓ on page 7-18 in Chapter 7, ÒUsing the Front Panel Interface.Ó
To access the Test Menu, continue pressing the down arrow from the Main
Menu (EFS XX.XX PERCENT) until Test appears in the display, and press
Enter. Use the up and down arrows to toggle through the submenus.
Running Network Tests
You use the Network Tests Menu to run network loopback tests and DTE
loopback tests from the front panel. To access the Network Tests Menu,
press ENTR from the Test Menu. Press the down arrow until Network Tests
appears in the display and press ENTR. Toggle between the two tests.
To initiate a network loopback from the front panel, press ENTR when Net
Loopback appears in the display.
To end the loopback, press ENTR again while still in the Net Loopback
Menu.
NOTE: Pressing the up and down arrows simultaneously terminates all
tests or loopbacks.
NOTE: Whenever a loopback is in operation, a plus sign (+) will
appear in the display after the name of the loopback, and the front
panel TEST LED will light red.
NOTE: You can cancel a test or loopback from any place in any menu
by pressing the up and down arrows simultaneously. However, this will
cancel all tests and loopbacks currently in progress.