Using The Status Lights - 3Com 3C10111C - NBX 100 - Modular Exp Base Installation Manual

Verifying an E1 Digital Line Card 143
Using the Status You can use the E1 Digital Line Card status lights to verify that the E1 card
Lights was properly discovered.
3C10165C — After the Auto Discover process has completed, and before
you connect the E1 Digital Line Card to the telephone company's E1 line,
the CF (Carrier Fail) light should appear solid green.
3C10165D — After the Auto Discover process has completed, and before
you connect the E1 Digital Line Card to the telephone company's E1 line,
the POST (Power On Self Test) light and the NCP light should both be
solid green.
For a complete description of all the status lights on the front of the E1
card, see "E1 Digital Line Card" on page 34.
You are now ready to configure the E1 Digital Line Card. See the
NBX Administrator's Guide for instructions.