3Com NBX, Installation Manual

Page: 35 / 248

NBX Cards and Devices 35
NBX Cards and
Devices
This section lists NBX cards available from 3Com that can you can use
with an NBX system.
Before you install any Analog Line Cards or Digital Line Cards, you may
want to configure the Dial Prefix settings. For information on this topic,
see “Dial Prefix Settings” in Chapter 2 in the
NBX Administrator’s Guide .
Analog Line Card The NBX Analog Line Card connects up to four analog telephone lines
from the Central Office (CO) to the NBX system.
Figure 8 NBX Analog Line Card (3C10114)
Figure 9 NBX Analog Line Card (3C10114C)
Functionally, 3C10114 and 3C10114C are identical. However, 3C10114C
uses different internal components so that 3C10114C requires NBX
software release R4.1 or higher. Each Analog Line Card contains the
following lights and connectors:
■
Status Lights (1 through 4) — Each light shows the status of the
associated line.
Initialization (prior to Release R4.1):
■
All four lights flash in unison — Hardware is initializing.
■
A light flashes on twice, off for 2 seconds — Associated port
has been initialized successfully.
Initialization (Release R4.1 and higher):
■
Fast steady blink — Waiting for software download.
■
Solid on — Software has been downloaded. The flash memory on
the board is being loaded.
3C10114C 3Com NBX Analog Line Card LS
CONSOLE
2
3
4 PFT 1
1 2 3 4