Overview of NBX Cards and Devices 29Overview of NBXCards and DevicesThis section lists all of the NBX devices that can be used with either theSuperStack 3 NBX or the NBX 100 system. Not all cards may be availablein every region.Before you install any Analog Line Cards or Digital Line Cards, you maywant to configure the Dial Prefix settings. For information on this topic,see “Dial Prefix Settings” in Chapter 2 in the NBX Administrator’s Guide orthe NBX NetSet Help at Dial Plan > Operations > Dial Prefix Settings.Analog Line Card The NBX Analog Line Card connects up to four analog telephone lines tothe NBX system. The SuperStack 3 NBX system can support up to 180 linecards (720 CO telephone lines) using multiple NBX Gateway chassis. TheNBX 100 system can support up to 25 line cards (100 CO telephone lines)using multiple NBX 100 chassis.Figure 6 NBX Analog Line Card (3C10114)Figure 7 NBX Analog Line Card (3C10114C)Functionally, 3C10114 and 3C10114C are identical. However, 3C10114Cuses some different internal components so that 3C10114C requires NBXsoftware 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 theassociated 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 porthas been initialized successfully.3C10114 3Com NBX Analog Line CardCONSOLE2 3 4PFT 11 2 3 43C10114C 3Com NBX Analog Line Card LSCONSOLE2 3 4PFT 11 2 3 4