Nortel Norstar T-1 DTI Digital Trunk Interface Card (NT7B74AAAA) (REFURBISHED)

Nortel Norstar T-1 DTI Digital Trunk Interface Card (NT7B74AAAA) (REFURBISHED)

Nortel Norstar T-1 DTI Digital Trunk Interface Card (NT7B74AAAA) (REFURBISHED)

The NT7B74 Digital Trunk Interface Card adds a T-1 to your Norstar Modular ICS Cabinet. This provides for up to 24 digital T1 or ISDN-PRI channels on your system. It comes fully equipped with a built in CSU (Channel Service Unit) to support the integrity of digital signaling. This cartridge requires either the Service Card (NTBB24) or the 6 Port Fiber Combination Expansion Card (NTBB25). The core Modular ICS unit can support up to two Digital Trunk Cartridges for a total of up to 48 T1 or ISDN-PRI (digital) lines. If you wish to use three T1 cards on an MICS, the third card must be an NT7B74AAAA version and used by itself in one fiber trunk module.

Add a T-1 to your Modular ICS unit Requires a Service Card or 6 Port Combo Card Negates the need for DID cards for target path numbers Comes with built-in Channel Service Unit


Manufacturer

Nortel

Service & Support

1 year