Norstar MICS & CICS Digital Trunk Interface Card (T-1) REFURB NT7B74
Digital Trunk Interface Card (T-1) REFURB
Description 24 digital T1 or ISDN-PRI channels with built-in Channel Service Unit (CSU). Core Modular ICS can support up to two DTIs for a total of 48(digital) lines. DTIs cannot be installed in Trunk Modules. Requires either the Services Cartridge or the Combination Fiber 6-Port Services Cartridge. Compatible with the MICS only ISDN-PRI Enabler Key Code is required in order to configure the Digital Trunk Cartridge as a PRI Card.