Nortel Combination Fiber 6 Port Card NTBB25GA

The Nortel Norstar Combination Fiber 6 Port Services Cartridge Expansion card connects fiber trunks and station modules to expand the capacity of the Modular ICS telephone system. It contains the clocking service required to support T1 or ISDN-PRI on the DTI cartridge or an ISDN-BRI Cartridge. It requires the XL or XC software, and fiber connections. The Nortel Norstar Combination Fiber 6 Port Services Cartridge Expansion card comes with a full one year warranty.