The Modular ICS Combination Fiber 6-Port Services Cartridge NTBB25 connects additional Fiber Trunk and/or Station Modules to expand the core capacity of a Modular ICS equipped with XL or XC software to a maximum of 12 expansion ports (272 total ports maximum configuration).
This cartridge also contains the clocking service required to support T1 or ISDN-PRI on a DTI cartridge or an ISDN-BRI Cartridge.
The Combination Fiber 6-Port Services Cartridge fits into slots B and C of the Modular ICS and works with XC software, and regular DR 1.1 and later software. Requires fiber connections.
