Supports four ISDN-BRI S/T Interfaces per cartridge
Compatible with Compact ICS core and Modular ICS core and Fiber Trunk Module
Interfaces can be individually configured to be a network interface or a station side equipment interface - use on the network side requires a customer supplied NT1 interface device
Requires either the Services Cartridge or the Combination Fiber 6-Port Services Cartridge on the Modular ICS
LED on cartridge faceplate gives visual indication of circuit status (activated or deactivated)