MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Quad basic rate isn (bri) moduolecontains four isdn s/t interfaces and combines with other atlas 550 components to implement an isdn access switch; the quad bri module can emulae the isdnetwork to other isdn access devices (nt mode) that support the s/t-interface such as routers, video codecs, terminal adapters, and network termination units; downstream speed 160 kbps
