Mitel Main Control Card III 9109-610-202-NA

Performs call processing and maintains overall control through communication with up to 7 Bay Control Cards. 4 megabytes of RAM, 1 megabyte of non-volatile RAM (NVRAM), a System ID Module, a DX module set, tone receivers, 7 DSP Receivers for conferencing, and DTMF tone generation. Only available with a Stratum 3 clock. Installed in a universal cabinet, enables the Triple FIM Carrier card to provide 3 links per peripheral cabinet. Can support up to 768 Port Software.

Compatible with: SX-200ML and SX-200EL.