Specifications

MCD System Functionality

This chapter describes MCD system functionality. For details on system configurations, refer

to the Mitel Communications Director Engineering Guidelines. For detailed descriptions of

hardware components, refer to the Mitel Communications Director Hardware Technical

Reference Manual.

3300 IPC Hardware Overview

3300 ICP Controllers provide the voice, signaling, central processing, and communications

resources for the system.

Figure 14: 3300 ICP Controllers — Scaling to Site Requirements

Mitel offers five types of controllers that scale to meet the requirements of small-to-large sites:

• CX II and CXi II Controller: 2nd generation versions of the CX and CXi controllers that

provide support for up to 150 devices without the need for additional DSP resources

• AX Controller: optimized for analog devices, this unit supports a maximum of 100 IP

devices or a maximum of 288 ONS devices (or a combined maximum of 300 devices). Note

that when installed in a low traffic environment (for example, Hospitality), the AX can support