Hardware Technical Reference Manual
• Stratum 3 Clock: provides synchronization for digital connections to external networks.
• Power supply: supplies power to the controller
Optional Components
The following modules can be installed to increase capacity, expand functionality or improve
reliability (see page 30):
• Quad Digital Signal Processor (DSP) Mitel Mezzanine Card (MMC)
• DSP II MMC
• Echo Canceller Module
• Quad CIM (Copper Interface Module) MMC
• Dual Fiber Interface Module (FIM) MMC
• 4 + 12 port combo card and 16 port ONS card (AX)
• Dual T1/E1 Framer MMC
• T1/E1 Combo Card (Rel 6.0, CX/CXi only; Rel 7.0, CX/CXi, MX, MXe, and LX)
• Quad BRI Framer MMC
• Analog Main Board/Analog Option Board (AMB/AOB) (CX and MX controllers only)
• 4 GByte flash card for voice mail message storage (AX only)
• Application Processor Card - APC-CX(i) (CX/CXi only)
• Application Processor Card - APC-MXe (MXe Server only)
• RAID controller and additional hard drive
• Redundant power supply
AX Controller
The AX controller is ideal where a high density of analog devices is required. There are two
typical system configurations, standalone and networked, although as with any system, these
functions may be mixed.
• The AX supports up to 48 T1 or 60 E1 on-board digital trunks, up to 100 IP phones, and
288 analog phones (maximum 300 devices).
• The AX controller will support a second AC Power Supply Unit.
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