Polycom SpectraLink RCO400 - Manual (Page 13)

PN: 1725-36122-001_N.doc 13
SpectraLink 6000 System
Components
The Master Control Unit
The Master Control Unit is the processing center for calls to and from
the SpectraLink 6000 System. It consists of at least one primary shelf
(MCS300) and may have up to 19 expansion shelves. Residing
adjacent to the telephone switching equipment, the MCU operates as
a standalone, external system while maintaining full PBX
functionality for handset users.
The MCU connects to the telephone system in two ways. The MCU
can either interface with analog ports of the host telephone system or,
in many cases, connect directly to the telephone system (PBX or
key/hybrid system) via a digital interface. A digital interface provides
the advantage that all switch features, such as call party name display
and multiple line appearances, are preserved for the end user.
The MCU provides connectivity from the telephone switch to the
wireless system components. Telephony ports for each handset are
commissioned from the telephone switch. Base Stations, which
provide the wireless link to the handsets, are wired directly to the
MCU.
The SpectraLink 6000 System topology
Components in the SpectraLink 6000 System are designed in a star
topology. At the center is the SpectraLink 6300 MCU. The primary
shelf contains the system controller, which manages the call
processing for the wireless network. Additional expansion shelf
controllers manage intra-shelf calling and work with the system
controller to pass calls within the wireless network and to the
telephony switch. All shelves provide universal slots for up to ten
Interface Modules. Interface Modules connect Base Stations and
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