Coral FlexiCom 6000 Installation Manual
Common Control Cards
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Comm
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8.1
Common Control Shelf
General Description
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The Coral FlexiCom 6000 system provides a Hot Standby Dual Control System which
offers a significant measure of system reliability and protection by assuring non-stop
operations despite the possible failure of any control component. The redundant Coral
FlexiCom 6000/R includes two complete sets of control hardware, each able to
perform the control operations of the entire system. Independently, the two sets
function interchangeably making it possible for either set to take over control
functions automatically in the event of malfunction to any portion of the control
system. Similarly, the readily available second control system facilitates maintenance
needs so that when periodic routine maintenance procedures are carried out, there is
no interference to the continuity of the system operations.
The Common Control portion of the Coral system provides the control mechanism for
establishing audio and data connections or calls via the PCM bus between Peripheral
I/O ports in the system.
Common Control is divided into five different functions:
Main Processor
Generic Feature Memory
Database Memory
Mirrored Memory and Switching Matrix
Peripheral Bus Interface or Group Controller
Each standard Coral Common Control card set includes an MCP-ATS Main Processor,
a 32GC card, and an SAU unit. Some Coral systems may also include dual CLA-ATS
card(s) and/or 4/8XMM expanded memory card(s) which are provided in separate
packaging and require installation in the control shelf.
The MCP-ATS card is the main control processor of the system. The 32GC card serves
as a communication link in the system, between the control cards and the PB-ATS
cards located in peripheral shelves. The 32GC card contains the clock circuitry to
synchronize the peripheral section of the system, digital tone generators (dial, busy,
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General Information
