User's Manual

v
12/1/01 68P80801D55-A
Functional Theory of Operation (Low Pass Filter Board) page 17.........................
RF Signal Path page 17......................................................................
Forward/Reverse Power Detect Circuitry page 17................................................
STATION CONTROL CIRCUITRY
STATION CONTROL MODULE (CLN1614) 68P81096E87...............................
Description page 1....................................................................
General Description page 1....................................................................
Overview of Circuitry page 2...................................................................
Controls, Indicators, and Inputs/Outputs page 4........................................
Functional Theory of Operation (CLN7060A Control Board) page 6.......................
Host Microprocessor/Host ASIC Circuitry page 6.................................................
Non-Volatile Memory page 7..................................................................
DRAM Memory page 7........................................................................
External Line Interface Circuitry page 8..........................................................
Digital Signal Processor (DSP) and DSP ASIC Circuitry page 9.....................................
Station Reference Circuitry page 10............................................................
HDLC Bus Control Circuitry page 10...........................................................
Audio Interface Circuitry page 11..............................................................
Input/Output Ports page 12...................................................................
6809/MRTI Interface Circuitry page 12..........................................................
Supply Voltages Circuitry page 13.............................................................
Functional Theory of Operation (CLN7098A LED Board) page 14.........................
Front Panel LEDs and Switches page 14........................................................
Front Panel Connectors page 14...............................................................
WIRELINE CIRCUITRY
WIRELINE INTERFACE BOARD (4-WIRE) 68P81094E77...............................
Description page 1....................................................................
General Description page 1....................................................................
Overview of Circuitry page 1...................................................................
Controls, Indicators, and Inputs/Outputs page 2........................................
Functional Theory of Operation page 3.................................................
Functional Overview page 3....................................................................
Description of Audio/Data Signal Paths page 7...................................................
WIRELINE INTERFACE MODULE (8-WIRE) 68P81094E78.............................
Description page 1....................................................................
General Description page 1....................................................................
Overview of Circuitry page 1...................................................................
Controls, Indicators, and Inputs/Outputs page 2........................................
Functional Theory of Operation page 3.................................................
Functional Overview page 3....................................................................
Description of Audio/Data Signal Paths page 7...................................................