Coastcom D/I Mux III System, User Manual

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D/I MUX III User’s Manual
xii
Shelf Backplane Connectors ........................................................................................................ 18
Common Equipment Units and Line Cards ................................................................................................ 19
Common Equipment................................................................................................................................... 19
Common Control Unit................................................................................................................... 19
CCU Circuit Description ............................................................................................................... 21
Advanced Multiplexer Control Unit (AMCU) ................................................................................. 22
AMCU Motherboard Circuit Description ....................................................................................... 22
AMCU Sub-Board Circuit Description........................................................................................... 26
Strobe Units ................................................................................................................................. 30
Line Interface Units ...................................................................................................................... 32
T1 Interface Units......................................................................................................................... 34
Power Supplies ............................................................................................................................ 35
Line Cards .................................................................................................................................................. 35
Data Line Cards ........................................................................................................................... 35
Voice Line Cards.......................................................................................................................... 36
Digital Program Line Cards .......................................................................................................... 36
MODES OF OPERATION 37
Channel Bank Operation ............................................................................................................................ 37
Loop Timing ................................................................................................................................. 37
Local Timing................................................................................................................................. 37
Drop-and-Insert Operation.......................................................................................................................... 38
Recovered Timing ........................................................................................................................ 38
Dual Channel Bank Operation .................................................................................................................... 38
Loop Timing ................................................................................................................................. 39
Local Timing................................................................................................................................. 39
CHAPTER 2. APPLICATIONS 40
Channel Bank ............................................................................................................................................. 40
Point-to-Public Network................................................................................................................ 40
Point-to-Point Private Network ..................................................................................................... 41
Drop-and-Insert .......................................................................................................................................... 43
Sharing Switch and FXS Applications .......................................................................................... 43
Dropping Data - Polled Data Network .......................................................................................... 43
Dual Channel Bank..................................................................................................................................... 44
Voice, Video, and Special Services Networks .............................................................................. 44
CHAPTER 3. INSTALLATION 45
Equipment Location.................................................................................................................................... 45
Space Requirements.................................................................................................................... 45
Shelves....................................................................................................................................................... 46
Access Requirements .................................................................................................................. 46
Power Requirements and Capacity ............................................................................................................ 46
-48 VDC Power Systems.............................................................................................................. 47
-24 V DC Power Systems............................................................................................................. 47
110 VAC Power Systems ............................................................................................................. 47
Required Equipment for D/I Mux III Installation .......................................................................................... 47
Shelf Installation ......................................................................................................................................... 48
Rack and Cabinet Installation....................................................................................................... 48
Desktop ........................................................................................................................................ 49