4000 Digital Series II Issue 2.1 Technical Manual
STA0381 Page xvii
3.1 PDE 4505 Key extension card ............................................................................... 59
3.2 PDE 4530 LCD switch driver card ......................................................................... 59
3.3 PDE 4531 1U LCD Key Card ................................................................................. 59
3.4 PDE 4532 2U LCD Key Card ................................................................................. 60
3.5 PDE 4533 Key/Pot. Card ....................................................................................... 60
3.6 PDE 4534 RJ45 Connector Card ........................................................................... 60
3.7 PDE 4535 Panel Electronics Card ......................................................................... 61
3.7.1 PDE4535 Circuit description ........................................................................................ 61
3.8 PDE 4536 Coax/Fibre Options Card ...................................................................... 62
3.8.1 PDE4536 Circuit description ........................................................................................ 62
3.9 PDE 4537 Panel Audio/GPI Options Card ............................................................. 63
3.10 PDE 4538 Panel Electronics Card ....................................................................... 64
3.10.1 PDE4538 Circuit description ...................................................................................... 64
3.11 PDE 4551 Key/LCD Display Card ........................................................................ 65
3.12 PDE 4552 Key Card ............................................................................................. 66
3.13 PDE 4553 Key Card ............................................................................................. 66
3.14 PDE 4554 Pot. Extension Card ............................................................................ 66
3.15 PDE 4556 Key/LED Display Card ........................................................................ 67
3.16 PDE 4557 Drive Card .......................................................................................... 67
3.17 PDE 4558 Panel Electronics Card ....................................................................... 68
3.18 PDE 4566 Key/LCD Display Card ........................................................................ 68
3.19 PDE4609 8-channel telephone interface control card ......................................... 68
3.19.1 PDE4609 Circuit description ...................................................................................... 68
4 Digital Routing Matrix .........................................................................................69
4.1 Racks .....................................................................................................................69
4.1.1 4420 4U rack ............................................................................................................... 69
4.1.2 4920 9U rack ............................................................................................................... 69
4.1.3 PDE4641 60-way SIMM card ...................................................................................... 70
4.2 Front Cards ............................................................................................................ 70
4.2.1 PDE 3601A - Digital Matrix Card (DMC) ...................................................................... 70
4.2.2 PDE 4621A - 16 Channel CODEC Card ...................................................................... 72
4.3 PDE4631 - 16 Channel Audio Input / Output CODEC Card .................................. 74
4.3.1 Card Location .............................................................................................................. 74
4.3.2 Controls and Indicators ................................................................................................ 75
4.3.3 Description ................................................................................................................... 75
4.3.4 PDE 4606A - Panel Communications Card (PCC) ...................................................... 76
4.4 PDE4606B - 16 Channel Panel Communications Card ......................................... 78
4.4.1 Card Locations ............................................................................................................. 78
4.4.2 Controls and Indicators ................................................................................................ 78
4.4.3 PDE4644 - Digital matrix card ..................................................................................... 79
4.4.4 PD 3901 - Beltpack Interface ....................................................................................... 79
4.4.5 PDE 4642 Microprocessor Card (MPC) ....................................................................... 80
4.4.6 Controls and Indicators ................................................................................................ 81
4.5 PDE4662 Central Processor Card ......................................................................... 81
4.5.1 Card Location .............................................................................................................. 81
4.6 PDE Rear Connector Units .................................................................................... 82
4.6.1 PDE 4622TX - 16 Channel CODEC RCU ................................................................... 82
4.6.2 PDE 4622 - 16 Channel CODEC RCU ........................................................................ 82
4.6.3 PDE 4643 - Processor I/O RCU (RS232/RS422) ........................................................ 83
4.7 PDE4663 - Central processor RCU Card .............................................................. 84
4.7.1 Card location ................................................................................................................ 84
4.7.2 Links ............................................................................................................................ 84
4.7.3 Connector details ......................................................................................................... 85
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