Clear-Com 4000 II Series - Page 20

Technical Manual Issue 2.1 4000 Digital Series II
Page xviii STA0381
4.8 PDE4663B - Central Processor RCU Card ............................................................ 88
4.8.1 Card location ................................................................................................................ 89
4.8.2 Links ............................................................................................................................ 89
4.8.3 Connector details ......................................................................................................... 89
4.8.4 PDE4645 - Optional GPI card ...................................................................................... 92
4.8.5 PDE 4628 - Serial Communications Rear Connector Unit (SCRCU) .......................... 92
4.8.5.1 Card Location ....................................................................................................... 93
4.8.5.2 Upgrading Firmware............................................................................................. 93
4.8.5.3 Power On Self Test .............................................................................................. 93
4.8.5.4 Data and Audio Connections................................................................................ 95
4.8.6 PDE 4619 - General Purpose Interface (GPI) RCU ..................................................... 96
4.8.6.1 Card Location ....................................................................................................... 96
4.8.7 Mains Panel (4U and 9U Racks) ................................................................................. 98
4.8.8 AC Supplies ................................................................................................................. 98
4.9 4000 Power Arrangements .................................................................................... 98
4.9.1 4420 (4U) Matrix .......................................................................................................... 98
4.9.2 4920 (9U) Matrix .......................................................................................................... 98
4.9.2.1 Supply Protection ................................................................................................. 99
5 Specifications ...................................................................................................101