Kontron CPCI Generic backplane Bedienungsanleitung PDF herunterladen (Seite 18)

General CPCI Backplane

1.2 PCB Form Factor

The size of PEP Modular Computers backplanes is based upon the Eurocard industry stan-

dard and depends on their height format (3U/6U), their number of slots and power supply unit.

1.3 PCI Bus Extension

The PICMG 2.0 CompactPCI Specification restricts the length of a bus segment of a given

CompactPCI backplane to 8 slots or less. This restriction has been determined by extensive

simulation and characterization and guarantees an optmimum operation of PCI-compliant

integrated circuits. Since the inception of PCI, design engineers have extended this eight-slot

restriction by using PCI-to-PCI bridge components. Thanks to the use of such bridge compo-

nents, which are put into effect on a special bridge module, the implementation of Compact-

PCI backplanes providing more than 8 slots is possible.

1.4 Distinctive Features

The PEP Modular Computers CompactPCI backplanes can be distinguished according to the

following distinctive features:

• Form factor (height)

• Dimensions

• Number of slots

• Bus resolution

• Bus frequency

• Rear I/O connectivity

• Hot-swap capability

• Power Supply Connector

• Redundant power supply

• Flexible grounding option

• Fan connector

• Drive connector

• Power LED Connector

• PS-ON Connector

• Reset function connector

Table 1: PCB Form Factor [mm]

Slot Number/

PSU

3U 6U

Faston/M4

DIN M-

Series

ATX Faston/M4

DIN M-

Series

ATX

4-Slot

80.28*128.7 100.7*128.7 — — — —

6-Slot

— 120.7*128.7 131.5*128.7 — — —

8-Slot

— 197.12*128.7 — — 222.52*262.05 —

11-Slot

— 283.0*128.7 — — — —

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 28 29

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