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More freedon for CompactPCI-system developers

A Schroff UK product story
Edited by the Engineeringtalk editorial team May 2, 2001

Thanks to the modularity of Schroff's new modular CompactPCI backplanes, users no longer need to spend time and money developing and manufacturing application-specific backplanes

Schroff, the specialist in microcomputer packaging systems, is now offering CompactPCI-system developers significantly more design freedom while keeping costs low.

Schroff's new modular CompactPCI backplanes with power supply interface make life much easier for industrial and telecommunications users.

Thanks to the modularity of the Schroff design they no longer need to spend time and money developing and manufacturing application-specific backplanes.

Instead the various modules can simply be combined into a system whose flexibility of use means that even prototypes and short-production-run models can be realised quickly and economically.

The CompactPCI backplane solution consists of modular backplanes, "power piggybacks" and one or more power backplanes.

The modular backplanes comply with revision 3.0 of the CompactPCI core specification.

Models with three to eight slots are currently available in either 3U or 6U formats, the five-slot and seven-slot versions are bridgeable.

All backplanes can be abutted without loss of space, i.e without losing a slot width, which would normally happen when combining two backplanes.

The user therefore saves valuable space in the subrack.

The "piggyback" board, which is plugged directly into the rear of the backplane, is used for connecting each power supply.

This board contains an ATX connector, various universal supply terminals for M4 eyelets (power bugs) and three drive connectors.

Thus the board not only enables power to be fed to the backplane from various sources, but also serves as a central node for power distribution in the system.

The ATX connector is used for connecting the power backplane to the P47 connector, which acts as an adapter between the backplane and 19-inch power supplies compliant with PICMG 2.11 (e.g Schroff's maxpowerPRO).

The user can mount this board in any position in the subrack backplane area.

By using another connector it is possible to "tap-off" the signals "Inhibit" or "Power-on" (ATX) for controlling the power supply unit.

Schroff developers are already working on another "piggyback" board designed for rear I/O solutions.

This will be available in the near future.

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