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Backplane-20SFP

General

In embedded detector electronics there is usually not much space available. A standard White Rabbit Switch is not suited for detectors like Chromium or KM3NeT.
A standard WR Switch consists of a small size Switch Core Board (SCB), which houses all switch intelligence, plugged onto a "simple" miniBackplane with 18 SFP ports. Backplane-20SFP is a miniBackplane in a small form factor. Twenty 20 SPF connections are available. Plugging a standard SCB with standard gateware and software creates a standard 18 port switch. Ports 19 and 20 are routed to the SCB FPGA but not used in the gateware, nor software.


Figure 1: Backplane20SFP plugged onto a Switch Core Board (SCB).

Documentation

Documentation: Older versions


Contacts


Status

Date Event
09-05-17 Start of project
18-12-17 Uploaded PCB manufacturing data
29-01-18 Added subpage SCB serial numbers
27-03-18 5 boards tested, update picture
24-04-18 minor issues => V2.0 schematics
21-06-18 added link to V2.0 component placement and stack-up/drill info
14-09-18 added Backplane-20SFP serial numbers sub-wiki + test procedure
04-04-19 repaired broken link, after OHWR migration to GitLab

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