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CLBv2 Shore Station

Kostas ManolopoulosTassos Belias

NCSR Demokritos

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Testing the Shore Station Demonstrator at IFIC ValenciaShore station demonstrator

3 level network topology (3 White Rabbit switches)

3 SPEC cards, 1 CLBv2 exact replica of the shore station demonstrator

test setup, that 7Solution has created at Granada

Participants: Diego Real, Emilio Marin Lopez (7S), Belias Tassos, Kostas Manolopoulos

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1st Data Broadcasting Test• Data Broadcasting with 2 SPEC cards

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Red line: WR Broadcasting switchBlue line: Level_1 WR switch

Green line: 1st SPEC cardYellow line: 2nd SPEC card

Skew is observed before the calibration

1st Test Results before calibration

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1st Test Results after calibration

Test was successful and sub-nanosecond accuracy was achieved!

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2nd Data Broadcasting Test

• Data Broadcasting with 3 SPEC card (for the very first time!)

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2nd Test Results after calibration

Red line: WR Broadcasting switch

Blue, green, yellow line: SPEC cards 1, 2, 3

Testing the data broadcasting with 3 SPEC cards was a success!!

Achieved sub-nanosecond accuracy

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2nd Test Results overnight results

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2nd Test Results overnight results

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3rd Data Broadcasting Test• Data Broadcasting with 1 SPEC card and 1 CLB

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3rd Test Results before calibrationRed line: WR Broadcasting switchBlue line: Level_1 WR switch

Green line: CLBYellow line: SPEC card

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3rd Test Results after calibration

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SummaryAll 3 tests were successfulVerified data broadcasting with 3 SPEC cardsVerified data broadcasting using a CLBIFIC has an operational shore station

demonstrator

Nest stepsBuilding a shore station demonstrator in AthensReceived WR starting kit + WR switchReady to order a second WR switchAt some point a couple of CLBs will be needed