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CLIP-BOARD NR. 1. CLIP-BOARD NR. 18. CRATE 18U (Frontal view). ASTRO-BOARD. SPI-BACKPLANE. FROM RECEIVER-II SUM-MEZZANINE (24 channels arranged in 3 connectors of 8 channels). TRIGGER OUTPUTS. 529 channels. Direction. Direction. SUM-BACKPLANE. SUM-BOARDS. 1 out. TRIGGER MONITOR.
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CLIP-BOARD NR. 1 CLIP-BOARD NR. 18 CRATE 18U (Frontal view) ASTRO-BOARD SPI-BACKPLANE FROM RECEIVER-II SUM-MEZZANINE (24 channels arranged in 3 connectors of 8 channels) TRIGGER OUTPUTS 529 channels Direction Direction SUM-BACKPLANE SUM-BOARDS 1 out TRIGGER MONITOR 1 out 1 out FAN TRAY
CRATE 18U (Lateral view: Clip & Sum-board) CLIP-BOARD (9U) Power stage SPI control (slave) J1 SPI-BACKPLANE (3U) Attenuation stage 8 channels POWER SUPPLY CLIP-BOARD FROM RECEIVER-II SUM-MEZZANINE (24 channels arranged in 3 connectors of 8 channels) Delay stage 8 channels 8 channels Split stage (x3) 32 ch. D1 D2 8 channels 32 ch. Clip stage D3 32 ch. D4 SUM-BACKPLANE (10U) (complete passive) SUM-BOARD (3U) POWER SUPPLY BACKPLANE 1 out D5 19 ch. TRIGGER MONITOR 1 out 19 ch. D7 19 ch. 1 out PWR D8 FAN TRAY Σ Σ Σ TH TH TH
CRATE 18U (Frontal view) CLIP-BOARD NR. 1 CLIP-BOARD NR. 18 ASTRO-BOARD SPI-BACKPLANE SOFTWARE CONTROL BUS CONTROLS (Attenuation, delay, clipping, threshold & global OR) SUM-BOARDS FAN TRAY
CRATE 18U (Lateral view: Astro-board) Power stage SPI control (master) ASTRO-BOARD (9U) J1 SPI-BACKPLANE (3U) Global OR trigger, attenuation, delay, clipping & thresholds set up POWER SUPPLY CLIP-BOARD TRIGGER OUTPUTS D1 D2 D3 DATA SUM-BACKPLANE (10U) FROM SUM-BOARDS POWER SUPPLY BACKPLANE FAN TRAY