Level 1

1
L1 Buffers
L2 Buffers
Host
DAQ
Detector
1.7 MHz
2 KHz
1 KHz
50 Hz
.
.
L2 Trigger Fired Mask
GeoSect L2 Accept
GeoSect L1 Accept
Level 1 Trigger SubSystems
Level 2
Level 3 Farm
Tape Storage
L1 Trigger Fired Mask
L2 Trigger Confirm Mask
L1 Trigger Terms
Trigger Framework
COOR