1. Level 1 Muon Trigger Status and Commissioning Rob McCroskey University of Arizona for the L1 Muon Group

2. L1MU Hardware • MTCM (Crate Manager) • Production card testing in progress • MTCxx (Trigger Card) • Production cards beginning fabrication • MTFB (Flavor Boards) • Production MTM boards ready for fabrication • Production MTC10 board design in progress (finish in couple weeks) • Preproduction MTC05 board in fabrication • SLDB’s (Gbit/s Serial Links) • Production board testing in progress

3. MCEN Hardware • MCCM (Crate Manager) • Preproduction card layout in progress • MCEN (Centroid Finder Card) • Preproduction card testing in progress • MCPB (Physics Boards) • Preproduction board testing in progress

4. L1MU Infrastructure • Custom VME backplanes • Complete • Power supplies • Prototype assembled and tested • VICOR supplies ordered but with 20-22 week lead time • Platform services • On hold pending final cable plant design • Cabling • Production at Fermilab and NIU in progress

5. Near Term Commissioning Goals • mid-August • Stable operation of one (sparse) L1MU trigger crate and the L1MU MTM crate • Still using preproduction cards • early October • Add L1CFT MTM crate to the above • mid-October • Begin commissioning production L1MU crates and cards Done Underway Underway Aiming for stable L1MU operation for commissioning by mid to late October

6. Longer Term Commissioning Goals • Begin full crate testing in late December or early January • Two octant triggering until then • MCEN cards ~ 2 months behind above • Temporary power supplies for full crate tests