Hub Through Hole Drill Usage -------------------------------- Rev. 9-Feb-2017 Hole Diameter is in mm. Plated Through Holes: --------------------- Nominal Drill Hole Number Diameter Count ------ -------- ----- 1 0.25 1114 2 0.30 5986 3 0.46 1189 4 0.60 618 5 0.89 100 6 1.00 14 8 1.10 52 11 1.60 36 12 2.00 4 13 2.20 2 16 2.70 3 18 3.00 4 20 3.20 3 Details about the Plated Through Holes Nominal Hole Diameter Usage Description and Tollerance -------- ---------------------------------------------------- 0.25 mm Smallest vias for the high-speed signals These vias use a 0.52 mm pad diameter. These vias may close during plating. 0.30 mm Normal signal vias & low current power/ground vias These vias use a 0.60 mm or 0.65 mm pad diameter. These vias may close during plating. 0.46 mm Press-In pins on Backplane Connectors J20 : J24 Medium size power/ground vias and via arrays The 0.46 mm hole diameter vias must be designed to work with the Press-In pins of the TE Connectivity Part Number 2065657-1 connectors. Please see page 9 of the TE Connectivity Application Specification 114-13059 a copy of which is available in the same web directory as the rest of the Hub Module bare board manufacturing files. These vias are for HM-Zd PLUS type connector press-in pins. 0.60 mm Large Vias, with 1.10 mm Pad diameter, the hole may fill in as required during plating 0.89 mm Press-In Pins on RJ45 connector RJ1, RJ2, RJ3 Solder pin on connector J2 The RJ45 Press-In pins are on TE Connectivity Part Number 1888653-4 connectors. The TE Conn specification for finished hole diameter is: 0.89 mm +- 0.06 mm. 1.00 mm Press-In Pins on Backplane Connector P10 These Press-In pins are the small pins on TE Connectivity Part Number 1766500-1 connector. The TE Connectivity specification for finished hole diameter is: 1.00 mm +0.09 mm -0.06 mm. 1.10 mm Largest Vias, with 3.00 mm Pad diameter, the hole may fill in as required during plating 1.60 mm Medium current solder in pins on Power Modules "Power Entry" and Power_12V" Press-In Pins on Backplane Connector P10 The Press-In pins are the large pins on TE Connectivity Part Number 1766500-1 connector. The TE Connectivity specification for finished hole diameter is: 1.60 mm +0.09 mm -0.06 mm. 2.00 mm Mounting Screw Holes for TRN_MP1 and REC_MP2 These holes are for metric M1.6 screws. 2.20 mm High current solder in pins on "Power_12V" module These holes are for 1.57 mm diameter high current pins. 2.70 mm Mounting Screw Holes for: K1, K2, bottom handle These holes are for metric M2.5 screws. 3.00 mm Mounting Screw Holes for the Heat-Sink These holes are for 4-40 screws. 3.20 mm Mounting Screw Holes for the ROD Mezzanine These holes are for metric M3 screws. Un-Plated Through Holes: ------------------------ Nominal Drill Hole Number Diameter Count ------ -------- ----- 7 1.00 2 9 1.40 1 10 1.50 15 14 2.30 6 15 2.40 8 17 2.70 1 19 3.00 4 Details about the Un-Plated Through Holes Nominal Hole Diameter Usage Description and Tollerance -------- ---------------------------------------------- 1.00 mm Alignment Pin Holes for Connector J3 Molex 87332-4020 connector alignment pin. Molex hole specification: 1.00 mm +- 0.05 mm 1.40 mm Alignment Pin Upper for Socket "IPMC" Molex 87782-3003 Upper alignment pin. Molex hole specification: 1.40 mm +- 0.05 mm 1.50 mm Alignment Pin Middle for Socket "IPMC" Device ID Pin for TRN_MP1 and REC_MP1 Mounting Hole for Dual-Quad LED Light-Pipes Molex 87782-3003 Middle alignment pin. Molex hole specification: 1.50 mm +- 0.05 mm 2.30 mm Mounting Hole for Single LED Light-Pipes Manufactures specification: 2.30 mm diameter 2.40 mm Mounting Holes for Backplane MPO_1 : MPO_4 These holes are for 2-56 screws. 2.70 mm Mounting Hole for Upper Handle * These holes are for metric M2.5 screws. 3.00 mm Mounting Holes for the Front Brackets * These holes are for 4-40 screws. * These holes have surface pads but the hole tunnel is not plated.