1. A-C Coupler U14+U15 XFEL C-C Test Daughter Card-B, BLOCK DIAGRAM-1. MP-UCL, 31-08-2010 RJ45 2121 5454 8787 J1 0R Shield IDC-1/A RJ45 2121 5454 8787 6363 J2 0R Shield X-TAL 9.0278 MHz : 2 J3 ( Optional ) RJ45 Start / Reset Veto Status Clock T.R. Clock In Ext. Veto In T.R. Start In Force X-Tal U1 U3 U2 U4U5 U6 U8 U7 U13 U12 U11 SW-1 All BLUE parts are optional if space allows DS90LV001 DS90LV027A 2x DS90LV001 DS90LV048A 74LVT74 EuroQuartz XOPL91050UCTA ICS527R-01LF Mult. PLL ICS581G-02LF MUX-PLL Clk-4 Clk-3 Clk-2 In-A In-B Delay Clk-12 Clk-11 U16 99MHz 4.51MHz +3v3 U9+U10

2. DS90LV001 4k7 100R 2k2 100R 4k7 OUT+ OUT- DS90LV001 100pF EN 2 8 7 U9/14 3 6 EN 2 8 7 U10/15 3 6 1k +3v3 Pin 5 1 2x 100n RJ45 6363 XFEL C-C Test Daughter Card-B, Schem-2 : A-C COUPLER MP-UCL, 31-08-2010 CAT.5/.6 STP cable DIFF. LVDS INPUT 100pF 2x 15pF 56k 100nF J2 IDC-1/A

3. 270R XFEL C-C Test Daughter Card-B, Schem-3 : POWER MP-UCL, 31-08-2010 LED-1 +3v3-IN +3v3 100n 4u7 GND-IN IDC-1/B + + + +