1. JADDO N 32-LVDS 47-LVTTL 18-LVTTL Virtex4 (LX40) EtraxF S SDRA M Optical link TLK2501 DSP (TS201) Data/Addr 2-LinkPorts (full duplex) HPTDC Optiona l PAPA SDRA M Flas h Power contro l Clock contro l Temp. and fan sensor PBPB PCPC PDPD PEPE HP L JEt r. Main data path Add. path Control TRBv 2

2. LVDSTTL Virtex4 (LX40) EtraxFS SDRAM 2GBit/s optical link DSP (TS201) HPTDC Optiona l SDRA M AddOn connector 100MBit/s ethernet

3. JADDO N 32-LVDS 47-LVTTL 18-LVTTL JLVDS („SCSI“- cable) JDIFF1JDIFF2JTTL3-HPL Displa y TTL(0-46) TTL(24-31)TTL(16-23) LVDS(0-31) LVDS(20) is CLK to TRB TTL(0-15),(16-31),(32-46) TTL(0-15) CPL D TTL(0-45) GP- AddOn JCTM TTL(32-35) LVDS(29- 31) HADES Trigger Bus (old)

4. EtraxF S PAPA SDRA M Flas h PBPB PCPC PDPD PEPE Optical link TLK2501 Optical link TLK2501 JLVDS („SCSI“- cable) MU Bus (old) Virtex2 (250) HadCo m LVDS(0- 31) 2-HPL (0-3) is JTAG 40 pin conn. 2- HPL HADES Trigger Bus (old)

5. Central Trigger System (CTS) TRBv2 GP-AddOn Root VME-CPU Central Monitoring MU algorithm Acromag VULOM 3 Trigger Source s Optical Hub MUv 2 Optical Network Old Hub New systems Old DTUsOld IPUs