- Where are the entry points of the instrument - Physical External links - Overview of the External Interfaces - Status - Conclusion EUSO-BALLOON DESIGN REVIEW, , CNES TOULOUSE Sylvie Dagoret-Campagne LAL, Orsay EUSO-BALLOON External Interfaces

CDR – External Interfaces 2 Where are the entry points inside the instrument IR-CAM IRCAM EC-HV EC-DYNODE HVPS2 HVPS1 MAPMT EC-ANODE EC-ASIC PDM-B Batteries PWP LVPS-DP1 LVPS-DP2 LVPS-PDM LVPS-HK HK CCB CLKB GPSR CPU DST SIREN CNES Telemetry EXT Bat Controller TLS Sensors Motors SPACEWIRE /PCI EC-Front EC-Back DPPDM data Power 28 V Telemetry Power 5 V HVPS control&status monitoring

CDR – External Interfaces3 External Physical links RS232/R S422 conv Ethernet ON/OFF +/- 12 V ON/OFF 3 V HK CPU LVPS HK TCTM wifiGPS

Overview of the external interfaces A- SIREN-LVPS-HK - Purpose is to initiate a turn ON/OFF initial procedure for the instrument - Technically : two open drain links (SIREN-TOR) over the ± 12 V and 3.3 V converters of LVPS-HK B-SIREN-HK - High level commands implying the instrument life (turn ON/OFF of various components by the action on their supply voltage through HK) - Standard Telecommand (TC) for the instrument control, -Standard Telemetry monitoring (TM) on the power supplies (Voltage), Temperature of the components, -Technically : RS232/RS422 interface C-SIREN-CPU -Retrieve information on runs and events like the trigger rate, -Retrieve information from selected events according criteria adapted to the allowed transmission rate, -Issue CPU commands. -Technically Ethernet RJ45 CDR – Instrument and Objectives4

Overview of the external interfaces A- SIREN-LVPS-HK - Purpose is to initiate a turn ON/OFF initial procedure for the instrument - Technically : two open drain links (SIREN-TOR) over the ±12 V and 3.3 V converters of LVPS-HK B-SIREN-HK - High level commands implying the instrument life (turn ON/OFF of various components by the action on their supply voltage through HK) - Standard Telecommand (TC) for the instrument control, -Standard Telemetry monitoring (TM) on the power supplies (Voltage), Temperature of the components, -Technically : RS232/RS422 interface C-SIREN-CPU -Retrieve information on runs and events like the trigger rate, -Retrieve information from selected events according criteria adapted to the allowed transmission rate, -Issue CPU commands. -Technically Ethernet RJ45 CDR – Instrument and Objectives5

Overview of the external interfaces A- SIREN-LVPS-HK - Purpose is to initiate a turn ON/OFF initial procedure for the instrument - Technically : two open drain links (SIREN-TOR) over the ±12 V and 3.3 V converters of LVPS-HK B-SIREN-HK - High level commands implying the instrument life (turn ON/OFF of various components by the action on their supply voltage through HK) - Standard Telecommand (TC) for the instrument control, -Standard Telemetry monitoring (TM) on the power supplies (Voltage), Temperature of the components, -Technically : RS232/RS422 interface C-SIREN-CPU -Retrieve information on runs and events like the trigger rate, -Retrieve information from selected events according criteria adapted to the allowed transmission rate, -Issue CPU commands. -Technically Ethernet RJ45 CDR – External Interfaces6

Status of External Interfaces interfaceConnectorsPin assignement cableprotocolStatus SIREN-CPURJ45OK EthernetOK SIREN- LVPS-HK D-Sub 15 FOK Electrical (open drain) OK SIREN-HKOK RS232/RS4 22 OK CDR – External Interfaces7 CPU HK Microcontroller

CDR – External Interfaces8 Conclusions Component links done according state of the art EMC rules Refer to the Electrical Architecture document and Pierre Prat’s presentation, All connectors and pin assignment done for each component, Refer to the Electrical Interface Document and to Michel Dupieux’s presentation Cables procurement attributed, Refer to the subsystem manager’s presentations Functions and purposes defined, Refer to the software documents for numeric interfaces and Francesco Cafagna’s presentation No remaining Open point

CDR – External Interfaces9 END ON EXTERNAL INTERFACES DP box modules CPU HK LVPS HK CLK GPS LVPS1LVPS PDM RS232/R S422 conv Ethernet ON/OFF +/- 12 V ON/OFF 3 V CCB