1. MEIDEX – Crew Tutorial Video Channels Adam D. Devir, MEIDEX Payload Manager

2. HVIU #2 HVIU #2 GSE GSE (HVIU #2) GSE (HVIU #2) GSE (HVIU #2) HVIU #1 XYBION SEKAI VCR #1 VCR #2 VCR #3 Video System – Block Diagram Splitter Buffer

3. P1 V1 M3 M4 M1 M2 M5 M6 HEX-Splitter / Buffer (Gain =1.0 in all channels) RS-170 VIDEO INPUT (XYBION) RS-170 VIDEO OUTPUT (HVIU #1) RS-170 VIDEO OUTPUT (ADVCR #3) POWER INTERFACE RS-170 VIDEO OUTPUT (GSE) RS-170 VIDEO OUTPUT (ADVCR #1) RS-170 VIDEO OUTPUT (ADVCR #2) RS-170 VIDEO OUTPUT ( HVIU #2) Xybion Video Splitter / Buffer

4. Video System – Hitchhiker Interface MEIDEX Canister XYBION VIDEO HMDA HVIU #2 SEKAI VIDEO HVIU #1 XYBION VIDEO ( BACKUP) ADVCR (GSE) BILEVEL CONTROL COMMAND/TELEMETRY PAYLOAD/DOOR POWER Crew Cabin HH Avionics Unit POWER POWER BILEVEL BILEVEL

5. Power, Video, and CMD/TLM Systems – Block Diagram ELECTRICAL POWER SYSTEM C&DH MOTOR SYSTEM SEKAI ADVCR #1 SEKAI CAMERA SEKAI PWR SYS XYBION CAMERA THERMAL SYSTEM VIDEO SPLITTER BUFFER HH AVIONICS CREW PGSC SEKAI (HVIU #2) XYBION (HVIU #2) GSE VIDEO HH POWER GSE I/F SEKAI ADVCR #2 SEKAI ADVCR #3 ADVCR (HVIU #2) EM BRAKE XYBION (HVIU #1) ADVCR (HVIU #2) ADVCR (HVIU #2) POWER VIDEO CMD / TLM

6. Video interconnection in the Crew-Cabin

7. Video Interconnection in the Crew-Cabin O19 WFOV XYBION SHAB MO58F V10 Rcdr J2 Mon 1 V10 Rcdr J2 Mon 2 FLT Deck Mid Deck PL 1 Payload Downlink Mon 1 Mon 2 VSU Analog in Digital out Analog w/info Analog out DSR20 DTV MUX BYPBK ACT IEEE1394 MCC Ch 3 TV PL Max Ku SHAB - Exp Data or LOS Recorder Dump VIP BAL UnBAL VTR In VIP Out VTR Out VTR Mon (BAL) (BAL) MEIDEX HVIU1 HVIU2 WFOV (UnBal) Xybion (UnBal) PDIP J101

8. DSR20 VIP Patch Panel DTV MUX Digital Trans. Video Interconnection in the Crew-Cabin

9. END Crew Tutorial – Video Channels