1. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 1 EVLA Monitor and Control Monitor & Control Transition

2. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 2 Antennas Antennas – Front Ends  Not all Front Ends Will Be EVLA Until 2010  F320 FE Transition Module  Interfaces up to Two F14’s  Uses A/D Design by George Peck  In-House Design Simulates VLA Dataset

3. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 3 Antennas Antennas – Wye Monitor System  M302 Utility Interface Replacement  Wye-Com Cable Will Disappear  Reduce Two M&C Systems into One  Consolidate Functions to Their Devices  Reduce Number of External Functions

4. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 4 Antennas Antennas – ACU and FRM Systems  ACU & FRM System Replacements Not Part of EVLA Phase I  Bob Broilo Designed Interface  Interface is Between MIB and DCS System  ACU & FRM if Replaced Early Will be Paid by Operations or EVLA Contingency

5. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 5 Control Building Control Building To Antennas  EVLA Antennas Connect to EVLA M&C  Includes Transition Modules  SLC Operates VLA Antennas  Operates EVLA at VLA BasebandUntil New Correlator is Installed  No VLA Baseband Transition for the New Correlator

6. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 6 Control Building Control Building to Master Rack  EVLA Master Rack Connected to EVLA M&C  SLC Controls VLA Master Rack  SLC is Connected to Modcomps  Upon Modcomp Retirement SLC will be Placed under Control of EVLA M&C

7. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 7 VLA

8. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 8 EVLA & VLA (I)

9. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 9 EVLA & VLA (II)

10. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 10 Control Building Weather Station  Connected to VLA Master Rack  Interfaces Re-Designed for EVLA  Modernized Weather Instrumentation  Fiber Run to Weather Station in Place

11. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 11 Control Building Control Building to Wye Monitor System  HVACs, UPS’s, and Generators  Interfaces Re-Designed for EVLA  Fiber Runs to Generator Building, Etc.

12. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 12 Control Building Control Building to Other  Atmospheric Phase Interferometer (API)  Modernized API for EVLA  VLBI/VLBA Racks  Interface Hooks to EVLA M&C

13. Author Wayne M. Koski EVLA Monitor & Control Hardware CDR October 20, 2004 13 Control Building Control Building to Other  HTRP or Pulsar Equipment Racks  Stand-Alone – Provide EVLA Hooks  New Correlator Provides Improved Capabilities for Pulsar Work  Pie Town Link  Modernized to EVLA in Future  Part of Phase II