Maintenance Panel

Photos

The maintenance panel PCB

Connectors

P1

• Type: Unknown 2 pin connector
• Use: +12VAC for MPVcc/RTC clock
• From: Power Distribution Board connector P2

P2

• Type: 2×7 0.1″ male header
• Use: Signals and power between MP and IOP
• From: IOP connector J11
• Pinout:
  1. → /IncMPanel
  2. → /ClrMPanel
  3. → BlankMPanel
  4. ← /PowerFailed
  5. → /SetTime
  6. ↔ GND
  7. ↔ GND
  8. → IOPVcc (+5V from IOP)
  9. → IOPVcc (+5V from IOP)
  10. ← /ENMPSignals
  11. ← /1HzClk
  12. ← /AltBoot
  13. ← /BootReset
  14. ← MPVcc (to IOP)