1PPS I/O Specification

Enhanced PTP User Guide (UG1602)

Document ID
UG1602
Release Date
2022-10-18
Revision
1.0 English

The sfptpd 1PPS I/O Specification is as follows:

  • 1PPS-input: SSMB
    • Rising edge active, TTL into 50Ω
  • 1PPS-output: SSMB
    • Rising edge on-time, TTL into 50Ω
  • Pulse Width
    • 200 ms high, 800 ms low