PTB Modem Time Service
Last update: May 4, 2022 17:05 UTC (dbea9b7d4)
Table of Contents
Synopsis
- Address:
127.127.23.u
- Reference ID:
TPTB
- Driver ID:
PTP-ACTS
- Serial Port:
/dev/ptb_u; 1200 baud, 8-bits, no parity
- Features: none
- Requires:
/usr/include/sys/termios.h header file with modem control
Description
No further information available.
Monitor Data
When enabled by the flag4 fudge flag, every received timecode is written as-is to the clockstats file.
Fudge Factors
time1 time-
Specifies the time offset calibration factor, in seconds and fraction, with default 0.0.
time2 time-
Not used by this driver.
stratum number-
Specifies the driver stratum, in decimal from 0 to 15, with default 0.
refid string-
Specifies the driver reference identifier, an ASCII string from one to four characters, with default USNO.
flag1 0 | 1-
Not used by this driver.
flag2 0 | 1-
Not used by this driver.
flag3 0 | 1-
Enable ppsclock line discipline/streams module if set.
flag4 0 | 1-
Enable clockstats recording if set.
Reference Clock Drivers