C.12 Option 28: Power System Time, Frequency and Phase Monitor 125
(or)
hh:mm:ssL = Time of Day, Local
ss = Status (0 = Locked, 1 = Unlocked)
(first character is Reference Status:)
(second character is clock status per IEEE P1344)
+f.fff signed Frequency Error in Hz.
+t.tttt signed Time Deviation in seconds.
ppp.pp Phase Angle, 0 to 360 degrees.
vvv.vv Line voltage, rms Volts.