NetClock Master Clock ASCII Time Code Data Formats

ASCII time codes facilitate time synchronization via serial communications. They typically offer higher accuracy than what can be achieved by network time protocol ( NTP ) over a LAN. Spectracom time servers and master clocks offer several serial time codes.

Master Clock / Time Server	ASCII time code formats
	0	1	2	3	4	8	90
NetClock/2 WWVB model 8182	×	×	×
NetClock master clock models 8183/8189	×	×	×	×	×		×
NetClock master clock models 9x83/9x89	×	×	×	×	×	v2.3	×
Ethernet time server models 8188	×	×	×	×	×		×
Ethernet time server models 9x88	×	×	×	×	×	v2.3	×
TTS NTP time server models 200/220/240	×	×	×	×	×	v2.3	×

Data format selection for the RS-232 serial and RS-485 communications ports is performed during set-up and installation.

 

ASCII time code formats:

• Format 0
• Format 1
• Format 2
• Format 3
• Format 4
• Format 8
• Format 90