Appendix D: Serial Port and Telnet Commands
External Time Reference Commands
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Table D-3. Time Figure of Merit Value Descriptions
TFOM Value Time Error Notes
0 Less than 1 ns Not available for 58503, NanoSync, or CDMA.
1 1-10 ns Not available for 58503, NanoSync, or CDMA.
2 10-100 ns Not available for 58503, NanoSync, or CDMA.
3 100-1000 ns Default requirement for GPS Sync operation.
Not available for CDMA.
41-10 µs GPS Sync operation only.
Not available for CDMA.
5 10-100 µs GPS Sync operation only.
Not available for CDMA.
6 100-1000 µs Available for both GPS and CDMA.
7 1-10 ms Available for both GPS and CDMA.
8 10-100 ms Available for both GPS and CDMA.
9 Greater than 100 ms Available for both GPS and CDMA.
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