Orolia Spectracom EC20S - 1 PPS Outputs; 10 Mhz Outputs; NMEA Output

EPSILON CLOCK MODEL EC20S Spectracom
39 User’s Manual
- 10MHz synchronization signals on the ‘J2n’ BNC connectors located on the rear panel,
- Time Of Day messages on the ‘NMEA’ SUBD-9 connector located on the rear panel.
12.1 1PPS OUTPUTS
- Number of outputs : 7
- Connector type : 50Ω BNC coaxial
- Level : TTL/5V, with a 50 load.
- 1ppS pulse width : 100µS
- Accuracy to UTC, GNSS locked : ± 25ns (1σ).
- Accuracy to UTC instantaneous (phase locked) : ± 35ns max.
Holdover (constant temperature,
24 hours GNSS locked)
OXCO
Rubidium oscillator
after 4 hours
0.8 µs
0.3 µs
after 1 day
10 µs
2 µs
12.2 10MHZ OUTPUTS
- Number of outputs : 7
- Connector type : 50 BNC coaxial.
- Level : 12±2dBm, with a 50 load.
- Type : Sinewave signal, -40dBc harmonic distortion.
12.3 NMEA OUTPUT
The ‘NMEA’ output is a RS232 serial link on which Time of Day messages are distributed.
- Connector type : 9-pin female SUB-D