Specifications
1PPS In
Description:1PPS In, a female BNC connector mounted on the rear chassis, accepts a once per
second pulse from an external reference into the SyncServer's Hardware Clock. For the Syn-
cServer to maintain lock to this signal, the stability of the 1PPS input must be better than the
pull-range of the system oscillator.
Note: This feature is not available on the S200 model.
Connector:BNC female (1PPS In)
Amplitude:TTL Levels
Pulse Width100 nS minimum
On Time Edge:Rising
Impedance:270 Ohms
Typical system oscillator pull-ranges:
n TCXO 1E-6 (1 ppm)
n OCXO 5E-7 (0.5 ppm)
n Rubidium 1E-9 (1 ppb)
Note: If the 1PPS In signal is too noisy, the Hardware Clock may not be able to lock to it.
10MHz Out
Description:10MHz Out, a female BNC connector mounted on the rear chassis, provides a
10MHz signal from the SyncServer's Hardware Clock.
Note: This feature is not available on the S200 model.
Connector:BNC female (10MHz Out)
Amplitude:> 3 Vpp and < 7 Vpp into 50 Ohms
Frequency:10MHz
Wave Shape:Sine Wave
10MHz In
Description:10MHz In, a female BNC connector mounted on the rear chassis, accepts a 10MHz
signal from an external frequency reference into the SyncServer's Hardware Clock. For the Syn-
cServer to maintain lock to this signal, the stability of the 10MHz input must be better than the
pull-range of the system oscillator.
Note: This feature is not available on the S200 model.
Connector:BNC female (10MHz In)
Amplitude:1 Vpp to 8 Vpp
Frequency:10MHz
Page 92..........................................................................997-01520-02 Rev. G2
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