• Number of channels: 1 per module
• Time Error Accuracy: +/-100ns with reference to GNSS
External References
Frequency Reference Input
• Input Frequency: 1MHz, 5MHz or 10MHz
• Voltage Range: 0.1Vrms to 5Vrms
• Impedance: approx. 50
External 1 PPS Timing Input
• Voltage range: 0V to 0.8V (Low), 2V to 3.3V (High) into 50
• Required accuracy: ± 100ns to UTC
GNSS Timing Reference
• Antenna input: N-type connector
• DC-feed: +5V on centre pin to active antenna
Output References
Frequency Reference Output
• Ref. Frequency: 10MHz sine-wave
• Output Levels: 1Vrms in 50
1 PPS Output
• Source: Internal Rubidium oscillator
• Output Level: TTL levels in 50
E1/T1 Output
• Connector: Clock: BNC; Data: isolated BNC
• Frequency: 1.544/2.048MHz, 1.544/2.048Mb/s
• Output Level: Acc. to G703:10; ±1.2V ±10% in 75
Interfaces
USB Device port
• Connector: USB type B
• USB version: 2.0
USB Host port
• Connector: USB type A
• Max supply current: 400mA
• USB version: 2.0
Ethernet
• Communication port: RJ45, 10/100BASE-T
• Protocol: DHCP and FTP server, VNC
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