Ref. 23092804
NTP time server with ultra-stable integrated oscillator OCXO-HQ *)
and Intelligent Reference Selection Algorithm (IRSA)
Intelligent switching between available synchronization sources:
GPS, Time Code (e.g. IRIG-B), Pulse Per Second (PPS), 10MHz or
external NTP servers.
4 x LAN interface 10/100 MBit, RJ45 connector
1 x Terminal RS232 interface, 9pin D-Sub male connector
for initial setup and configuration
1 x USB Service interface
1 x LC-Display (2 x 40 characters) and 8 push buttons
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Reference Inputs:
1 x Meinberg GPS antenna input, BNC connector, isolated
1 x PPS input, TTL, pulse duration >= 5µs, active high, female BNC connector
1 x 10 MHz input, sine (1.5Vpp - 5Vpp) or TTL, female BNC connector
1 x Time Code modulated input, BNC connector, isolated by transformer
Insulation voltage 3000 VDC
Input impedance: 50 Ohm, 600 Ohm, 5 kOhm
Internally selectable by jumper (default 600 Ohm)
Input signal : 600mV to 8 V (Mark, peak-to-peak)
1 x Time Code unmodulated input, BNC connector, isolated by opto-coupler
Insulation voltage : 3750 Vrms
Internal series resistor : 330 Ohm,
Max. input current : 25 mA
Diode forward voltage : 1.0 V...1.3 V
selectable Time Code Inputs, modulated / unmodulated (DCLS):
B122/123 / B002/003
B126/127 / B006/007
IEEE1344 (modulated and DCLS)
AFNOR NFS 87-500 (modulated and DCLS)
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Signal Outputs:
2 x RS232 interface, independent, 9pin D-Sub female connector,
with multi data formats timestrings.
1 x PPS, TTL into 50 ohm, pulse duration 200 msec,
active high, female BNC connector
1 x Standard Frequency 10 MHz, TTL into 50 ohm, female BNC connector
1 x Alarm Relay Output, change-over contact, 3pin DFK connector
1 x Time Code AM, amplitude modulated sinewave output (e.g. IRIG-B12x) ,
3 Vpp into 50 ohm, via female BNC connector
1 x Time Code DCLS, Pulse-width modulated output (e.g. IRIG-B00x),
TTL active high, via female BNC connector
(AM and DCLS Time Code signals are generated in parallel )
additionally Time Codes available: IEEE1344 und AFNOR NFS 87-500.
1 x PPM, TTL into 50 ohm, pulse duration 200 msec,
active high, female BNC connector
1 x Synthesizer for frequencies from 0,1 Hz up to 10 MHz,
TTL into 50 ohm, female BNC connector
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Technical specifications:
Power supply:
Unom: 100-200 V DC / 100-240 V AC (50-60 Hz) //
Umax: 90-250 V DC / 90-265 V AC (50-60 Hz)AC (50-60 Hz)
Power consumption: max. 30 W
19" metal chassis, 1 U/84 HP
(483 mm wide x 43 mm high x 285 mm deep)
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Scope of supply:
The system will be delivered inclusive of GPS/Converter
outdoor antenna, mounting kit and 100m coax-cable (RG58).
