LANTIME M300/MRS-SRS4-1x - with special Software to set Local Time
http://www.meinberg.de/english/products/lantime-m300-mrs.htm

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), NMEA -ZDA(RS422) with on time Pulse Per Second (PPS),
10MHz or external NTP servers.

2 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 RS422 interface, Input  NMEA 0183-ZDA, 9pin D-Sub female connector,
      Please note: Only available with on time PPS Input!
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 8V (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           : 25mA
      Diode forward voltage : 1.0V...1.3V
      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:
1 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
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Technical specifications:
Power supply: 100-240V AC (50/60Hz)
Power consumption: max. 30W
19" metal chassis, 1U/84HP - (442mm wide x 43mm high x 288mm deep)
CE compliant
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Scope of supply:
without antenna and without cable