Modular master clock with programming circuits for control of wired and DHF clock systems, relays or sounders; NTP Client and Server for synchronisation over Ethernet network. 19” rack module, 24V DC with 4 slots for option cards. Outputs: 24V minute, ½ minute or second impulse or TBT or SR2 – 0.5A , AFNOR (capacity: 50 slave clocks), DHF (DHF transmitter not included), NTP (Server), 3 relays for alarm, D1D2 or programming circuits. Inputs: GPS, France Inter / DCF, NTP (Client), External contact, USB. Delivered with software for PC configuration and programming through a USB key or Ethernet network