Modular master clock with programming circuits, NTP client
 and server for synchronization via Ethernet network, control of
 sirens, DHF and NTP clock systems (no Sigma Sound possible)
 OUTPUTS:
 1. DHF (DHF transmitter not included)
 2. NTP (server)
 3.3 relays for alarm or programming circuits
 4.2 slots (wall mount or rack enclosure) for relay or external
 output option cards
 INPUTS:
 GPS, DCF, NTP (client), USB, external contact,
 Supplied with PC configuration and programming software
 via a USB or Ethernet network
 SIGMA C Wall housing 100-230V