Simplex Ethernet Clock Uživatelský manuál stáhnout pdf (Strana 12)

NTP [Network Time Protocol]

Unit 4, 2-8 South St

Rydalmere, NSW 2116

T: 13 14 91

F: 1800 659 025

W: www.simplextime.com.au

NTP definition & Application

Document: NTP.doc Issued: October 2008

Hardwired:

Advantages:

- minimal interference from wireless devices

- independent system that will not go down when other infrastructure goes

down, as long as power is available

Disadvantages:

- Depending on type of sync. technology, potential high voltages required

- Running of cables from master clock to each device

- Cost of master clock

- Clocks can take a number of hours to resynchronize after a time error occurs

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Simplex Ethernet Clock Uživatelský manuál Strana 12