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Valcom, Inc.
5614 Hollins Road
Roanoke, VA 24019
USA
P. 540-563-2000
F. 540-362-9800
www.valcom.com
Valcom, Inc.
5614 Hollins Road
Roanoke, VA 24019
USA
P. 540-563-2000
F. 540-362-9800
www.valcom.com
Inputs - NTP Server
The master clock can receive NTP time over a Local Area Network connected to the Internet. To accomplish
this, the master clock must be connected to the router by a CAT5 or CAT6 Patch Cable with an RJ45
connector. The Ethernet port on the master clock can be identified using the diagram below.
MASTER CLOCK
NETWORK
ROUTER / SWITCH
IN-HOUSE NTP
SERVER
MODEM
THE INTERNET
CAT5/CAT6 CABLE
ONLINE THIRD
PARTY NTP
SERVER
OR
Firewall Ports 80 and 123 must be open to use the master clock on a network.
The connection between the master clock and the router must be a wired connection. V-MCS-CD Master
Clocks do not include a wireless network card for WiFi routers.