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Valcom, Inc.
5614 Hollins Road
Roanoke, VA 24019
USA
P. 540-563-2000
F. 540-362-9800
www.valcom.com
Questions about Protocols
How do I set up the Valcom Wired Clock to accept synchronization protocols from Rauland,
Dukane, and other systems?
If you are receiving the protocol directly from the master clock, your Valcom Wired Clock will automatically
detect the sync-wire protocol being used when it first powers up; no action on your part is required.
If you wish to use Valcom’s 2-wire digital protocol to carry synchronization data from a system that uses
an unsupported protocol, a Valcom Master Clock must be used as an adapter between the two wiring
systems. Consult the wiring guide in your Master Clock manual for more information.
How do I select which protocol I want my Valcom Wired Clock to use?
When you power up the clock, your Valcom Wired Clock will automatically recognize the protocol being
used as soon as it receives data.
Can I change protocols if the system is running?
Yes. There are two ways of doing this:
1) Do nothing. Within three days of being plugged into the new protocol, the Valcom Wired Clock will
automatically notice the change in protocol and correct itself.
2) Reset the clock to manufacturer’s default. Perform Diagnostic #3, then, after Diagnostic #3 is complete,
power cycle the clock.
How do I check to confirm that the Valcom Wired Clock is receiving the correct protocol?
Perform Diagnostic #1
How do I perform diagnostic tests on the clock system?
See the sections on the pages labeled “Diagnostic Test #1 - Protocol Verification”, “Diagnostic Test
#2 - Comprehensive Test”, or “Diagnostic Test #3 - Manufacturing Default”, depending on your needs.
I am adding a new clock into an existing Valcom Wired Clock System. Do I have to set my entire
system back to 12:00?
No. The new Valcom Wired clock will automatically correct itself upon receiving the data signal from the
master clock.
