Appendix a: ethernet timekeeping servers, Appendix a: ethernet timekeeping, Nist internet time servers – American Time Wireless Remote Transmitter User Manual

Page 32

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© American Time

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Wireless Remote Transmitter Installation Manual

Glossary

Appendix

Tr

oubleshooting

Clock

Installation

Transmitter and System Setup

Intr

oduction

Appendix A: Ethernet Timekeeping

NIST Internet Time Servers

URL

IP address

Location

nist1-ny.ustiming.org

064.090.182.055

New York City, New York

nist1-nj.ustiming.org

096.047.067.105

Bridgewater, New Jersey

nist1-pa.ustiming.org 206.246.122.250

Hatfield, Pennsylvania

nist1.aol-va.symmetricom.com

064.236.096.053

Reston, Virginia

nist1-chi.ustiming.org

208.066.175.036

Chicago, Illinois

nist1.expertsmi.com

173.014.055.009

Monroe, Michigan

nist.netservicesgroup.com

064.113.032.005

Southfield, Michigan

nisttime.carsoncity.k12.mi.us

066.219.116.140

Carson City, Michigan

wwv.nist.gov

024.056.178.140

WWV, Fort Collins, Colorado

utcnist.colorado.edu

128.138.140.044

University of Colorado, Boulder

utcnist2.colorado.edu

128.138.188.172

University of Colorado, Boulder

ntp-nist.ldsbc.edu

198.060.073.008

LDSBC, Salt Lake City, Utah

nist1-lv.ustiming.org

064.250.229.100

Las Vegas, Nevada

nist1.aol-ca.symmetricom.com

207.200.081.113

Mountain View, California

nist1.symmetricom.com

069.025.096.013

San Jose, California

nist1-sj.ustiming.org

216.171.124.036

San Jose, California

nist1-la.ustiming.org

064.147.116.229

Los Angeles, California

Using the SiteSync IQ Remote Transmitter as a Time Server

The SiteSync IQ Remote Transmitter with the Ethernet port can be used as a time server supporting the SNTP and Daytime

protocols and can be used to synchronize computers or other devices via the Ethernet.
To set up your computer or other device to synchronize to the SiteSync IQ Remote Transmitter, simply enter the IP address of

the Remote Transmitter as the time server address for the computer or device.
In Windows XP:
1. Right-click your clock and then click

Adjust Date/Time.

2. Click the

Internet Time tab. click the Server down arrow, and then enter the IP address of the Remote Transmitter you

wish to synchronize this computer to (example: 192.168.1.200).
3. Click

Update Now. Windows XP will connect to the Remote Transmitter and set the computer's clock.

In Windows 7:
1. Right-click your clock and then click

Adjust Date/Time.

2. Click the

Internet Time tab, and then click Change Settings.

3. Check

Synchronize with an Internet time server, enter the IP address of the Remote Transmitter you wish to synchronize

this computer to (example: 192.168.1.200), and then click OK.
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Important Notes:

• Setting up your computer to synchronize to the Remote Transmitter via Ethernet does not account for time zone and

Daylight Saving Time settings, which must be properly set on the computer (they are not transferred via Ethernet).
• The computer or other device being synchronized to the Remote Transmitter must be on the same network as the

Remote Transmitter, or have access to it through a firewall (port 123 open for SNTP and port 13 open for Daytime

Protocol).
• If your computer is on a domain, it is set up to get the time from the domain controller and you will not be able to

perform the above tasks. Domain controllers using the Windows Time Service can be set up by your network administrator

to synchronize directly to time servers on the Internet or to the Remote Transmitter. Contact American Time Technical

Support at 800-328-8996 with any questions.

Tip: Choose the time server closest to you.

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Note: Please reference http:/tf.nist.gov/tf-cgi/servrs.cgi for the latest NIST Internet Time servers list, which includes the

status of each server.

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