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Masterclock 

www.masterclock

.com

 

24 

Time Zone Offset 

Modify the time zone by clicking the [Time Zone] button. This opens a new window that gives 
you a list of time zones, including descriptions to help with the selection. Select the desired 
time zone and click [OK] to close the window. Changes are applied when you click [OK].   
 

 

 

Daylight Saving Time 

Configure and/or enable the daylight saving function by clicking the [Daylight Saving Time] 
button. North American and European Union DST settings are quickly entered by clicking the 
appropriate button; [US Standard] or [EU Standard].   
 
Daylight saving time configurations will be applied when you click [OK]. 
 

 

 

US/Canada Standard, Post 2006 

European Union Standard 

 

 

Summary of Contents for CLDNTD12

Page 1: ...Masterclock www masterclock com 1...

Page 2: ...contact methods phone email etc found at our website www masterclock com Before calling please attempt to find the answer to your situation here You ll find this user manual will handle virtually all...

Page 3: ...servers Masterclock produces a full line of Network Time Display clocks including CLDNTD12 NTDS 16 Desktop NTDS16 NTDS19 NTDS112 Rack Mount NTDS24 NTDS24 NTDS26 NTDS29 Rack and Wall Mount NTDS44 NTDS...

Page 4: ...ngs including DHCP BOOTP support Primary and secondary NTP reference with fault tolerant switching Supports NTP Broadcast Multicast and query Unicast modes Security features include password protected...

Page 5: ...er Maximum cable distance is 328 feet 100m RELAY OPTION When the CLDNTD12 digital analog display is not locked to a NTP reference the dry contact relay will actuate The CLDNTD12 request time from the...

Page 6: ...ttempt to disassemble or modify it Never insert any metallic object into the clocks case doing so increases the risk of electrical shock short circuiting fire or personal injury Never expose your cloc...

Page 7: ...the case and the wall along the exterior of the wall which may pinch the power or signal cable and create a hazardous condition Wall Mount Bracket A wall mounting bracket is supplied which has been de...

Page 8: ...Masterclock www masterclock com 8 Wall Bracket Dimensions...

Page 9: ...Masterclock www masterclock com 9 CLDNTD12 Dimensions...

Page 10: ...included into the RJ45 socket located on the back panel DC Insert the DC power cord into the 2 1 mm connector located on the back panel USB Port For configuration Relay Option When the CLDNTD12 is not...

Page 11: ...ver configuration __ Determine if DHCP server will provide Time Zone configuration NTP ADDRESSING MODE __ Determine if this device client will query the NTP server Unicast mode listen for NTP broadcas...

Page 12: ...se features also allow the unit to be set manually and run without Time Code with precision TCXO AND RTC CIRCUIT The CLDNTD12 contains a precision TCXO Temperature Compensated Crystal Oscillator and R...

Page 13: ...Factory default DHCP enabled BOOTP was a precursor to DHCP The network device can obtain configuration from a BOOTP server when no DHCP server is present The following RFC2132 DHCP options defined con...

Page 14: ...The configuration will now be reset including the password The unit will need to be reconfigured to your custom settings DEFAULT CONFIGURATION The factory defaults may be restored by using the WinDis...

Page 15: ...ndary DNS Devices which have been assigned a fallback IP address of 169 254 xxx xxx will be displayed in the main WinDiscovery window with RED text indicating a problem with the configuration NTP CLIE...

Page 16: ...Driver First power on the CLDNTD12 Next use a USB cable not supplied and connect to the PC The Windows Plug and Play manager will detect a new USB device and request device drivers If Windows is unabl...

Page 17: ...u click Discover all devices accessible on the network will announce their presence and the status bar will display the count of devices found When complete a list of device families and groups will b...

Page 18: ...r a unique password for every device to change the factory default password public A password is one to eleven characters and is case sensitive For added password strength you should use a combination...

Page 19: ...window figures page 13 The tab lists whether or not the server and or client are enabled and various stats about each RESET DEVICE BUTTON This button brings up the Are you sure window Press the Yes b...

Page 20: ...Broadcast or Multicast services to receive Time Code The NTP button and window are detailed on page 13 The Display Properties button and window at left permits the user to change the brightness of the...

Page 21: ...ed or when a network connection to an Time Code server is not available SET PASSWORD See page 18 RESET DEVICE See page 19 under Properties Button INSTALL NEW OPTION Paste the Option Key you receive he...

Page 22: ...device based on an automatically generated electronic query or NTP time request The Unicast method is supported simultaneously when either the Broadcast or Multicast modes are selected Setting up to...

Page 23: ...ice is set to use DHCP and no DHCP server can be found The timeout before doing a soft restart is not less than ten minutes Note Several factors can increase the time between these soft restarts 1 The...

Page 24: ...e and click OK to close the window Changes are applied when you click OK Daylight Saving Time Configure and or enable the daylight saving function by clicking the Daylight Saving Time button North Ame...

Page 25: ...Temperature and Humidity Operating temperature 32 to 140 F 0 to 60 C Relative Humidity 0 to 90 non condensing Storage Temperature 40 to 185 F 40 to 85 C Physical Size Width Height Depth Weight Materia...

Page 26: ...network device is on the same physical network as the computer from which you are running WinDiscovery If the computer is separated from the device by a router or a firewall it is likely that the rou...

Page 27: ...In some cases the device may not be discovered and displayed in the WinDiscovery device tree In others previously discovered devices may no longer be accessible or responding Click Discover again and...

Page 28: ...reate an IP address conflict The device will reset its address to one within the link local address space 169 254 xxx xxx If you see that the IP address starts with 169 254 obtain a new IP address for...

Page 29: ...T configuration relative to the manually entered time 6 The NTP time server s is not available or the NTP server being used has the incorrect UTC time Verify the NTP time server s are available and is...

Page 30: ...clock has a stainless steel case a cleaner and polish designed for use on stainless steel is recommended Use a recommended product to maintain and protect the stainless steel finish while resisting w...

Page 31: ...se abrasive or highly alkaline cleaners Don t use paper towels paper products rayon or polyester cloths to clean or dry the lens Don t scrape the lens with squeegees razor blades or other sharp instru...

Page 32: ...tions MASTERCLOCK makes no other warranty either expressed or implied with respect to this product MASTERCLOCK specifically disclaims the implied warranties of merchantability of fitness for a particu...

Page 33: ...horized to carry out maintenance on this device Read this User s Manual carefully and follow the correct procedure when setting up the device Do not open your Masterclock product or attempt to disasse...

Page 34: ...pliance and recycle program please visit http www masterclock com rohs_compliance php Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this d...

Page 35: ...est service in the fastest manner We apologize for any inconvenience that the need for repair may cause you We hope that our rapid service meets your needs If you have any suggestions to help us impro...

Page 36: ...Masterclock www masterclock com 36...

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