User manual
NTD Clocks User Manual Rev 2.2.2 - Jan-10   © Masterclock
®
, Inc. 
Table Of Contents 
Introduction ................................................................................................................................................................................. 1
Installation ................................................................................................................................................................................... 3 
Operating Environment............................................................................................................................................................ 3 
Pre-Installation Checklist ......................................................................................................................................................... 3 
Static Networking Configuration .................................................................................................................................... 3 
Dynamic Networking Configuration (DHCP/BOOTP) .............................................................................................. 3 
NTP Addressing Mode ..................................................................................................................................................... 3 
Display Behavior ..................................................................................................................................................................... 5 
Major Feature Overview .......................................................................................................................................................... 6 
DHCP/BOOTP Auto-Configuration .................................................................................................................................... 6 
Device Name/DHCP Name Registration ......................................................................................................................... 6 
Time Zone Offsets ............................................................................................................................................................... 7 
Daylight Saving Time .......................................................................................................................................................... 7 
NTP Addressing Modes ....................................................................................................................................................... 8 
Unicast (Query)................................................................................................................................................................ 8 
Broadcast ......................................................................................................................................................................... 8 
Multicast .......................................................................................................................................................................... 8 
Anycast ............................................................................................................................................................................ 9 
Configuration ............................................................................................................................................................................... 9 
Reset Factory-Default Configuration ....................................................................................................................................... 9 
Default Password ..................................................................................................................................................................... 9 
Configuration Methods .......................................................................................................................................................... 10 
WinDiscovery .................................................................................................................................................................... 10 
Using WinDiscovery ...................................................................................................................................................... 10 
Properties ....................................................................................................................................................................... 12 
Network Settings............................................................................................................................................................ 12 
Device Settings .............................................................................................................................................................. 14 
Set Password .................................................................................................................................................................. 21 
Set Time ......................................................................................................................................................................... 22 
Status ............................................................................................................................................................................. 23 
Reset Device .................................................................................................................................................................. 25 
Telnet Terminal Configuration .......................................................................................................................................... 25 
Get Status Info ............................................................................................................................................................... 26 
Set Device Name ........................................................................................................................................................... 27 
Set/Reset Password ........................................................................................................................................................ 27 
Set IP Configuration ...................................................................................................................................................... 27 
Set NTP Server Parameters ............................................................................................................................................ 27 
Set NTP Unicast,Multicast,Broadcast Mode ................................................................................................................. 27 
Set NTP Client Parameters ............................................................................................................................................ 28 
Configure Telnet Interface ............................................................................................................................................. 28 
Ping Via Device ............................................................................................................................................................. 28 
Set Time ......................................................................................................................................................................... 28 
Set Time Zone Bias ........................................................................................................................................................ 28 
Set Daylight Saving Time Parameters ........................................................................................................................... 28 
Set Digital Display Intensity .......................................................................................................................................... 29 
Set Digital Display Type ................................................................................................................................................ 29 
Set Digital Display Options ........................................................................................................................................... 29 
Set Analog Clock Hourly/Twice Daily Correction ........................................................................................................ 29 
Soft Reset ....................................................................................................................................................................... 29 
Reset Configuration ....................................................................................................................................................... 29 
Set stepper hand position analog clock .......................................................................................................................... 29 
Get Status stepper analog clock ..................................................................................................................................... 29 
Enable/Disable User Control of Digital Display ........................................................................................................... 30 
RS-232 Terminal Configuration ........................................................................................................................................ 31 










