CenterClick NTP200 and NTP250 GPS Based NTP Server Appliance

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o Getting Started
o Release Notes
o Front Panel Button
o Front Panel LEDs
o USB Console
o Admin CLI
o Using HTTPS
o SSH Authentication
o Client List
o Antenna Issues
o Graphs
o PPS Output
o Reimage

Live Demo

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Meet your new Time Server

CenterClick produces the NTP200 and NTP250 GPS based NTP Server Appliances that keep your equipment synchronized.

No stupid app, no online accounts, no subscription service, and no Internet needed. Our NTP Appliances are designed to operate with or without Internet access using local administration and configuration.

Our products are trusted by ISPs, schools, TV and radio, enterprises, hobbyists, and others in over 20 countries.

Included in the Box

Your NTP200 or NTP250
A DC power supply (unless you opted for no power supply)
A GPS antenna
The getting started guide

Supply Yourself

An Ethernet cable
A Micro-B USB cable (if needed)

NTP200

BUY DIRECT - $199 - ON SALE: $184

NTP250

BUY DIRECT - $249 - ON SALE: $209-$239

Hardware version v15+ adds a PPS OUT connector. We still have a few older NTP250's in inventory without it and you can order either version.

Appliance
Quantity
Power Supply

Direct purchases include free shipping within the USA. For international shipping quotes please see our shipping policies.

OR BUY ON AMAZON

Features

The NTP200/250 series is ideal for hobbyist, time enthusiasts, and just anyone who wants accurate clock synchronization in their home or business to either supplement or replace Internet NTP synchronization.

Feature	NTP200	NTP250
Stratum 1 NTP	Yes
CPU & RAM	Multi-core ARM CPU with 256MB RAM	Multi-core ARM CPU with 512MB RAM
Storage	8GB or 16GB MicroSD card
Wired Ethernet	10/100mbps
IPv4	Static or DHCP
IPv6	Static or SLAAC EUI-64, SLAAC Token, and/or DHCPv6
Embedded View-only Webserver	HTTP & HTTPS
Read only SNMP	V1/V2 with limited MIB support
Admin Console / CLI	USB or SSH
NTP Client Tracking with JSON & CSV export	Up to 500,000 unique IPs	Up to 1,000,000 unique IPs
NTP ACLs by IP/Mask	Rate limit, Sync, Query, Block
Cloud-Free Technology	No stupid App, No online accounts, No subscription service, No Internet needed
GPS Antenna Included	Yes, with magnetic attachment, 10ft cord, and SMA connector
GNSS Constellations	GPS, GLONASS, Galileo, SBAS, QZSS
Front Panel LEDs	Power, System Status, NTP Status and PPS
Internal Power Backup for GPS and RTC	3+ Hours
Graphs of GPS, NTP and System Status	7-day graphs
Location Privacy	Location can be hidden or shown on Web interface
JSON Encoded Raw Data for Custom Integration	Yes
Prometheus-compatible Metrics Endpoint	Yes
LLDP	Advertisement and Neighbor display
Software Upgrade	Automatic or Manual. Online or Offline
PPS Output	5V 2-pin pluggable terminal block connector
DC Power Input	8-14V (9V 1A or 12V 1A recommended)
Power Consumption	Typical 1W, Max 5W
802.3af PoE	No	Yes
Dual Redundant Power Inputs	No	Yes (DC + PoE)

Need Help, Got Questions?

Check out the Documentation and support is available by submitting a question.