NTP Time Displays


Ethernet Networked NTP Synchronized Wall Clocks

A range of analogue and digital wall clocks synchronised using Network Time Protocol (NTP) over an Ethernet Network.

Product Features

Synchronise automatically by NTP/SNTP
DHCP or static IP addressing
Power-over-Ethernet (IEEE 802.3af) compliant
Single or Double sided mounting
Configurable time zone and daylight saving

Digital Clock Features

4 digit and 6 digit models available displaying hours and minutes or hours, minutes and seconds.
Red or Green LED 7-segment display
100mm (4 inch) High Digits – Visible from over 50m (150 ft)
Available in aluminium, plastic and stainless-steel enclosures in various colors.

Analog Clock Features

Large 300mm (12 inch) clock face, visible over 30m (100 ft)
Low-power consumption, only 3W.


Organisation-wide consistent time
Maintenance-free operation
Easy to install and maintain
Ideal for interview rooms, trading rooms, time & attendance and access control, anywhere an accurate time display is required.


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[wptabtitle] Product Description[/wptabtitle]

Product Description

Product Overview

Time displays that accurately synchronise to a Master Clock or time reference using the Network Time Protocol. The clocks can synchronise to an internet based time reference, a local time reference or a Windows / Linux server.

The clocks utilise power-over-ethernet (PoE) to reduce installation costs. The clocks are powered from the network cable in the same manner as IP phones. No mains power outlet is required where the clock is to be sited – eliminating the need for expensive mains wiring and installation.


4-Digit Digital Clock

Product Code: T-ONT4BK-P
Display Type: Red 4 digits, 7 segments HH:MM
Power: Power-over-Ethernet PoE Fully compliant with IEEE 802.3af
Numeral Height: 101.6 mm (4 inch)
Viewing Distance: > 50m (150 ft)
Dimensions W x H x D: 300 x 150 x 560 mm (12.0 x 6.0 x 2.2 in)
Weight : 0.9 Kg (2 lbs)
Accuracy: 200 milliseconds typical
Operating Temperature: 0C ~ +40C (32F to 104F)
Relative Humidity: 95% non-condensing
IP Addressing: DHCP or Static IP addressing.
Ethernet Connection: 10/100 BaseT RJ45
Network Protocol: NTP, SNTP, Telnet
Time-zones: Configurable for time-zone and daylight saving

(6-digit) As Above Except:

Product Code: T-ONT6BK
Display Type: Red 6 digits, 7 segments HH:MM:SS
Dimensions W x H x D: 420 x 150 x 560 mm (16.75 x 6.0 x 2.2 in)
Weight : 1.1 Kg (2.3 lbs)


[wptabtitle] Warranty & Support[/wptabtitle]

Warranty & Support

12-Month Warranty
Free Unlimited Lifetime Support


[wptabtitle] Product Codes[/wptabtitle]


Product Codes

4-Digit, Red LED, Black Plastic Enclosure: T-ONT4BK-P
6-Digit, Red LED, Black Aluminium Enclosure: T-ONT6BK
Analogue Wall Clock: T-ONTA12-BK


[wptabtitle] Download[/wptabtitle]


Ethernet NTP Synchronised Time Displays (PDF, 252KB)




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