Networked Digital Wall Clock

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Galleon Systems Unit 9 Fortnum Close Kitts Green Birmingham B33 0LG UK +44 (0)121 608 7230

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Networked Digital wall clock, NTP Server

Galleon Systems atomic digital wall clocks utilise NTP over ethernet to display a continuously accurate time. They are available as four inch high numerals with four or six digits.

The large wall clock obtains time from an intranet or internet based NTP server, to provide an accurate time display to one-fifth of a second.

The Ethernet NTP digital wall clock operates with any of NTP or SNTP time resource including Galleon Systems NTP server products. The unit can also utilise internet based time sources, such as NIST.

For simlplicity of operation, the units are Power-over-Ethernet (PoE) devices (IEEE using the same network components as IP telephones. If required single or multiport PoE injectors can be provided at a very reasonable cost.

The large digital wall clock plug into a ethernet jack on your local area network. No mains socket is required, the device is powered from the network jack plug. Installation is therefore very straightforward, and its easy to move the units around.

The devices are powered over the standard CAT5 cabling using power-over-ethernet (IEEE, the same ethernet standard as voice-over-ip telephones. If your network is not PoE enabled, single or multiport midspan converters (power injectors) are available at very low-costs.

networked digital wall clock using ntp

galleon systems large digital wall clocks synchronise using ntp\sntp.

The digital wall clocks are highly accurate, requiring no human intervention. All time updates are performed automatically using SNTP over the network. No special hardware or software is required. The devices can automatically detect available NTP time servers on the network.

Additionally, you can configure and control hundreds os clocks from any PC on your network using a simple telnet session.


  • Four or six digit displays to show hour, minutes or hours, minutes, seconds.
  • 4" high display digits
  • Flexible power options using IEEE PoE.
  • Low-cost single or multi-port PoE injectors available.
  • RJ45 10/100 networking.
  • Static display, no flicker, ideal for CCTV use.
  • Twelve or twenty four hour format
  • Easy to install and maintain.


  • Accurate, tracable, time information displayed throughout organisation.
  • Easy installation and configuration.
  • Maintenance free operation.
  • Ideal for trading rooms, time & attendance and access control, anywhere an accurate time display is required.

Worth A Look

Networked NTP Digital Wall Clock Specification (4-digit)

Product Code: ARC/DWC/ONT4BK-P
Display Type: Red 4 digits, 7 segments HH:MM
Power: Power-over-Ethernet PoE Fully compliant with IEEE
Numeral Height: 101.6 mm (4 in)
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: -30C ~ +85C
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

Networked NTP Digital Wall Clock Specification (6-digit) As Above Except:

Product Code: ARC/DWC/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)

Mounting Options

single or double cantilever mounting digital wall clock single or double pendant mounting digital wall clock
Single or double cantilever mounting. Single or double pendant mounting.

Ordering Options

4 Digit Molded Plastic - Black

4 Digit Aluminium - Black

6 Digit Aluminium - Black

Pendant\Cantilever Mounting Kit

Useful Links:

Power over Ethernet Resource Center. A useful site for additional information about PoE, Power over Ethernet technology and devices.

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