Meinberg WWVB51USB Bedienungsanleitung

Meinberg Radio Clocks

Lange Wand 9

31812 Bad Pyrmont, Germany

Phone: +49 (5281) 9309-0

Fax: +49 (5281) 9309-30

http://www.meinberg.de

[email protected]

WWVB51USB: WWVB Radio Clock for the Universal Serial Bus (USB)

The WWVB51USB is a Radio Clock that receives the WWVB long wave time signal and synchronizes a PC

or laptop using a USB connection. The compact plastic housing includes an integrated antenna,an external

antenna can be connected as an option to improve reception quality in noisy environments. This device is a

perfect alternative for synchronizing computer systems where no PCI slot or serial port is available for time

synchronization.

Important note

This product is not available anymore and may have been substituted by another product. Of course

we continue to support existing units still in use. Please contact our [1]support department for further

details.

This product has been substituted by: [2]

Key Features

- Universal Serial Bus (USB)

- Receiver status LEDs

- Buffered hardware clock

- Powered by USB (no extra power supply required)

- Connector for an external antenna

- Plastic Case

- 2 year warranty

rev 2013.0704.1631 wwvb51usbPage 1/3

Description

The WWVB51USB shows the reception quality via its status LED and uses a buffered real time clock to maintain the

time while powered off. There is no power supply required, the radio clock is powered by the Universal Serial Bus.

This USB clock offers a professional solution for your time synchronization requirements in mobile applications like field

data acquisition with a laptop/notebook. It can be deployed whenever you need to synchronize a standalone PC, laptop

or server with the WWVB time signal broadcasted by the U.S. National Institute for Standards and Technology (NIST).

The drivers package for Windows contains a time adjustment service which runs in the background and adjusts the

Windows system time continously and smoothly. A monitor program is also included which lets the user check the status

of the device and the time adjustment service, and can be used to modify configurable parameters.

The driver package for Linux contains a kernel driver which allows the board to be used as a reference time source for

the NTP daemon which is shipped with most Linux distributions. This also turns the computer into a NTP time server

which can also provide accurate time to other NTP clients on the network. Some command line tools can be used to

setup configurable parameters and monitor the status of the board.

The Meinberg Single-Driver-Concept simplifies driver installation dramatically - there is only one driver who supports all

Meinberg PCI and USB devices and if you use our API to access your Meinberg timing device from within your own

applications, you can use the same source code for both PCI and USB devices.

Characteristics

Type of receiver Integrated WWVB long wave radio receiver 60kHz ([3]WWVB website)

Accuracy < +/-5 ms to UTC

Synchronization time 2-3 minutes after signal reception has been established

Physical dimensions 73mm x 117mm x 24mm (L x W x H)

Antenna connector SMB-Subminiature-coaxial-connector

Current consumption 40mA

Ambient temperature 0 ... 50°C / 32 ... 122°F

Humidity Max. 85%

Scope of supply Radio Clock, 3 m USB cable

RoHS-Status of the product This product is fully RoHS compliant

WEEE status of the product This product is handled as a B2B category product. In order to secure a WEEE

compliant waste disposal it has to be returned to the manufacturer. Any transportation

expenses for returning this product (at its end of life) have to be incurred by the end

user, whereas Meinberg will bear the costs for the waste disposal itself.

rev 2013.0704.1631 wwvb51usbPage 2/3

Manual

There is no online manual available for this product: [4]Contact us

Links:

[1] http://www.meinberg.demailto:[email protected]

[2] http://www.meinberg.de/english/products/wvb600usb.htm

[3] http://www.meinberg.dehttp:/tf.nist.gov/stations/wwvb.htm

[4] http://www.meinberg.demailto:[email protected]

rev 2013.0704.1631 wwvb51usbPage 3/3

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