Accessories 9-3
9.2
USB-OC Optical USB Converter
9.2.1 Introduction
USB-OC is standard accessory of the EHP-50G Analyzer.
It converts the signals of some of the system’s accessories, which are only
connected via fiber optic, into USB-compatible signals. It, therefore, makes
it possible to link the following items up to the USB port of any Personal
Computer to operate them in conjunction with specific application software
and for firmware updating:
• EHP-50G Electric and Magnetic Field Analyzers, 1Hz-400kHz
• EHP-200A Electric and Magnetic Field Analyzers, 9kHz-30MHz
• NBM550 Broadband meter
Either USB-OC or 8053-OC is indispensable for updating the internal
firmware of the above-mentioned items via a Personal Computer and the
relative update software is available free-of-charge on NARDA’s Web site
at: http://narda-sts.it
9.2.2 Installation
Insert USB-OC in the connector of a free USB port of the PC, connect the
fiber optic coming from the probe or other Accessories treating the locating
key with care.
Considering the very low consumption of the device, the power required by
USB-OC is taken directly from the USB port of the PC. This means no
maintenance is needed.
Table 9-1 Technical specifications of the USB-OC Optical USB Converter
Max. length of the fiber optic
40 m
USB Connector
Type A Male
The link between USB-OC and a HUB USB device or USB cable
extension could not work properly. Connect the USB-OC to the PC
directly.
Front view
Key:
Fiber optic connector
Rear view
Key:
USB Type A Male
Fig. 9-1 USB-OC adapters
Power supply
USB-OC is powered directly from the USB port of the PC.
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