New Products(15)

Fri, 03/31/2006 - 7:00pm

Broadband test tools

San Jose, Calif.—JDSU has released its SmartClass family of access field testers for broadband access networks. Included in the portfolio are the SmartClass ADSL for ADSL 1/2/2+ testing and the SmartClass OTS-55 optical test set for dark fiber installation and troubleshooting.

ADSL tester
JDSU’s SmartClass
ADSL tester
The SmartClass handheld field test tools provide test solutions for FTTx/PON, DWDM, CWDM, and xDSL technologies. The tools have been designed to help bridge the gap between the demands of broadband triple-play service testing and the need to reduce capital and operational expenses, according to the company.

The SmartClass ADSL tester addresses the demand for a handheld point solution for ADSL 1/2/2+ services testing and basic copper qualification. Meeting the needs of service provider technicians who do not require a modular solution or in-depth triple-play services testing, the tester is a single function tool and is more economical and practical for large-scale ADSL deployments. As with the entire platform of testers, the SmartClass ADSL is suitable for less experienced field techs.

The SmartClass OTS-55 optical talk set facilitates dark fiber communication between two fiber headends. To set up a communication link, the OTS-55 can either be used in a set of two instruments or as a single unit working together with a JDSU MTS-8000 or OFI-2000 at the far end. Used for fiber optic installation and troubleshooting, the OTS-55 has greater than 45 dB of dynamic range. The OTS-55 gives network operators independent visibility into network configurations at the wavelength and data services level.


QAM channel inserter

South Plainfield, N.J.—Radiant Communications has introduced the QRF5000, the first in a series of QAM channel inserters. The single rack-unit device encodes local baseband video and audio channels into quadrature amplitude modulation (QAM) signals via a built-in modulator, enabling cable operators to rapidly deploy all-digital lineups to low-cost digital set-top units, according to the company.

Radiant Communications’ QRF5000

The QRF5000's architecture is designed to support changing network demands. Users can select bit rates ranging from 32 kbps to 44.8 kbps, configure four different PID values from 30 to 8192, and output either 64 or 256 QAM signals for television channels 7 to 137. The channel inserter supports eight different audio settings and allows operators to set values for video resolution from full D1 to one-half D1 in four incremental steps. With a password-protected front panel controller, the plug-and-play device is remotely configurable and features built-in SNMP for status monitoring. In addition, operators can use the QRF5000 to encode 12 or more local channels with Radiant's QRF5010 expansion module.

The QRF5000 has been designed and tested to work with current and legacy cable boxes. It is suitable for a variety of applications, including security cameras for gated communities, multiple dwelling units (MDUs), hotels and condominium complexes; informational bulletin boards; public, educational, and government access (PEG) television; and any application where video and audio feeds need to be viewed within the digital lineup. The device is especially suited for hotel applications, where it enables integration of convention television channels while simultaneously showing local system programming.


Agile micro-modulator

Old Bridge, N.J.—Blonder Tongue Laboratories Inc. has introduced the new AMM Series of analog modulators. The Series is the latest addition to the HE-12 and HE-4 Series of compact, modular-based products designed for the cable TV, private cable, lodging and institutional markets.

The AMM Series includes frequency agile SAW filtered modulators that accept any standard audio/video source such as a satellite receiver, DVD player, video tape recorder or demodulator. Models are available to provide cable TV channel operation from 2 to 125 (54–806 MHz) with +45 dBmV RF output level. All required FCC Docket 21006 frequency offsets are set automatically through the use of an internal microprocessor. FCC group delay pre-distortion is built into all of the AMMs for quality video and color performance. The AMM also features a die-cast chassis that provides RFI protection and heat dissipation. The modulator is compatible with all BTSC stereo encoders that provide a composite baseband audio output.




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