Front haul test combines fibre and RF measurement

For the installation and operation of high-speed LTE networks, the Anritsu Network Master Pro MT1000A now has a CPRI RF module. The company claims that this addition makes it a single handheld instrument for efficient LTE CPRI testing and verification of the latest generation of tower-mounted radios (remote radio heads, or RRHs).

The instrument has a fast sweep speed, allowing it to conduct measurements up to 10x faster than comparable handheld test solutions, claims the company. Users can capture all interfering signals, including intermittent or ‘bursty’ interferers missed by current alternatives. A spectrum/spectrogram tune and zoom feature allows users to zoom in on an area of interest to provide more detailed information for better identification of an interfering signal’s origin.

The CPRI RF module supports all leading RRH radios. It allows the MT1000A to conduct RF-based LTE measurements over a fibre optic CPRI link at ground level, rather than having to climb a tower. Designed with two SFP ports, the RF module allows CPRI spectrum, CPRI spectrogram, SFP data, and CPRI Layer 2 Alarms and optical power measurements to be made.

The module features pre-configured network element manufacturers (NEM) set-ups to simplify what has been one of the most difficult aspects to conducting RF measurements over CPRI, says the company. This is claimed to reduce test set-up time and lower possibility of errors.   

A single-mode optical tap accessory and a combination single-mode/multi-mode 50micron optical tap accessory are also available. An SFP matching the connected CPRI link rate and optical cables are also offered.

The lightweight MT1000A supports transport testing from 1.5Mbit/s to 10Gbit/s.


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