ADC Tower-Mounted Amplifiers manual ClearGain Tower-MountedAmplifiers, Americas, Features

8 / 0 7 • 1 0 5 1 8 7 A E ClearGain® Tower-Mounted Amplifiers

ClearGain® Tower-Mounted Amplifiers

Americas

Singlemode and Dual Mode 800/1900 MHz Power Distribution Unit

Time and space are important considerations when selecting and installing wireless components at base transceiver station sites. The simple, compact design of ADC’s ClearGain Power Distribution Unit (PDU) is intended to help service providers save both. From a compact unit that is easily mounted on a wall or a rack, ClearGain PDUs provide power and alarming for ADC’s tower-mounted amplifiers.

Features:

•Provides power and alarm functions for on-site monitoring of masthead units (MHUs)

•Monitors condition of feeder cable

•Wall- or rack-mountable to fit available space

•LED indicators for alarm functions

•Simple, compact design allows for easy installation and connections

The ClearGain PDU is an integrated unit that provides power and alarm functions for the ClearGain TMA system. The ClearGain Singlemode PDU provides power for up to six single frequency TMAs. For dual band systems, the ClearGain Dual Mode PDU provides power for up to six dual band TMAs or twelve multi-frequency systems that amplify a single frequency.

The PDU monitors the current of the MHU. If an MHU fails, the ClearGain PDU gives an alarm indication. The ClearGain PDU also monitors the condition of the feeder cable. Alarm indicators identify failure in the feeder cable or MHUs and in which MHU the failure occurred, providing fast and easy on- site diagnostics. The flexible design of ClearGain PDUs allows them to be rack-mounted or mounted indoors on the wall or on the side of a BTS cabinet.

An external Bias-T unit is used in conjunction with the PDU and is designed to connect directly into the BTS coaxial connector. Bias-T units are available with various connector types, with gas tube arrestors for lightning protection on the ANT and MHU ports. Quarter wave stub lightning protection is integrated on the BTS port of the Bias-T units.

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