User's Manual Part 1

2.1. The Remote Unit TFAxxx and relevant TKA installation kit

The TFAxxx is a device providing optical-to-electrical downlink conversion and electrical-to-optical

uplink conversion, thus allowing a bidirectional transmission of signals between one TFLN and the

remote antennas. It is available in 3 versions (low-power, medium-power, and high-power), each

designed in order to support different output power levels on RF antenna ports.

Fig. 2: Different Remote Unit cases

In downlink each TFAxxx receives an optical signal from the TFLN, performs an optical-to-RF

conversion, and transmits the resulting signal to the 2 antenna ports.

In uplink it receives a RF signal from remote antennas, provides a RF-to-optical conversion, and

conveys the converted signal to the TFLN over the optical fibres.

Fig. 3: TKA mounting kit for low and medium power remote units

Each TFAxxx can be provided with an optional TKA installation kit, which contains a fibre optics

splice holder and a compact case for an easy installation of the TFAxxx on walls or poles.

Moreover, the TKA compact cases are able to provide the TFAxxx with the different IP protection

levels, depending on the specific environmental requirements.

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