Installation Instructions; Specific Safety Instructions - Triax TWB 40 Manual Del Usuario

Installation instructions

Introduction
The purpose of this guide is to enable the successful installation of the TRIAX SAT Fibre Optic System, utilizing the OTX at
the headend. Please read and follow the advices comprehensively.
Functional description
The Wideband LNB TWB 40 is preferred for using with the TRIAX SAT Fibre Optic Transmitter OTX in order to utilize the
SAT FO Headend fibre optic distribution networks. The LNB is designed with two fixed SAT-IF wideband outputs with F-
female connectors. The LNB is voltage supplied by the OTX transmitter via V- port (+12V) and the H-port (+20V).
Fig. 1 Wideband LNB TWB 40 connection with SAT Fibre Optic Transmitter OTX

Specific safety instructions


The installation is carried out by a competent person.

A site survey has been completed; the location for dish has been chosen and the dish has been installed
comply with the user manual of the dish and with the safety requirements of the EN 60728-11 especially in
terms of grounding of the dish and mast.

Fasten all screws to fix dish and LNB when mechanical adjustments for best reception have solved.
Installation

Mount the LNB into the feed holder of the dish. Firstly do fasten the screw only slightly.
 Connect a SAT-IF level meter with DC supply 18V to H- or 13V to V-port of the LNB.

Align the dish to the wanted Satellite position by reaching the top output level on level meter.

Adjust the position of the LNB by slightly rotation of the LNB to + or – in order to get highest cross polarization
rejection and MER value on the level meter. Fasten all screws to fix dish and LNB finally.

Connect the coaxial patch cables to the OTX (aware: HH and VV).

The coaxial cable connectors should be water proofed e.g. by gel boot and amalgamating tape.
EN
SAT Fibre Headend OTX 1310 and OTX 1550
4
ENGLISH
Rev. 1 (09-2021)