Service Manual

GSM-204-323

Top section

31st Oct 01

Tech. 2–6

Technical Description: Horizon

macro

outdoor

CONTROLLED INTRODUCTION

68P02902W02-A

Top section

description

The top section provides:

 A basket to hold up to three Tx blocks. This includes three holes to enable

connection of CTU Tx cables to the underside of each Tx block. The holes

also allow cooling of the Tx blocks from underneath.

 A slot for insertion of the SURF module.

 A location hole for the interface panel. The interface panel is positioned

into the top section from underneath and fixed from the top.

 Cable holes for fibre optic extension cables (from the MCUF FMUX to an

FMUX of another cabinet), and alarm cables.

 Earth plates fitted to the ends of the top wrap. The earth plate contains the

RF cabling, which allows the connection of external antennas to internal

RF cabling, at the cable entry side. A blank plate or expansion plate is

fitted at the opposite end of the top wrap.

 A panel for the power supply unit dc output and external battery cables.

 A location hole for the number 1 ac distribution box (the power supply

input connection and switching). The number 1 ac distribution box slots

into the top section from underneath.

 The top section also houses krone blocks and an ac outlet socket.