Signal Connections; General; Input Connectors; Overview - TANDBERG TT1220 Instruction Manual

2.6

Signal Connections

2.6.1

General

It is strongly recommended that the Technical Earth terminal at the rear panel of the equipment be
connected to a site Technical Earth before any external connections are made and the equipment is
All signal connections are made via the rear panel. The illustration below
shows the back panel with the placement of all options.
Figure 2.2: Typical Rear Panel Connections
NOTE...
The model shown in Figure 2.2 is a TT1220 with NDS VideoGuard BSkyB CA, QPSK input, ASI
output. Connector placement and designation may vary depending on the actual model purchased.
2.6.2

Input Connectors

Overview

Refer to Section 2.5, AC Supply Voltage and Fusing – Safety Information
for ac power supply information.
THE TT1220 IS NOT FITTED WITH AN AC POWER ON/OFF SWITCH. ENSURE THE SUPPLY
SOCKET OUTLET IS INSTALLED OR LOCATED NEAR THE EQUIPMENT SO THAT IT IS

Technical Earth

The Technical Earth provides a suitable connection between the TT1220
and the installation to give a low impedance path at normal operating
frequencies.
Figure 2.3: Technical Earth Connector
Instruction Manual: TT1220 Professional Receivers and Decoders
ST.TM.TT1220.4
CAUTION...
powered. This limits the migration of stray charges.
WARNING...
ACCESSIBLE.
Location of the
Technical Earth
Installing the Equipment
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