TANDBERG M2/TT1220CIF/D, Инструкция по эксплуатации

Страница: 27 / 114

Installing the Equipment
Instruction Manual: Professional Receivers and Decoders (IRD) Page 2-9
ST.TM.TT1220.1
2.6 Signal Connections
2.6.1 General
CAUTION…
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
powered. This limits the migration of stray charges.
All signal connections are made via the rear panel. The two standard rear
panels are shown in Figure 2.3 for DVB CI and Figure 2.4 for NDS
VideoGuard Director.
CVBS
QPSK IN
DC OUT
CVBS RS232 REMOT E AUDIO
DVB COMMON INT ERFACE
SAFETY LABEL ON SIDE
RS232
DAT A
ALARM
Figure 2.3: Common Interface Version
AUDIO 1 AUDIO 2 ASI OUT CVBS
QPSK IN
DC OUT
CVBS RS232 REMOT E
SMARTCARD
SAFETY LABEL ON SIDE
RS232
DAT A
ALARM
Figure 2.4: NDS VideoGuard Version
2.6.2 Input Connectors
Overview
Refer to Section 2.5, AC Supply Voltage and Fusing – Safety Information
for ac power supply information.
WARNING…
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
ACCESSIBLE.
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.
Technical Earth
Figure 2.5: Technical Earth Connector