Table of Contents
Advertisement
NOTE...
There is no user-replaceable fuse in the rear of the unit.
2.5.2
Technical Earth
The Technical Earth provides a suitable connection between the TT1222
and the installation to give a low impedance path at normal operating
frequencies. A terminal at the rear panel (left of the power socket) is
provided to:
1. Ensure all equipment chassis fixed within a rack are at the same
technical earth potential. To do this, connect a wire between the
Technical earth terminal and a suitable point on the rack.
2. Eliminate the migration of stray charges when connecting between
equipment.
Figure 2.2: Technical Earth Connector
NOTE...
The technical earth shall be fitted with a bolt of M4 x 6 dimensions, 4 millimetres in diameter, and no
longer than 6 millimetres.
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
2.5.3
AC Power Supply Cord
General
A mains cord is normally supplied with this product. It is fitted with a
moulded plug suitable either for mainland Europe, the UK, Australia or
USA as advised when ordered.
NOTE...
The TT1222 is not fitted with an ac power supply ON/OFF switch. Ensure the socket-outlet supplying
the equipment is installed near the equipment, so that it is easily accessible.
When replacing the power cord in the USA, make sure to always replace it
with a cord of the same type. The cord should be of type: Feller type SVT
cord rated 3x18 AWG with plug 498 G and appliance coupler C13.
Reference Guide: TT1222 4:2:0 Professional Receiver
ST.RE.TT1222.2
Location of the Technical Earth
CAUTION...
powered. This limits the migration of stray charges.
Installing the Equipment
Page 2-7
Advertisement
Chapters
Table of Contents
