General Information; Preparations - R&S N 8000 Series System Manual

1

General Information

Transmitters are put into operation by means of the graphical user interface of the R&S
NetCCU800.
1.1

Preparations

Before you can put a transmitter into operation, it must first have been fully installed. Check
the following list to ensure that all connections have been correctly made:
 Check whether all the modules delivered have been correctly installed and connected
as necessary.
 Check whether the transmitter has been correctly connected to the AC supply. Please
note:

Connection in general
– Power feed, rack ground, air cooling system, 50  test load (dummy antenna) in ap-
propriate cases, power-handling capacity P > nominal transmitter power, directional-
coupler filter, matrix or antenna

Connections involving RF carrier loops and fault messages
– Set up the following jumpers/connections on the power distribution board connectors
(the name of the connector concerned is printed on the board).
RF carrier loop in operation -
RF Carrier loop on standby -
Fault message for rack absorber -
Fault message for system absorber -
(In the case of multi-rack transmitters the overtemperature switches of the respective
RF absorbers are connected to the absorber fault message inputs.)
Fault message for external cooling -
If customer instruments having interlock circuit outputs such as control monitoring
are present, you can loop in these instruments in place of the wire jumpers.

Emergency-off switch

Motor protection switches to be set at 5 A
 Check the phase sequence of the AC supply voltage.
 Switch off the main disconnect switch Q1, together with all motor protection switches
and automatic line fuses.
 Check that all screws and nuts are securely fastened, especially those on the transmitter
RF output.
2098.0188.72
Chapter 4
X41 1-2
X41 3-4
X42 1-2
X42 3-4
X44 1-2
X7 (if available)
- 4.1 -
Commissioning
E-1