MRC DRS4000, Руководство пользователя и техническое руководство

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Installation 4-9 DRS4000 Receiver User and Technical Manual
7. Securely fasten the second BCD to the mounting pole.
8. Connect each BCD to the receiver using high quality
UHF cables.
9. Repeat these steps for the next pair of antennas.
Note Signal quality will degrade if the antennas are
installed closer than the recommended
minimum separation distance.
The separation distance between the antennas will require fine
tuning for optimum performance. Always start at the minimum
recommended distance the antennas should be adjusted in
quarter wavelength increments, as shown in
Table 4-1 on
page 4-7 .
4.10 Audio Connections
The AUDIO 1 to AUDIO 4 mini-XLR connectors provide the
analog audio output. They can be used as four monaural outputs
or two stereo pairs depending on how the remote transmitter is
configured. Pinout information is shown in
Table 4-2 .
Table 4-2: Pinouts for Audio Connector
Connector Information Pinout
Signal
Description
1 Ground
2 +
3 -
2
1
3
4.11 Video Connections
For all TNC connectors, the signal is carried on the center pin
and voltage to the block downconverters is carried on the outer
ring, as shown in
Figure 4-5 .
Figure 4-5: Typical TNC Connector
BDC 1 to BDC 4 The Block Downconverter (BDC) connectors
are TNC connectors that accept the UHF signals from the
downconverters and their corresponding antennas.
For all BNC video connectors, the signal is carried on the center
pin, as shown in
Figure 4-6 .
Figure 4-6: Typical BNC Connector
CV 1, CV 2 The Composite Video (CV) connectors are 75 ohm,
female, BNC connectors that output an analog video signal.
SDI The Serial Digital Interface (SDI) connectors are 75 ohm,
female, BNC connector providing video data streams from the
Ground
Signal
Ground
Signal