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2 data emitter socket (data), 3 rf receiver / uhf input connectors (3x), 4 rf receiver / uhf output connectors (3x) – Grass Valley HD Wireless User Manual

Page 69

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HD Wireless User’s Guide (v6.2)

69

Chapter 6 - Connectors

6.2.2 Data emitter socket (DATA)

6.2.3 RF receiver / UHF input connectors (3x)

6.2.4 RF receiver / UHF output connectors (3x)

5

4

3

2

1

9

8

7

6

Pin Description

1

GND

2

GND

3

SPI_SCK Output

4

SPI_MOSI Output

5

SPI_MISO Output

SubD 9-pin female

connector

This socket is used to connect the AMU to the data emitter unit of the antenna
assembly.

Data emitter configuration SPI bus: RS 232 levels ~ ±10V;

Data emitter Tx Data: RS 232 levels ~ ± 10 V

Pin Description

6

SPI_SS Output

7

Data Output

8

12 V

9

12 V

These sockets are used to connect the AMU to the antenna receiver
units of the antenna assembly.

Always use 75

 cables. Phantom power of +9 V is always switched

on.

BNC connectors

These sockets are for measurement purposes only. Use short 75

cables only for measuring equipment.

Caution: The RF gain between UHF In and UHF out depends on UHF
In power:

~ +3 dB for UHF In power < ~ -45 dBm

~ -15 dB for UHF In power > ~ -45 dBm

BNC connectors