Crown 137769-3 operation manual Getting Started With the DBC Network Bridge

Models: 137769-3

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DBC Network Bridge

1 Getting Started With the DBC Network Bridge

Welcome! This Quick-start guide will get you up and running in a short time. Then please refer to the rest of the manual for details on the DBC™ Network Bridge and its operation.

IMPORTANT: Unplug power cord from AC outlet before wiring.

1.1 Hardware Installation

You will need:

Crown power amplifiers with USP3-CN PIP modules installed, or Crown I-Tech CobraNet- version power amplifiers

A computer running IQwic software

A 100Mb network switch

An Ethernet cable (RJ45 connector on each end) for use between the computer and network switch

Two Ethernet cables for use between the DBC Network Bridge and the network switch. One cable is sufficient, but two allow redundancy.

An Ethernet cable between the network switch and each USP3-CN module (or Ethernet connector) installed in a Crown power amplifier.

1.1.1Audio and Network Connections Please refer to Figures 1.1 and 1.2.

1.Mount the DBC Network Bridge in a standard 19-inch (48.3-cm) equipment rack or cabinet.

2.Turn off all equipment that will connect to the unit.

3.Connect the AES/EBU digital output signal from your cin- ema processor, media player, or feature server to the analog DB25 connector on the back of the DBC Bridge. DB25 wiring is shown in Table 1 on the next page. Alternatively, connect the analog output signal from your cinema processor to the Analog DB25 connector on the back of the DBC Bridge.

DB25 wiring is shown in Table 2 on the next page.

4.See Figure 1.2. Connect any auxiliary mic or line signals to the female XLR Auxiliary Inputs on the back of the DBC Network Bridge. Set the MLP switch for Mic, Line, or Phan- tom-powered mic. Adjust gain potentiometers to optimize gain structure.

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Figure 1.1 System Wiring

XLR connector wiring:

pin 1: shield

pin 2: signal hot

pin 3: signal cold

Figure 1.2 Audio Inputs on the Back Panel of the DBC Bridge

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Operation Manual

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Crown 137769-3 Getting Started With the DBC Network Bridge, Audio and Network Connections Please refer to Figures 1.1