Cable Electronics CE Labs SW808HD Buku Petunjuk - Halaman 4

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MATRIX SYSTEM OVERVIEW

Matrix System

The Matrix Switch is a high performance system used to switch

audio/video frequencies. It will cross switch multiple input/output

audio/video signals through independent Y/Pb/Pr component and

audio input/output terminals. Each Y/Pb/Pr component signal and

audio signal is transmitted separately and switched separately,

thereby minimizing signal attenuation and ensuring high definition

graphics and high fidelity audio signal output.

The primary use is; TV broadcasting projects, multi-media conference

halls, large display projects, TV teaching, and command control

centers. It features power interruption protection during power surge,

LCD display, and synchronous and separate audio/video switching

functions. The RS-232 and RS-485 communication ports enable

convenient communication with remote control equipment. This

manual describes the SW404HD and SW808HD models.

Matrix System Models

Model

Video

Input Port

Output Port

SW404HD

SW808HD

Matrix System Packing

When unpacking, ensure the following items are found:

• One SW XXX HD Matrix

• One RS-232 cable

• One power cable

• One testing and application CD

• One user manual

• Two green terminals

Matrix Host Installation

The SW XXX HD Matrix should be placed on a sturdy desk or installed

on a 19-in rack

h c

c i

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a r

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Audio

RS-485

RS-232

Audio

Input Port

Connector

Output Port

Address Byte (Command Type A and B)

CRC

Broadcast Reserved

CRC

BT: Broadcast

0: Instruction for one machine with matching Machine ID

1: Instruction for all machines

If BT = 1, machine will not return a response packet.

If BT = 0, machine must respond

CRC: CRC-8

0: Host (computer) does not append a CRC byte at end of

command packet

1: Host appends a CRC byte to end of command packet

Instruction Code Byte (Command Type A and B)

VAR

Variable

Reserved Instruction Code (6-bit command)

Length

VAR: Variable Length

0: The command packet is 4 bytes with Output and

Input bytes

1: The command packet is variable length and

contains a length byte indicating the number of

Output and Input bytes

Length Byte (Command Type B only)

Number of Output and Input Bytes to follow not including CRC

Output Byte (Command Type A and B)

Refer to Command Table

Input Byte (Command Type A and B)

Refer to Command Table

CRC (Command Type A and B)

CRC-8 calculated from all bytes in packet.

Appended if CRC bit set in Instruction code

Machine ID (5-bit address)