User`s manual

VC-55™ PR Voice Codec Board

User’s Manual Version 1.3

(Subject to Change) Page v

DVSI CONFIDENTIAL PROPRIETARY

Section – Table of Contents

Table of Contents

Section 1 INTRODUCTION .....................................................................1

GENERAL INFORMATION.........................................................................................1

Section 2 INSTALLATION ......................................................................3

OPERATION OVERVIEW..........................................................................................3

VC-55™- PR VOCODER BOARD CONNECTIONS .....................................................3

Connecting DC Power ................................................................................5

Analog Audio I/O.........................................................................................6

Handset.......................................................................................................6

USB Port .....................................................................................................6

Connecting two Boards together via UART................................................7

Connecting the UART Serial Connection to another device ......................7

Section 3 SETUP & CONTROL...............................................................8

OVERVIEW ............................................................................................................8

Installing USB driver INF files On Windows 2000/XP/Server 2003............8

Installing USB driver INF files on Windows 98/Me: ....................................9

Running the VC-55™ Vocoder Board Program vc55param.exe..............10

Running the Program................................................................................12

VC-55™ -PR Vocoder Board Status.........................................................13

Section 4 CHANNEL INTERFACE..........................................................15

VOCODER BOARD CHANNEL BASIC OPERATION ....................................................15

DATA STRUCTURE ...............................................................................................15

Section 5 SPECIFICATIONS .................................................................17

INTRODUCTION ....................................................................................................17

BOARD CONNECTIONS .........................................................................................17

Channel Connection .................................................................................17

Audio I/O Connections..............................................................................17

USB Connection .......................................................................................18

ELECTRICAL INPUT ..............................................................................................18

MECHANICAL.......................................................................................................19

Section 6 SUPPORT ...........................................................................20

DVSI TECHNICAL SUPPORT .................................................................................20

List of Tables

ABLE 1 OPTIONAL ACCESSORY KIT .......................................................................................2

TABLE 2 TOP PANEL CONNECTORS ........................................................................................5

TABLE 3 J7 PINOUT ...............................................................................................................6

TABLE 4 UART SERIAL PORT SETTINGS .................................................................................7

TABLE 5 VC55PARAM VARIABLES ..........................................................................................12

TABLE 6 VC55PARAM OUTPUT TO SCREEN.............................................................................13

TABLE 7 STATUS LED'S .......................................................................................................13

TABLE 8 PACKET STRUCTURE..............................................................................................15

TABLE 9 VOCODER RATE ELEMENTS ....................................................................................16