Dolby Laboratories DP503 Internal Fuse

3-2

With a small flat-blade screwdriver, open the fuse compartment door in the AC

power input housing (see figure below).

OPEN THE

DOOR

ACTIVE

FUSE CARRIER

(LOWER)

FUSE

Check that the fuse in the active (lower) fuse carrier is of the correct rating. A spare

fuse can be stored in the upper fuse carrier position.

Snap the fuse compartment door closed.

Internal Fuse

The switching power supply contains a separate fuse. Most fault conditions should

be protected by the main fuse. The internal fuse rating is:

2 Amp, 250V, 20 mm, fast-blow.

MAIN

Contents

Main Page Users' Manual For Model DP503 Page TABLE OF CONTENTS Page Page Page SECTION 1 INTRODUCTION 1.1 Introduction 1.2 Features 1.3 Dolby AC-2 and Dolby Digital (AC-3) Page 1.5 Regulatory Notices FCC UL UK 1-5 IEC NOTICES GB F D I Page SECTION 2 APPLICATIONS 2.1 Telecommunications Dolby Fax 2.2 Cable 2.3 Satellite / Terrestrial Radio Communications SECTION 2A DOLBY FAX - AN OVERVIEW 2A.1 Introduction 2A.2 Algorithms and Applications ISDN 2A.3 Quick Start for Equipment Installation 2A.4 Quick Start for ISDN Setup 2A.5 Quick Start for Developing a Phone Directory 2A.6 Quick Start for Placing Dolby Fax Calls 2A.7 Receiving Dolby Fax Calls 2A-5 2A.8 Some Specific Applications ISDN Location X Location Y Stereo Playback Soundtrack Approval 2A-7 ISDN Location X Location Y Dubbing Sound to Picture Multi-track Recording SECTION 3 PRE-INSTALLATION 3.1 Unpacking 3.2 Inspection 3.2.2 Claims for Shipping Damage 3.3 Fusing Information Main Fuse: Internal Fuse 3.4 Configuring Jumper Settings Removing the Top Cover 3.4.1 Clock Termination Jumper J12 3.4.2 Analog Audio Input Termination J13/J14 3.4.3 Signal Ground-to-Chassis Link J15 3.5 Configuring the Rear Panel DIP Switch S101 3-5 3.5.1 Switch nos. 1-5 - Unit Address Note The address is set using conventional binary codes as follows: 3.5.2 Switch no. 6 - Mode of Operation: Normal/Download 3.5.5 Switch nos. 7 & 8 - Baud Rate Set SECTION 4 INSTALLATION AND LEVEL CALIBRATION 4.1 Mounting 4.2 Audio Connections 4.2.1 S/PDIF Input 4.2.2 AES/EBU Input 4.2.3 Analog Input 4.3 Data / Status / Control Connections 4.3.1 Encoded Data Out and Timing 4.3.2 Auxiliary Data 4.3.3 Terminal Adapter Control 4.3.4 Remote Control 4.4 Power 4.5 Level Calibration (Analog Inputs) Calibration Procedure 4.6 Dolby Fax ConnectionsAdditional Procedures 4.6.1 Mounting 4.6.2 Audio Connections 4.6.3 Encoded Data Out and Timing Page 4.6.10 ISDN Connections SECTION 5 OPERATION 5.1 Introduction to the User Interface 5.1.1 Push-button Key Description Page 5.1.2 Operational Modes 5.1.3 Operational Hierarchy 5.2 Encoder Configuration 5.2.1 To change Algorithm Type 5.2.2 To change Data Rate 5.2.3 To change Channel Mode 5.2.4 To change Sample Rate 5.2.5 To change Aux Rate (auxiliary data rate) 5.3 ISDN Setup only ) 5.3.1 Entering ISDN Setup Mode 5.3.2 To choose Switch Type 5.3.3 To configure Line 1 (L1) ENABLE L1? Y N PRI NUM1: _ PRI SPID1: _ SEC NUM1: _ SEC SPID1: _ 5.3.4 To configure Line 2 (L2), Line 3 (L3), Line 4 (L4) 5.3.5 Concluding ISDN Setup UPDATE TA? Y N UPDATING TA... 5.4 Using the DIRectory: Dolby Fax Applications 5.4.1 Entering DIRectory Mode 5.4.2 Creating New Directory Entries NAME: _ PHONE: _ EDIT CODEC? Y N EDIT ISDN? Y N BONDING-1 64 STORE ENTRY? Y N RE-EDIT? Y N 5.4.2.1 Using the COPY ENTRY? Feature INITIALIZING TA YOUR ENTRY 1 5.4.4 Editing Directory Entries 5.4.5 Deleting Directory Entries 5.5 Using the DIRectory: Encoder-only Applications AC2 256 2C 48 12 5.5.1 Entering DIRectory Mode 5.5.2 Creating New Directory Entries NAME: _ EDIT CODEC? Y N STORE ENTRY? Y N RE-EDIT? Y N 5.5.2.1 Using the COPY ENTRY? Feature 5.5.3 Using Directory Entries 5.5.4 Editing Directory Entries 5.5.5 Deleting Directory Entries Page Page Page APPENDIX A INTERFACE SPECIFICATIONS AND DESCRIPTIONS A.1 DP503 Connector Pinouts A.1.1 Analog Audio Input, J101 & J102 A.1.2 AES/EBU Digital Audio Input, J103 A.1.3 S/PDIF Digital Audio Input, J104 A-2 A.1.4 Encoded Data Out and Timing, J105 DB-37 male connector. A.1.5 Aux/Acc RS-232 Port, J106 DB-9 female connector. A-3 A.1.6 TA Ctrl RS-232 Port, J107 DB-9 male connector. A.1.7 Rem/Download RS-232 Port, J108 DB-9 female connector. A.1.8 Status, J109 A.2 RS-449 Interface Description A.2.1 Functional Description A.2.2 Interface Timing A.2.3 Back-to-Back Testing A.2.4 Dolby Fax Cable Pinout, Part No. 83293 Page APPENDIX B SOFTWARE DOWNLOADING PROCEDURE B.1 Introduction B.2 Software Downloading Procedure DP503 INIT XX.X READY TO LOAD... SERLOAD COM# BAUD FILENAME UPDATE COMPLETE Page Page APPENDIX C DP503 USER INTERFACE STRUCTURE C.1 Setup Menu Operation C-2 C.2 Directory Menu Operation - USE C-3 C.3 Directory Menu Operation - EDIT C-4 C.4 Directory Menu Operation - NEW C-5 C.5 Directory Menu Operation - DEL Page APPENDIX D ISDN ORDERING GUIDE (NORTH AMERICA) D.1 Introduction D.2 Ordering ISDN Service D.2.1 Switch Types D.2.2 B Channels D.3 Regional Bell Operating Companies ISDN Hotlines APPENDIX E GLOSSARY OF ISDN TERMS