Dolby Laboratories DP503 Specifikace

Model DP503Two Channel AC-2/AC-3/MPEGDigital Audio Encoder andDolby Fax SystemUsers' ManualMAIN

1-2This manual includes installation procedures, descriptions of Model DP503operation, installation details, and interface specifications.The compleme

1-3supported with this audio coding technique, and are summarized in the productbrochure.1.4 Available Algorithms, Data Rates and Sample RatesPlease r

1-41.5 Regulatory NoticesFCCThis equipment has been tested and found to comply with the limits for a Class Adigital device, pursuant to part 15 of the

1-5IEC NOTICESThis unit complies with the EMC requirements of of EN55103-1 and EN 55103-2 when installed in an E2environment in accordance with this m

MAIN

SECTION 2APPLICATIONSThe Dolby Model DP503 is suitable for a variety of point-to-point and point-to-multipoint digital transmission applications, incl

2-2Decoder circuitry can be readily incorporated into set-top decoder hardware, orintegrated directly into consumer receiver equipment.2.3 Satellite /

SECTION 2ADOLBY FAX - AN OVERVIEW2A.1 IntroductionThe Dolby Fax system allows high quality audio to be sent over ISDN telephonelines. With a complete

2A-2audio bandwidth while 112/128 kbps calls provide 15-20 kHz audio bandwidth.The 112/128 calls combine or "inverse multiplex" the two swit

2A-3Installation involves:Equipment mountingAudio connectionsData / Status / Control connectionsUsing the “Y” cable to interconnect the DP503, DP524 a

MAIN

2A-4Parameter ValueAlgorithm Type AC-2Data Rate 256Channel Mode 2CSample Rate 48Aux Rate 12ISDN (Inverse Multiplexing type) BONDING-1 644. Save the di

2A-52A.8 Some Specific ApplicationsSeveral applications are shown here. This is not an exhaustive list, neither is it theonly way to set up each appli

2A-6ISDNDolby Fax Dolby Fax Picture Picture(optional)OffsetLocation XAudioTimecodeor bi-phaseNotes2 Audio Channels from X to Y, (1 Audio Channel fro

2A-7ISDNDolby Fax Dolby Fax PicturePicture ExistingAudio TrackAudioMixerLocation XAudioTimecodeNotes2 Audio Channels from Y to X (1 used for code)1

2A-8ISDNDolby Fax Dolby Fax Location XAudioTimecodeNotes2 Audio Channels from X to Y, 2 Audio Channels from Y to X (1 used for code).Timecode Offset i

SECTION 3PRE-INSTALLATION3.1 UnpackingBefore proceeding further, be sure to inspect the outer carton for shipping damage.If there has been any penetra

3-2With a small flat-blade screwdriver, open the fuse compartment door in the ACpower input housing (see figure below).OPEN THEDOORACTIVEFUSE CARRIER(

3-33.4 Configuring Jumper SettingsThe Model DP503 includes certain user-selectable options that are configured bymeans of internal jumpers, as shown b

3-43.4.1 Clock Termination Jumper J12 [terminated]As would be appropriate for most applications, the default condition for the SendTiming inputs on th

3-5S101Switch No.Function Up (Off) Down (On)1 Unit Address (Binary Code) [0]12 [0] 13 [0] 14 [0] 15 [0] 16 Normal/Download(Baud rate set by switches 7

Users' ManualForModel DP503Two Channel AC-2/AC-3/MPEGDigital Audio EncoderandDolby Fax SystemDolby Laboratories IncorporatedU.S.A. 100 Potrero A

3-63.5.2 Switch no. 6 - Mode of Operation: Normal/DownloadThe RS-232 port J108 Rem/Download can be used for 2 functions: upgrading ofthe audio coding

SECTION 4INSTALLATION AND LEVEL CALIBRATIONNoteFor Dolby Fax connections, see Section 4.4 below for additional information. An overview of theDolby Fa

4-2AES and IEC convention calls for XLR pin 2 to be “high/hot” and pin 3 to be“low/cold.” In the interests of maintaining international standardizatio

4-34.3.3 Terminal Adapter ControlThis connection is used only in a Dolby Fax installation. See Section 4.5 below.4.3.4 Remote ControlIf you wish to u

4-4The operating level for analog signals in the Model DP503 is referenced to -18dBrelative to digital full scale; in other words, the DP503 allows fo

4-5At the DP503, connect the end of the “Y” cable labeled “encoder” to J105Encoded Data Out & Timing.At the DP524 digital audio decoder, furnished

4-6console (or next piece of equipment) for the desired operating level. Refer to themanual supplied with the DP524 as necessary.Note::The test tone l

SECTION 5OPERATIONNotes:See the front and rear view figures located at the end of this section. Flow charts illustrating the user interfacestructure

5-2The DIRectory key is used to access the directory functions of the DP503, whichenable the creation, editing, deletion, and access to entries of fre

5-3SHIFT + ENTERInsert/Contrast During editing modes, inserts a spacedirectly above the cursor and movesremaining text to the right. Functionself-can

MAIN

5-41. Algorithm TypeData RateChannel ModeAux Data Rate2. Algorithm TypeSample Rate3. Algorithm TypeData RateISDN parameters (in Dolby Fax applications

5-5ªUse the screen above to change algorithm type, data rate, channel mode,sample rate, and auxiliary data rate (if any).Use the Å and Æ arrow keys to

5-6Æ arrow key to both select the entry and move to the next parameter. Units are kbps(kilobits per second).Note:Available rates are dependent on the

5-7AC2 256 2C 48 12Algorithm Data Channel Sample AuxType Rate Mode Rate RateAvailable sample rates:Label Sample Rate (kHz)32 3244 44.148 485.2.5 To ch

5-85.3 ISDN Setup (for Dolby Fax applications only)Note:An overview of Dolby Fax principles is described in Section 2A. Detailed ISDN orderinginformat

5-9ªUse the screen above to select the switch type used by the phone company (orto select the country of use) and to conform the ISDN unit to the ISDN

5-10Note:The list of available countries continues to grow as the ISDN unit continues to gain governmentapprovals. If your country is not listed, plea

5-11Available characters:Label Label(space) 6071829304#5*PRI SPID1: _Algorithm Data Channel Sample AuxType Rate Mode Rate RateIf required by your phon

5-125.3.4 To configure Line 2 (L2), Line 3 (L3), Line 4 (L4)SW L1 L2 L3 L4Algorithm Data Channel Sample AuxType Rate Mode Rate RatePhone number entry

5-13Note:If the ISDN unit is not powered up, if the ISDN line(s) are not connected to the ISDN unit, or if thecontrol cable between the DP503 and ISDN

TABLE OF CONTENTSSECTION 1 INTRODUCTION1.1 Introduction ...

5-14ªUse the screen above to USE an existing directory entry; EDIT an existingdirectory entry; create a NEW directory entry, or DELete an existing dir

5-15You will then be presented with a screen that allows you to enter a name for thedirectory entry.NAME: _Algorithm Data Channel Sample AuxType Rate

5-16to place the cursor to the next position. When you have finished entering the number,press ENTER to store the name; you will then proceed to the n

5-17EDIT ISDN? Y NAlgorithm Data Channel Sample AuxType Rate Mode Rate RateAs usual, use the Å and Æ arrow keys and the ENTER key to choose Y. You w

5-18If you choose N, you will be presented with the following screenRE-EDIT? Y NAlgorithm Data Channel Sample AuxType Rate Mode Rate RateIf you c

5-19Continue with the remaining screens, using the arrow keys as appropriate to changeonly the parameters that you wish to change.5.4.3 Using Director

5-205.4.4 Editing Directory EntriesUSE EDIT NEW DELAlgorithm Data Channel Sample AuxType Rate Mode Rate RateTo edit an existing directory entry, use t

5-21values displayed will depend on the previously defined state, if you or someone elsehave already saved a different encoder configuration.Tip:If yo

5-22USE EDIT NEW DELAlgorithm Data Channel Sample AuxType Rate Mode Rate RateBegin by using the Å and Æ arrow keys to place the cursor on the first ch

5-23Available characters:AI QY6BJ RZ7CKS0 8DLT19E M U 2 * (begin name with asterisk)F N V 3 SPACEGOW4HP X5The next step allows you to edit the encoder

iiSECTION 4 INSTALLATION and LEVEL CALIBRATION4.1 Mounting...

5-24RE-EDIT? Y NAlgorithm Data Channel Sample AuxType Rate Mode Rate RateIf you choose Y, you will have the opportunity to check your data entry,

5-255.5.3 Using Directory EntriesUSE EDIT NEW DELAlgorithm Data Channel Sample AuxType Rate Mode Rate RateTo use an existing directory entry, use the

5-26 MAIN

5-27MAIN

MAIN

APPENDIX AINTERFACE SPECIFICATIONS AND DESCRIPTIONSA.1 DP503 Connector PinoutsA.1.1 Analog Audio Input, J101 & J102XLR female connectors.Ch A Inpu

A-2A.1.4 Encoded Data Out and Timing, J105DB-37 male connector.Pin Connection Pin Connection1 Shield (chassis ground)2NC 20NC3NC 21NC4 SD + (send data

A-3A.1.6 TA Ctrl RS-232 Port, J107DB-9 male connector.Pin Connection Comments1 DCD direct connection to DTR2 RX asynchronous data in3 TX asynchronous

A-4A.2 RS-449 Interface DescriptionA.2.1 Functional DescriptionThe Dolby DP503 provides a standard RS-449 interface in the type DT mode (dataand timin

A-5A.2.3 Back-to-Back TestingFor purposes of testing the Model DP503 and Model DP524 in a back-to-backconfiguration, a special cable must be construct

iii5.4 Using the DIRectory: Dolby Fax Applications...5-135.4.1 Entering DIRectory Mode ...

MAIN

APPENDIX BSOFTWARE DOWNLOADING PROCEDUREB.1 IntroductionIn the event that a software upgrade is required, the J108 Rem/Download port maybe used to dow

B-25. Download the required files from the PC using one of two methods:a) Use the utility SERLOAD.EXE or SERLOADN.EXE (the latterfor use with Windows

B-3the problem continues after repeating the download process, contact DolbyLaboratories.After displaying the “UPDATE COMPLETE” message for a few seco

MAIN

APPENDIX CDP503 USER INTERFACE STRUCTUREC.1 Setup Menu OperationFrom Codec or Dir Screen*ISDN SETUP SCREENSelect Switch Type**Enable Line1?Edit PRI NU

C-2C.2 Directory Menu Operation - USE*"CALL EDT NEW DEL"Within shapes, text in quotes appears on the LCD, other text idescribes functional

C-3C.3 Directory Menu Operation - EDIT*"CALL EDIT NEW DEL"**Edit Site NameDuplicateor Invalid name?"DUPLICATE NAME" or"INVALI

C-4C.4 Directory Menu Operation - NEW*"CALL EDT NEW DEL"**Edit Site NamenoNEW"DIR FULL"Is Dir full?Flash displayDuplicate or inval

C-5C.5 Directory Menu Operation - DEL*"CALL EDT NEW DEL"NSelect Site"DELETE ENTRY?"DELDelete entry and reindex directoryY= user in

MAIN

MAIN

APPENDIX DISDN ORDERING GUIDE (NORTH AMERICA)D.1 IntroductionThe following ISDN ordering guide is for Dolby Fax users ordering ISDN servicefor the Asc

D-2The information the phone company needs to give you is:The switch type that the ISDN circuits are connecting to at the CO(Central Office)and the IS

D-3If your switch type is a Northern Telecom DMS-100, provide the followinginformation to your phone company regarding the ISDN unit:Parameter Value N

D-4B CHANNEL REQUIREMENTSDolby Fax locations that have and call locations with 64 kbps B channels:Two ISDN BRI Lines are required.Dolby Fax locations

APPENDIX EGLOSSARY OF ISDN TERMSBasic Rate Interface (BRI)An ISDN interface that provides two 64 kbps digital B (Bearer) channelsfor voice or data and

E-2Inverse MultiplexingInverse Multiplexing is the process of distributing a high bandwidthbitstream (like the default Dolby Fax format which operates

E-3BONDING-1 56This version of inverse multiplexing is identical to BONDING-1 64but is used when connecting to either 56 kbps ISDN or Switched 56lines

E-4Regional Bell Operating Company. There are seven RBOCs, or local phonecompanies, throughout the U.S. that provide local telephone service andexchan

SECTION 1INTRODUCTION1.1 IntroductionThe Dolby Model DP503 is a digital audio encoder supporting up to two channelsof Dolby AC-2, Dolby Digital (AC-3)