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Dolby Laboratories DP570 Stereo System User Manual

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DP570 Multichannel Audio Tool User’s Manual

Connector Specifications Video Ref

B.4 Video Ref

TheVideoRefconnectionsareBNCunbalancedfemaleconnectorsthatreceiveNTSC

compositeprogramsorcolorblackvideo.SignallevelsarecompliantwithSMPTE154

specifications.Twoconnectorsareprovidedinparalleltoprovideloop‐throughcapability.

Thisinputdoesnotsupplyaclocksignaltothe unitbutratherallows

themetadataoutput

tomaintainsyncwithavideoreference.

B.5 Lt/Rt Inputs

TheseareBNCunbalancedfemaleconnectorscompliantwithAES‐3id‐1995/SMPTE276M

specifications.TwoconnectorsareprovidedinparallelfortheLt/Rtinput toprovide

loop‐throughcapability.

B.6 Metadata Input Ports

Theseportsare9‐pinfemaleD‐connectorswithfull‐duplexRS‐485protocolrunningat115

kbps.ThepinoutisSMPTE207Mcompat ible.

B.7 Metadata Output Port

Theseportsare9‐pinfemaleD‐connectorswithfull‐duplexRS‐485protocolrunningat115

kbps.ThepinoutisSMPTE207Mcompat ible.

Table B-2 Metadata Input Port Pinout

Pin Connection

1Shield

2

TXAasynchronousdatain–

a

a.SeethenoteonDCEequipmentonpage 71.

3

RXBasynchronousdataout+

a

4Ground

5NC

6Ground

7

TXBasynchronousdatain+

a

8

RXAasynchronousdataout–

a

9Shield

Table B-3 Metadata Output Port Pinout

Pin Connection

1Shield

2

RXAasynchronousdataout

a

–

3

TXBasynchronousdatain

a

+

4Ground

5NC

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