Harman Mark Levinson Protocol Series Manual
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Harman Mark Levinson Protocol Series Manual

Harman Mark Levinson Protocol Series Manual

Cd/sacd player
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Serial Protocol
o
N
512
CD/SACD Player

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Summary of Contents for Harman Mark Levinson Protocol Series

  • Page 1 Serial Protocol CD/SACD Player...
  • Page 2 This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la Classe B est conforme à la norme NMB-003 du Canada. Mark Levinson and the Mark Levinson logo are trademarks of Harman International Industries, Incorporated, in the United States and/or other countries.

  • Page 3: Table Of Contents

    Mark Levinson 512 CD/SACD Player Serial Communications Protocol Documents Change List Definitions, Acronyms, and Abbreviations General Description Serial Port and Cable Configuration Physical Connection Using a RJ-11 Cable Ethernet Port & Cable Configuration Physical Connection using Ethernet Cables Message Formats and Examples Format of the Message Fields Incoming Messages Outgoing Messages...

  • Page 4: Documents

    512 CD/SACD Player Serial Communications Protocol Mark Levinson 1 Documents The following documents should also be used with this document to understand how this protocol can be used with the N 512 CD/SACD Player. 070-19027 512 CD/SACD Player Owner’s Manual 1.1 Change List No changes have been made.

  • Page 5: General Description

    Mark Levinson 512 CD/SACD Player Serial Communications Protocol 3 General Description An external host controller can use the external protocol to control the N 512 CD/SACD player. The protocol consists of simple ASCII character set based commands, which are passed to the N 512 as command packets via either RS-232 port or the Ethernet port.

  • Page 6: Ethernet Port & Cable Configuration

    512 CD/SACD Player Serial Communications Protocol Mark Levinson RS-232 Cable Using RJ-11 to DSUB-9 Connectors: 4 Ethernet Port & Cable Configuration The N 512 is capable of obtaining a dynamically allocated IP address when connected to a DHCP server. The DHCP setting can be modified via the internal Web page of the N 512.

  • Page 7: Message Formats And Examples

    Mark Levinson 512 CD/SACD Player Serial Communications Protocol 5 Message Formats and Examples The external protocol consists of a structured format string with specific fields used to indicate: Message type Source of the command Command Status/Parameter Messages can be transmitted to (incoming) and received from (outgoing) the N 512 to facilitate system control via RS-232 or Ethernet connection.

  • Page 8: Incoming Messages

    512 CD/SACD Player Serial Communications Protocol Mark Levinson 5.2 Incoming Messages The Header Field (1st field) of every external protocol string indicates the type of message contained within the transmitted string. All incoming messages to the N 512 contain the string “RQST” in the header field.

  • Page 9: Example Response - Rsp

    Mark Levinson 512 CD/SACD Player Serial Communications Protocol 5.5 Example Response - RSP RSP:CS:PWR:ACK\r – outgoing Response (RSP) generated from a Control Source request, indicating the command (PWR) is valid and the parameter supplied during the request is within the expected range, acknowledging (ACK) the request is being processed. RSP:CS:PWR:ON\r –...

  • Page 10: External Protocol Commands

    512 CD/SACD Player Serial Communications Protocol Mark Levinson 7 External Protocol Commands The command examples under the field “Incoming Request” assumes the keywords RQST:CS: precedes the command parameter indicated in the table, i.e. RQST:CS:PWR:ON\r The command examples under the field “Outgoing Response” must include the keyword RSP:CS: preceding the response indicated in the table, i.e.

  • Page 11: Drawer

    Mark Levinson 512 CD/SACD Player Serial Communications Protocol 7.3 DRAWER Command Parameter Function Incoming Request Outgoing Response Comment DRAWER TOGGLE Open/Close Drawer DRAWER:TOGGLE\r DRAWER:ACK\r Also removes the player from Standby mode. OPEN Open Drawer DRAWER:OPEN\r DRAWER:ACK\r CLOSE Close Drawer DRAWER:CLOSE\r DRAWER:ACK\r Request Current Drawer State DRAWER:?\r...

  • Page 12: Fpdwnup

    512 CD/SACD Player Serial Communications Protocol Mark Levinson 7.5 FPDWNUP Command Parameter Function Incoming Request Outgoing Response Comment Front Panel Button Pressed FPDWNUP STOP Down and Released FPDWNUP:STOP\r FPDWNUP:ACK\r PLAY FPDWNUP:PLAY\r FPDWNUP:ACK\r Also removes the player from Standby mode. PAUSE FPDWNUP:PAUSE\r FPDWNUP:ACK\r PTRK...

  • Page 13: Irdwnup

    Mark Levinson 512 CD/SACD Player Serial Communications Protocol 7.7 IRDWNUP Command Parameter Function Incoming Request Outgoing Response Comment Also removes the player from Standby mode. IR Button Pressed Use the VOL command to control the Volume IRDWNUP DRAWER Down and Released IRDWNUP:DRAWER\r IRDWNUP:ACK\r level.

  • Page 14: Msg

    512 CD/SACD Player Serial Communications Protocol Mark Levinson 7.8 MSG Command Parameter Function Incoming Request Outgoing Response Comment Up to 12 ASCII Character MSG Display MSG on Front Panel MSG:HELLO\r MSG:ACK\r No colon, no lower case Clear displayed MSG and return CLEAR to normal display MSG:CLEAR\r...

  • Page 15: Pwr

    Mark Levinson 512 CD/SACD Player Serial Communications Protocol 7.11 PWR Command Parameter Function Incoming Request Outgoing Response Comment Also removes the player from the Player Powered ON from Standby PWR:ON\r PWR:ACK\r Standby mode. STANDBY Place Player into Standby Mode PWR:STANDBY\r PWR:ACK\r System Powered ON.

  • Page 16: Shuffle

    512 CD/SACD Player Serial Communications Protocol Mark Levinson 7.13 SHUFFLE Command Parameter Function Incoming Request Outgoing Response Comment SHUFFLE Set Shuffle option to ON SHUFFLE:ON\r SHUFFLE:ACK\r Set Shuffle option to OFF SHUFFLE:OFF\r SHUFFLE:ACK\r Request Current Shuffle option State SHUFFLE:?\r SHUFFLE:OFF\r SHUFFLE:?\r SHUFFLE:ON\r The player is in Standby Mode so...

  • Page 17: Track

    Mark Levinson 512 CD/SACD Player Serial Communications Protocol 7.15 TRACK Command Parameter Function Incoming Request Outgoing Response Comment TRACK PTRK Move to Previous Track TRACK:PTRK\r TRACK:ACK\r NTRK Move to Next Track TRACK:NTRK\r TRACK:ACK\r Cycles through the four Fast Reverse speeds TRACK:REW\r TRACK:ACK\r Cycles through the four Fast Forward...

  • Page 18: Volctl

    512 CD/SACD Player Serial Communications Protocol Mark Levinson 7.17 VOLCTL Command Parameter Function Incoming Request Outgoing Response Comment VOLCTL Sets Volume to Fixed State VOLCTL:FIX\r VOLCTL:ACK\r Sets Volume to Variable State VOLCTL:VAR\r VOLCTL:ACK\r Request Current Volume Control State VOLCTL:?\r VOLCTL:FIX\r VOLCTL:?\r VOLCTL:VAR\r The player is in Standby Mode so...

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