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512 CD/SACD Player Serial Communications Protocol 

Mark Levinson

 

7.5 FPDWNUP 

Command 

Parameter 

Function 

Incoming Request 

Outgoing Response 

Comment 

FPDWNUP STOP 

Front Panel Button Pressed 
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 

 

FPDWNUP:PTRK\r 

FPDWNUP:ACK\r 

Previous 

Track 

 NTRK 

 

FPDWNUP:NTRK\r 

FPDWNUP:ACK\r 

Next 

Track 

 REW 

 

FPDWNUP:REW\r 

FPDWNUP:ACK\r 

Fast Backward (PTRK) – emulates holding down 
the PREV button on Front Panel 

 FFWD 

 

FPDWNUP:FFWD\r 

FPDWNUP:ACK\r 

Fast Forward (NTRK) – emulates holding down 
the NEXT button on Front Panel 

 TIME 

 

FPDWNUP:TIME\r 

FPDWNUP:ACK\r 

 

 REPEAT 

 

FPDWNUP:REPEAT\r 

FPDWNUP:ACK\r 

 

 DISPLAY 

 

FPDWNUP:DISPLAY\r 

FPDWNUP:ACK\r 

 

 CD_SACD 

 

FPDWNUP:CD_SACD\r 

FPDWNUP:ACK\r 

 

 

DRAWER 

 

FPDWNUP:DRAWER\r 

FPDWNUP:ACK\r 

Also removes the player from Standby mode. 

 

STANDBY 

 

FPDWNUP:STANDBY\r 

FPDWNUP:ACK\r 

Also removes the player from Standby mode. 

   

 

FPDWNUP:NACK\r 

The player  is in Standby Mode so commands – 
except for PLAY, DRAWER, and STANDBY – 
are ignored. 

 

7.6 HWSTATUS 

Command 

Parameter 

Function 

Incoming Request 

Outgoing Response 

Comment 

HWSTATUS NAME 

Display the assigned host 
name. HWSTATUS:NAME\r 

Example: 
HWSTATUS:NO512_00005B\r 

 

MAC 

Display the MAC address. 

HWSTATUS:MAC\r 

Example:  
HWSTATUS:AABBCCDDEEFF\r 

 IP 

Display the Internet Protocol 
(IP) address. 

HWSTATUS:IP\r 

Example:  
HWSTATUS:192.168.10.10\r 

 

STATICIP 

Display the static IP address. 

HWSTATUS:STATICIP\r 

Example:  
HWSTATUS:192.168.50.8\r 

 MASK 

Displays the IP address of the 
subnet mask. 

HWSTATUS:MASK\r 

Example:  
HWSTATUS:255.255.255.0\r 

Response Only.  

Outgoing response 
column lists typical 
examples. 

 DHCP 

DHCP 

Status 

HWSTATUS:DHCP\r 

HWSTATUS:ENABLE\r 
HWSTATUS:DISABLE\r 

Response only. 

 

MLNETVER 

Displays the ML Net version. 

HWSTATUS:MLNETVER\r 

Example:  
HWSTATUS:v0.1.0\r 

For Customer Service 
use. 

 

12

 

Содержание Mark Levinson Protocol Series

Страница 1: ...No 512 CD SACD Player Serial Protocol...

Страница 2: ...r or an experienced radio TV technician for help Caution Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipmen...

Страница 3: ...at of the Message Fields 7 5 2 Incoming Messages 8 5 3 Outgoing Messages 8 5 3 1 RSP Response to Command Request 8 5 3 2 NTF Notification of System Action 8 5 4 Example Request RQST 8 5 5 Example Resp...

Страница 4: ...tring Field Parameter Separator for multiple parameters ACK Acknowledge AV Audio Video System generated response CMD Command CS Control Source EOP End of Packet HOST The device initiating or receiving...

Страница 5: ...ystem ground The No 512 player receives control messages on pin 2 Data Receive and transmit status responses notifications and query data on pin 3 Data Transmit The connection cable between the No 512...

Страница 6: ...hernet Control is defaulted to Auto Negotiate and recommends the end point to also be configured for Auto Negotiation However the No 512 is capable of 10 100 BaseT Half Full duplex flow control Pause...

Страница 7: ...selected from the External Protocol Commands table to invoke the desired functionality PARAM The Parameter field specifies the selected parameter from the External Protocol Commands table to achieve...

Страница 8: ...utgoing RSP will be generated as the result of an incoming RQST In most cases the response is an acknowledgement ACK unless the request is a query In the case of a query the RSP contains the requested...

Страница 9: ...a system parameter using the External Protocol 6 RQST Error Responses and Examples The External Protocol responds with the following message parameters when an unexpected Incoming Request string is d...

Страница 10: ...d during an AREA query Request Current AREA State AREA r AREA CD r See note below AREA r AREA SACD_2CHAN r AREA r AREA SACD_MULTI r AREA r AREA NODISC r AREA NACK r The player is in Standby mode so co...

Страница 11: ...Brightness DSPLY SETFB r DSPLY ACK r Display set to Full brightness SET2 Sets Display Brightness to Setting 2 DSPLY SET2 r DSPLY ACK r Display set to Medium brightness SET1 Sets Display Brightness to...

Страница 12: ...PDWNUP ACK r Also removes the player from Standby mode STANDBY FPDWNUP STANDBY r FPDWNUP ACK r Also removes the player from Standby mode FPDWNUP NACK r The player is in Standby Mode so commands except...

Страница 13: ...K r TIME IRDWNUP TIME r IRDWNUP ACK r CD_SACD IRDWNUP CD_SACD r IRDWNUP ACK r MUTE IRDWNUP MUTE r IRDWNUP ACK r CLEAR IRDWNUP CLEAR r IRDWNUP ACK r PROGRAM IRDWNUP PROGRAM r IRDWNUP ACK r 0 IRDWNUP 0...

Страница 14: ...DIS r MSG ACK r NTF Query Notification State MSG NTF r MSG EN r Notification is Enabled MSG NTF r MSG DIS r Notification is Disabled MSG NACK r The player is in Standby Mode so commands are ignored 7...

Страница 15: ...ate PWR r PWR STANDBY r System in Standby EN Enables Notification PWR EN r PWR ACK r DIS Disables Notification PWR DIS r PWR ACK r NTF Query Notification State PWR NTF r PWR EN r Notification is Enabl...

Страница 16: ...OFF r SHUFFLE r SHUFFLE ON r SHUFFLE NACK r The player is in Standby Mode so commands are ignored 7 14 TIME Command Parameter Function Incoming Request Outgoing Response Comment TIME TOT Time on Trac...

Страница 17: ...6 VOL Command Parameter Function Incoming Request Outgoing Response Comment VOL 00 0 to 73 2 Sets Volume level between 00 0 and 73 2 VOL 71 1 r VOL ACK r Sets the Volume level to a selected value The...

Страница 18: ...n not available for this command CONTROL N A Notification not available for this command DRAWER N A Notification not available for this command DSPLY NO FPDWNUP N A Notification not available for this...

Страница 19: ......

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