RME ADI-648 [28/32] Midi implementation chart adi 648

User's Guide ADI-648 © RME

15. MIDI Implementation Chart ADI-648

15.1 Basic SysEx Format

Value

Name

F0h SysEx header

00h 20h 0Dh MIDITEMP manufacturer ID

64h Model ID (ADI-648)

00h..7Eh, 7Fh Device ID. 7Fh = broadcast (all IDs)

mm Message type

nn Parameter number (see table 1)

oo Data byte

F7h EOX

15.2 Message Types

Value

Name

10h Request value

20h Set value

30h Value response

Request Value

Format: F0 00 20 0D 64 (dev ID) 10 F7

This string triggers a complete dump of all value response data bytes.

Value Response

After being triggered by receiving a request value command, device sends a string of all value

response data bytes. Message type is set to 30h.

Set Value

Sets any number of parameters.

nn / oo can be repeated freely.

15.3 MADI Input State – Redundancy Mode

The MADI input can be BNC or optical. When the ADI-648 enters Redundancy mode, it uses

the other input, although not chosen and signalled by the MADI input select byte. See below

table.

MADI Input Select MADI Input State Actual input in use

0 = BNC 0 = normal operation BNC

1 = Optical 0 = normal operation Optical

0 = BNC 1 = Redundancy mode Optical

1 = Optical 1 = Redundancy mode BNC