Axel Dahmen SW/HW Engineering - Amiga Hardware Database

Manufacturer “Axel Dahmen SW/HW Engineering”

1 expansion in database

Manufacturer Axel Dahmen SW/HW Engineering, Germany	Date 1993	Amiga any Amiga	Interface serial port

Manufacturer

Date

1993

Amiga

any Amiga

Interface

serial port

MIDI Interface

1× MIDI-IN port
3× MIDI-OUT/-THRU ports
automatic operating mode detection (BYPASS / AMIGA)
status LED indicating the selected operating mode
front panel switch for manual mode selection
2 LEDs to monitor MIDI activity
logic circuitry is powered by the computer and/or connected MIDI devices (no external power supply required)
if the Amiga is switched off or the serial port is active, all OUT ports are switched to THRU mode, i.e. sending out the MIDI commands from IN port to all OUT ports
connects to the Amiga via the serial port, provides serial interface pass-through

Notes

some MIDI devices will switch off their MIDI port if no receiver is present, so the THRU mode cannot work - revision 2 of this expansion features a power supply connector to stay powered in such cases
revision 2 features a switch at the bottom to change one port from THRU to OUT mode only

Advert (DE)
1993-01

Advert (DE)
1993-11