Apple 540C, 520C manual Interfaces

Specifications I/O Interfaces - 5

SCSI

Apple Desktop Bus

Serial

Sound

I/O Interfaces

HDI-30 SCSI port with 1.5 MB/sec. transfer rate Supports up to six external SCSI devices

Connect SCSI device to computer with HDI-30 SCSI system cable.

Apple Desktop Bus (ADB) port

200 mA maximum current draw for all ADB devices RS-422 serial port; mini DIN-8 connector

Stereo sound-in port

Stereo sound-out headphone jack; standard 3.5 mm stereo miniplugs