Multi-Tech Systems RAS96 - Manual (Page 72)

RAS96 RASCard User Guide
CommPlete Communications Server 64
34-Pin Floppy Disk Drive Connector (J27)
This connector provides signal and data connection between the floppy drive and the
RASCard.
Figure A-4. Floppy disk connector.
Pin Description Pin Description Pin Description
1 Ground 13 Ground 25 Ground
2 RPM/RWC 14 Drive Select 1 26 Track 0
3 Ground 15 Ground 27 Ground
4 Not Used 16 Motor Enable 2 28 Write Protect
5 Ground 17 Ground 29 Ground
6 Not Used 18 Direction (Stepper
Motor) 30 Read Data
7 Ground 19 Ground 31 Ground
8 Index 20 Step Pulse 32 Select Head
9 Ground 21 Ground 33 Ground
10 Motor Enable 1 22 Write Data 34 /DCHNG
11 Ground 23 Ground
12 Drive Select 2 24 Write Enable
Drive Power Connector (J13)
This connector supplies power and ground for an optional disk drive or CD-ROM
drive.
Figure A-5. Drive power connector.
Pin Description
1 12 VDC
2 Ground
3 Ground
4 5 VDC