Multitech CommPlete 4000, User Manual, Page: 44 / 50

44
CommPlete 4000 Communications Server Overview
7 No Connect
8 No Connect
34-Pin Floppy Disk Drive Connector
This connector provides signal and data connection between the floppy drive and the SBC
board.
34
1
2
33
Figure A-4. Floppy Disk Connector
Pin Description Pin Description
1 Ground 18 Direction (Stepper Motor)
2 RPM/RWC 19 Ground
3 Ground 20 Step Pulse
4 Not Used 21 Ground
5 Ground 22 Write Data
6 Not Used 23 Ground
7 Ground 24 Write Enable
8 Index 25 Ground
9 Ground 26 Track 0
10 Motor Enable 1 27 Ground
11 Ground 28 Write Protect
12 Drive Select 2 29 Ground
13 Ground 30 Read Data
14 Drive Select 1 31 Ground
15 Ground 32 Select Head
16 Motor Enable 2 33 Ground
17 Ground 34 /DCHNG
Printer Port Connector
This 25-pin connector provides parallel printer data and control signals to and from the SBC
board.
26
1
2
25
Figure A-5. Printer Port Connector
Pin Description Pin Description
1 -Strobe 10 -Acknowledge
2 +Data Bit 0 11 +Busy
3 +Data Bit 1 12 +Paper End
4 +Data Bit 2 13 +Select
5 +Data Bit 3 14 -Auto Feed
6 +Data Bit 4 15 -Error
7 +Data Bit 5 16 -Initialize Printer
8 +Data Bit 6 17 -Select Input
9 +Data Bit 7 18-25 Ground