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32 CommPlete 4000 Communications Server User Guide
Appendices
RJ-45 Connector
This connector ties the EN-Series Ethernet board to a 10BASET network.
18
Figure A-5. RJ-45 Connector (viewed from connector side)
Pin Identification
Pin Description
1 + Transmit Data
2 - Transmit Data
3 + Receive Data
4 No Connect
5 No Connect
6 -Receive Data
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