Multitech Hub User Manual page 32

Appendices
RJ-45 Connector
This connector ties the EN-Series Ethernet board to a 10BASET network.
Pin Identification
Pin
1
2
3
4
5
6
7
8
34-Pin Floppy Disk Drive Connector
This connector provides signal and data connection between the floppy drive and the SBC board.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
32
Figure A-5. RJ-45 Connector (viewed from connector side)
Description
+ Transmit Data
- Transmit Data
+ Receive Data
No Connect
No Connect
-Receive Data
No Connect
No Connect
2
1
Figure A-4. Floppy Disk Connector
Description
Ground
RPM/RWC
Ground
Not Used
Ground
Not Used
Ground
Index
Ground
Motor Enable 1
Ground
Drive Select 2
Ground
Drive Select 1
Ground
Motor Enable 2
Ground
34
33
Pin Description
18 Direction (Stepper Motor)
19 Ground
20 Step Pulse
21 Ground
22 Write Data
23 Ground
24 Write Enable
25 Ground
26 Track 0
27 Ground
28 Write Protect
29 Ground
30 Read Data
31 Ground
32 Select Head
33 Ground
34 /DCHNG
CommPlete 4000 Communications Server User Guide