Specifications

45
MA6
41 RTS6 42 DSR6 43 DCD5 44 RI5
45 CTS6 46 -SIN7 47 RI7 48 DCD7
49 DTR1 50 -SOUT2 51 RTS1 52 DTR4
53 CTS2 54 DSR1 55 -SIN1 56 -SIN4
57 CTS4 58 DSR3 59 CTS3 60 RTS8
61 DTR7 62 RTS7 63 -SOUT7 64 -SOUT8
65 +12v 66 +12v 67 +12v 68 GND1
69 GND2 70 GND3 71 GND4 72 GND5
73 GND6 74 GND7 75 GND8 76 -12v
77 -12v 78 -12v
Pin-out assignments for the 10Base-T connector are as follows:
10-pin Signal 8-pin
1 NC NA
2 Tx+ 1
3 Tx- 2
4 Rx+ 3
5 NC 4
6 NC 5
7 Rx- 6
8 NC 7
9 NC 8
10 NC NA
Multi-Tech's products use a 10-pin 10Base-T connector. Some manufacturers use an 8-pin
format. This format is compatible with the EN301CT16d, and will plug in and work without
modification. If an 8-pin RJ-45 is used with the EN301CT16c, use the pin assignments
shown in the 8-pin column.
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