Specifications

Cable, CompactFlash and Accessory Specifications
A-10
Figure A-9 EIA-449 DTE Pin Assignments
17
18
19
27
21
26
20
1
2
3
11
5
10
4
7
6
8
12
13
15
16
9
14
11
29
6
24
4
22
7
25
9
27
5
23
8
26
37
12
30
1
ON0+
ON0-
RD0+
RD0-
SD0+
SD0 -
RS0+
RS0-
CS0+
CS0-
ST0+
ST0-
RT0+
RT0-
SG0
Shield GND
RC0
TR0+
TR0-
35
36
37
45
39
44
38
41
40
42
46
47
49
50
43
48
J1 J2
J3
J4
20
19
J1 - 68-pin male SCSI III type connecto
r
J2...J5 - DB-37 type male connector
- Indicates Twisted Pair
Notes:
1
.
2. Shield GND is braid on braided cable
3. Shield GND is drain wire on foil shield ca
b
4. Braid or foil must enter and make contact
inside metal connector hood
5. All connectors must be metal
6. Pins not shown are unused
SC0
6
24
4
22
7
25
9
27
5
23
8
26
37
12
30
1
RD1+
RD1-
SD1+
SD1 -
RS1+
RS1-
CS1+
CS1-
ST1+
ST1-
RT1+
RT1-
SG1
Shield GND
RC1
TR1+
TR1-
20
19
SC1
6
24
4
22
7
RD2+
RD2-
SD2+
SD2 -
RS2+
11
29
ON1+
ON1-
11
29
ON2+
ON2-
Port 1
Port 2
17
18
19
27
21
26
20
23
22
24
28
29
31
32
25
30
51
52
53
61
55
60
54
57
56
58
62
63
65
66
59
64
J4
J5
6
24
4
22
7
25
9
27
5
23
8
26
37
12
30
1
RD2+
RD2-
SD2+
SD2 -
RS2+
RS2-
CS2+
CS2-
ST2+
ST2-
RT2+
RT2-
SG2
Shield GND
RC2
TR2+
TR2-
20
19
SC2
6
24
4
22
7
25
9
27
5
23
8
26
37
12
30
1
RD3+
RD3-
SD3+
SD3 -
RS3+
RS3-
CS3+
CS3-
ST3+
ST3-
RT3+
RT3-
SG3
Shield GND
RC3
TR3+
TR3-
20
19
SC3
11
29
ON2+
ON2-
11
29
ON3+
ON3-
J1: 68-pin male SCSI II type connector
J2 - J5: DB-37 type male connector