Cable, CompactFlash and Accessory Specifications

A-8

Figure A-8 EIA-232/530 DTE Pin Assignments
17
18
19
27
21
3
16
2
RxD2+
RxD2-
TxD2+
1
2
3
11
5
10
4
7
6
8
12
13
15
16
9
14
6
22
3
16
2
14
4
19
5
13
15
12
17
9
7
20
23
1
DSR0+
DSR0-
RxD0+
RxD0-
TxD0+
TxD0-
RTS0+
RTS0-
CTS0+
CTS0-
TxC0+
TxC0-
RxC0+
RxC0-
Signal GND
Shield GND
Signal GND
DTR0+
DTR0-
35
36
37
45
39
44
38
41
40
42
46
47
49
50
43
48
3
16
2
14
4
19
5
13
15
12
17
9
7
20
23
1
RxD1+
RxD1-
TxD1+
TxD1-
RTS1+
RTS1-
CTS1+
CTS1-
TxC1+
TxC1-
RxC1+
RxC1-
Signal GND
Shield GND
Signal GND
DTR1+
DTR1-
J1 J2
J3
J4
J1 - 68-pin male SCSI III type connect
o
J2...J5 - DB-25 type male connector
- Indicates Twisted Pair
Notes:
1
.
2. Shield GND is braid on braided cable
3. Shie ld GND is dr ain wir e on foil shi eld 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
6
22
DSR1+
DSR1-
6
22
DSR2+
DSR2-
Port 1
Port 2
17
18
19
27
21
26
20
23
22
24
28
29
31
32
25
30
3
16
2
14
4
19
5
13
15
12
17
9
7
20
23
1
RxD2+
RxD2-
TxD2+
TxD2-
RTS2+
RTS2-
CTS2+
CTS2-
TxC2+
TxC2-
RxC2+
RxC2-
Signal GND
Shield GND
Signal GND
DTR2+
DTR2-
51
52
53
61
55
60
54
57
56
58
62
63
65
66
59
64
3
16
2
14
4
19
5
13
15
12
17
9
7
20
23
1
RxD3+
RxD3-
TxD3+
TxD3-
RTS3+
RTS3-
CTS3+
CTS3-
TxC3+
TxC3-
RxC3+
RxC3-
Signal GND
Shield GND
Signal GND
DTR3+
DTR3-
J4
J5
6
22
DSR2+
DSR2-
6
22
DSR3+
DSR3-
J1: 68-pin male SCSI II type connector

J2 - J5: DB-25 type male connector