PC104P-SIO4BX User Manual, Revision: 0
General Standards Corporation
8302A Whitesburg Drive Huntsville, AL 35802, Phone: (256) 880-8787
5.4
Interface Connector <P4>
User I/O Connector:
68-pin SCSI connector (female) - P4
Part Number:
AMP/TYCO 787170-7
Mating Connector:
AMP/TYCO 749111-6 (or equivalent)
Pin 1
Pin 35
Pin 34
Pin 68
Note: Protocol Mode is set on a per channel basis.
Pin
#
RS422/RS485
V.35
RS232
RS423
Pin
#
RS422/RS485
V.35
RS232
RS423
DTE
DCE
DTE
DCE
DTE
DCE
DTE
DCE
DTE
DCE
DTE
DCE
1
AUXC1+
Unused
Unused
35
AUXC3+
Unused
Unused
2
AUXC1-
AUXC1
Unused
36
AUXC3-
AUXC3
Unused
3
DCD1+
Unused
Unused
37
DCD3+
Unused
Unused
4
DCD1-
DCD1
Unused
38
DCD3-
DCD3
Unused
5
CTS1+
RTS1+
Unused
Unused
39
CTS3+
RTS3+
Unused
Unused
6
CTS1-
RTS1-
CTS1
RTS1
CTS1
RTS1
40
CTS3-
RTS3-
CTS3
RTS3
CTS3
RTS3
7
RXD1+
TXD1+
Unused
Unused
41
RXD3+
TXD3+
Unused
Unused
8
RXD1-
TXD1-
RXD1
TXD1
RXD1
TXD1
42
RXD3-
TXD3-
RXD3
TXD3
RXD3
TXD3
9
RXC1+
TXC1+
Unused
Unused
43
RXC3+
TXC3+
Unused
Unused
10
RXC1-
TXC1-
RXC1
TXC1
RXC1
TXC1
44
RXC3-
TXC3-
RXC3
TXC3
RXC3
TXC3
11
RTS1+
CTS1+
Unused
Unused
45
RTS3+
CTS3+
Unused
Unused
12
RTS1-
CTS1-
RTS1
CTS1
RTS1
CTS1
46
RTS3-
CTS3-
RTS3
CTS3
RTS3
CTS3
13
TXD1+
RXD1+
Unused
Unused
47
TXD3+
RXD3+
Unused
Unused
14
TXD1-
RXD1-
TXD1
RXD1
TXD1
RXD1
48
TXD3-
RXD3-
TXD3
RXD3
TXD3
RXD3
15
TXC1+
RXC1+
Unused
Unused
49
TXC3+
RXC3+
Unused
Unused
16
TXC1-
RXC1-
TXC1
RXC1
TXC1
RXC1
50
TXC3-
RXC3-
TXC3
RXC3
TXC3
RXC3
17
SGND1
SGND1
SGND1
51
SGND3
SGND3
SGND3
18
SGND2
SGND2
SGND2
52
SGND4
SGND4
SGND4
19
CTS2+
RTS2+
Unused
Unused
53
CTS4+
RTS4+
Unused
Unused
20
CTS2-
RTS2-
CTS2
RTS2
CTS2
RTS2
54
CTS4-
RTS4-
CTS4
RTS4
CTS4
RTS4
21
RXD2+
TXD2+
Unused
Unused
55
RXD4+
TXD4+
Unused
Unused
22
RXD2-
TXD2-
RXD2
TXD2
RXD2
TXD2
56
RXD4-
TXD4-
RXD4
TXD4
RXD4
TXD4
23
RXC2+
TXC2+
Unused
Unused
57
RXC4+
TXC4+
Unused
Unused
24
RXC2-
TXC2-
RXC2
TXC2
RXC2
TXC2
58
RXC4-
TXC4-
RXC4
TXC4
RXC4
TXC4
25
RTS2+
CTS2+
Unused
Unused
59
RTS4+
CTS4+
Unused
Unused
26
RTS2-
CTS2-
RTS2
CTS2
RTS2
CTS2
60
RTS4-
CTS4-
RTS4
CTS4
RTS4
CTS4
27
TXD2+
RXD2+
Unused
Unused
61
TXD4+
RXD4+
Unused
Unused
28
TXD2-
RXD2 -
TXD2
RXD2
TXD2
RXD2
62
TXD4-
RXD4-
TXD4
RXD4
TXD4
RXD4
29
TXC2+
RXC2+
Unused
Unused
63
TXC4+
RXC4+
Unused
Unused
30
TXC2-
RXC2-
TXC2
TXC2
TXC2
RXC2
64
TXC4-
RXC4-
TXC4
RXC4
TXC4
RXC4
31
DCD2+
Unused
Unused
65
DCD4+
Unused
Unused
32
DCD2-
DCD2
Unused
66
DCD4-
DCD4
Unused
33
AUXC2+
Unused
Unused
67
AUXC4+
Unused
Unused
34
AUXC2-
AUXC2
Unused
68
AUXC4-
AUXC4
Unused
Table 1- Front Panel (P4) IO Connections