
DECserver 900GM Installation
19
Connector Pin Assignments (Cont.)
The following table lists the pin assignments for the 68-pin female bulk connector
on the DECserver 900GM. Use this information in conjunction with the cable
pinouts shown in the following tables and diagrams. If you are using cables that
are not made by Digital, be sure to follow the pin orientations for the 68-pin male
bulk connector shown on the previous page.
Pin
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
LKG-8764-93I
TXD
RXD
DSR
CTS
TXD
RXD
DSR
CTS
TXD
RXD
DSR
CTS
TXD
RXD
DSR
CTS
TXD
RXD
DSR
CTS
TXD
RXD
DSR
CTS
TXD
RXD
DSR
CTS
TXD
RXD
DSR
CTS
Pin
#
Modem Control
Full Partial
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Ports
F, P, D
*
TXD COM
RXD COM
DTR
RTS
TXD COM
RXD COM
DTR
RTS
TXD COM
RXD COM
DTR
RTS
TXD COM
RXD COM
DTR
RTS
TXD COM
RXD COM
DTR
RTS
TXD COM
RXD COM
DTR
RTS
TXD COM
RXD COM
DTR
RTS
TXD COM
RXD COM
DTR
RTS
Data
Leads
Modem Control
Full Partial
Data
Leads
TXD
RXD
CTS
DSR
TXD
RXD
CTS
DSR
TXD
RXD
CTS
DSR
TXD
RXD
CTS
DSR
DCD
RI
SMI
DCD
RI
SMI
DCD
RI
SMI
DCD
RI
SMI
GND
GND
RTS
DTR
GND
GND
RTS
DTR
GND
GND
RTS
DTR
GND
GND
RTS
DTR
GND
DSRS
GND
DSRS
GND
DSRS
GND
DSRS
1, 1, 1
1, 1, 1
1, 1, 1
1, 1, –
2, 2, 2
2, 2, 2
2, 2, 2
2, 2, –
3, 3, 3
3, 3, 3
3, 3, 3
3, 3, –
4, 4, 4
4, 4, 4
4, 4, 4
4, 4, –
–, 5, 5
1, 5, 5
1, 5, 5
1, 5, –
–, 6, 6
2, 6, 6
2, 6, 6
2, 6, –
–, 7, 7
3, 7, 7
3, 7, 7
3, 7, –
–, 8, 8
4, 8, 8
4, 8, 8
4, 8, –
–, Id,–
–, –,
Id
Ports
F, P, D
*
1, 1, 1
1, 1, 1
1, 1, 1
1, 1, –
2, 2, 2
2, 2, 2
2, 2, 2
2, 2, –
3, 3, 3
3, 3, 3
3, 3, 3
3, 3, –
4, 4, 4
4, 4, 4
4, 4, 4
4, 4, –
–, 5, 5
1, 5, 5
1, 5, 5
–, 5, –
–, 6, 6
2, 6, 6
2, 6, 6
–, 6, –
–, 7, 7
3, 7, 7
3, 7, 7
–, 7, –
–, 8, 8
4, 8, 8
4, 8, 8
–, 8, –
Id, –, –
Id, Id,
Id
TXD COM
RXD COM
DTR
TXD COM
RXD COM
DTR
TXD COM
RXD COM
DTR
TXD COM
RXD COM
DTR
TXD COM
RXD COM
DTR
TXD COM
RXD COM
DTR
TXD COM
RXD COM
DTR
TXD COM
RXD COM
DTR
TXD
RXD
DSR
TXD
RXD
DSR
TXD
RXD
DSR
TXD
RXD
DSR
TXD
RXD
DSR
TXD
RXD
DSR
TXD
RXD
DSR
TXD
RXD
DSR
F = Full modem control
*
P = Partial modem control
D = Data leads only