Digital Equipment DECserver 900GM, Руководство по установке

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DECserver 900GM Installation
23
Connector Pin Assignments (Cont.)
Table 5 68-pin to Four 25-pin DB Octopus Cable Pinout
25-pin DB
Number Twisted
Pairings 25-pin DB
Pin Number 68-pin
Pin Number Full Modem
Control Signal
1 1 and HOUSING HOUSING SHIELD
P i
{
2 1 TXD
Pair
{
7 35 GND
Pair
{
3 2 RXD
Pair
{
7 36 and 52 GND
P i
{
4 37 RTS
Pair
{
5 3 CTS
{
20 38 DTR
Pair
{
6 4 DSR
{
8 18 DCD
Pair
{
22 19 RI
{
12 20 SMI
Pair
{
23 53 DSRS
2 1 and HOUSING HOUSING SHIELD
P i
{
2 5 TXD
Pair
{
7 39 GND
P i
{
3 6 RXD
Pair
{
7 40 and 56 GND
Pair
{
4 41 RTS
Pair
{
5 7 CTS
{
20 42 DTR
Pair
{
6 8 DSR
{
8 22 DCD
Pair
{
22 23 RI
{
12 24 SMI
Pair
{
23 57 DSRS
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