Product specifications

DECserver 900GM Installation
31
Connector Pin Assignments (Cont.)
NOTE: You can mix cable BN41A-03, BN41B–03, and cable BN41D-03
on serial ports A through D to create four full modem control
connections on one port and eight partial modem control
connections on another.
Table 7 68-pin to Eight 25-pin DB Octopus Pinout
25-pin
MP
Number
Twisted
Pairings
25-pin MP
Pin Number
68-pin
Pin Number
Partial Modem
Control Signal
1
Pi{
2 1 TXD
Pair
{
7 35 GND
Pi{
3 2 RXD
Pair
{
7 36 GND
Pi{
6 3 DSR
Pair
{
20 37 DTR
Pi{
5 4 CTS
Pair
{
4 38 RTS
25-pin
MP
Number
Twisted
Pairings
25-pin MP
Pin Number
68-pin
Pin Number
Partial Modem
Control Signal
2
Pi{
2 5 TXD
Pair
{
7 39 GND
Pi{
3 6 RXD
Pair
{
7 40 GND
Pi{
6 7 DSR
Pair
{
20 41 DTR
Pi{
5 8 CTS
Pair
{
4 42 RTS
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