Product specifications

DECserver 900GM Installation
29
Connector Pin Assignments (Cont.)
Table 6 (Cont.) 68-pin to Eight 8-pin MP Octopus Pinout
8-pin MP
Number
Twisted
Pairings
8-pin MP
Pin Number
68-pin
Pin Number
Partial Modem
Control Signal
7
Pi{
6 25 TXD
Pair
{
3 59 TXD COM
Pi{
2 26 RXD
Pair
{
1 60 RXD COM
Pi{
8 27 DSR
Pair
{
7 61 DTR
Pi{
4 28 CTS
Pair
{
5 62 RTS
8-pin MP
Number
Twisted
Pairings
8-pin MP
Pin Number
68-pin
Pin Number
Partial Modem
Control Signal
8
Pi{
6 29 TXD
Pair
{
3 63 TXD COM
Pi{
2 30 RXD
Pair
{
1 64 RXD COM
Pi{
8 31 DSR
Pair
{
7 65 DTR
Pi{
4 32 CTS
Pair
{
5 66 RTS
NOTES: On the 68-pin connector, tie pins 33 and 68 together to enable the
software to identify the cable.
The wire size should be 28GA or 26GA unshielded twisted pair.