Service Port; Table C-4. Service Port Pin Assignments (Db-9 Plug - Bay Networks 281xSA Using Manual

Pin Assignments

Service Port

C-4
Table C-4 shows the pin assignments for the service port on the Model 281xSA
hub.

Table C-4. Service port pin assignments (DB-9 plug)

Connector
DB-9
1 5
6 9
3166.3
Pin # Function
2 Transmit data
3 Receive data
5 Signal ground
Direction
from Model 281xSA hub
to Model 281xSA hub
–
893-743-A