Instruction manual

Hub Components
893-839-C 1-7
Table 1-3 shows the different connection options available using the
communications port. For more information about this port, see “Using the
Communications Port” on page 4-3.
3 MDI-X/MDI Port Button
The MDI-X/MDI port button allows you to connect the RJ-45 connector ports
of the Model 101, Model 102, Model 106, and Model 107 hubs to another
10BASE-T hub directly through the 10BASE-T port 1 connector. The default
setting of this port is MDI-X. Use a ballpoint pen or similar instrument to
change the button setting.
• Press in the MDI-X/MDI button to set port 1 to MDI configuration.
• Pop out the MDI-X/MDI button to set port 1 to MDI-X configuration.
For more information about MDI-X/MDI configuration, see “Connecting
RJ-45 Hubs Using the MDI-X/MDI Button” on page 2-10.
Table 1-3. Communications port connection options
Hub to terminal: Hub to PC: Hub to modem:
DB-9 to DB-9 DB-9 to DB-25 DB-9 to DB-25
Hub Terminal
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
5883
Hub PC
1
2
3
4
5
6
7
8
9
8
3
2
20
7
6
4
5
22
5884
Hub Modem
1
2
3
4
5
6
7
8
9
8
2
3
6
7
20
5
4
22
5885
893-839-CBook Page 7 Thursday, December 12, 1996 4:18 PM