RES-P3242GCL SERIES User’s Manual
4
1000 Base-T RJ-45 Pin Assignments
Pin Number
Assignment
1 BI_DA+
2 BI_DA-
3 BI_DB+
4 BI_DC+
5 BI_DC-
6 BI_DB-
7 BI_DD+
8 BI_DD-
The RES-P3242GCL SERIES switches support auto MDI/MDI-X operation. You can
use a straight-through cable to connect PC to switch. The following table below shows
the 10BASE-T/ 100BASE-TX MDI and MDI-X port pin outs.
10/100 Base-T MDI/MDI-X pins assignment
Pin Number
MDI port
MDI-X port
1 TD+(transmit)
RD+(receive)
2 TD-(transmit)
RD-(receive)
3 RD+(receive)
TD+(transmit)
4
Not used
Not used
5
Not used
Not used
6 RD-(receive)
TD-(transmit)
7
Not used
Not used
8
Not used
Not used
1000 Base-T MDI/MDI-X pins assignment
Pin Number
MDI port
MDI-X port
1 BI_DA+
BI_DB+
2 BI_DA-
BI_DB-
3 BI_DB+
BI_DA+
4 BI_DC+
BI_DD+
5 BI_DC-
BI_DD-
6 BI_DB-
BI_DA-
7 BI_DD+
BI_DC+
8 BI_DD-
BI_DC-
Note:
“+” and “-” signs represent the polarity of the wires that make up each wire pair.
