inS_cnge8MS_reV–
09/17/12 Page 17
INSTALLATION AND OPERATION MANUAL
CNGE8MS
Tech SupporT: 1.888.678.9427
The CNGE8MS 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.
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
10/100BASE-TX 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-
1000BASE-TX MDI/MDI-X pins assignment
Note: “+” and “-” signs represent the polarity of the wires that make up each wire pair.