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inS_CnGE28FX4TX_rEv–
08/31/12 PAGE 12
INSTALLATION AND OPERATION MANUAL
CNGE28FX4TX
Tech SupporT: 1.888.678.9427
1000 BASE-T RJ-45 Pin Assignments
Pin Number
Assignment
1
BI_DA+ with PoE Power input +
2
BI_DA- with PoE Power input +
3
BI_DB+ with PoE Power input -
4
BI_DC+
5
BI_DC-
6
BI_DB- with PoE Power input -
7
BI_DD+
8
BI_DD-
The CNGE28FX4TX switch will support auto MDI/MDI-X operation. You can use
a straight-through cable to connect a PC to the 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