inS_CnGE28FX4TX_rEv–
08/31/12 PAGE 13
INSTALLATION AND OPERATION MANUAL
CNGE28FX4TX
Tech SupporT: 1.888.678.9427
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.
SFP
The Switch has fiber optical ports with SFP connectors. The fiber optical ports are in multi-mode
(0 to 550M, 850 nm with 50/125 µm, 62.5/125 µm fiber) and single-mode with LC connector. Please
remember that the TX port of Switch A should be connected to the RX port of Switch B.
Switch A Switch B