iES26G Series User’s Manual
iS5 Communications Inc.
12
1000 Base-T MDI/MDI-X pin assignments:
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.
3.2
SFP
The iES26G has fiber optical ports with options for SFP, SC, and ST connectors for ports 25 and 26. 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
Fiber Cable
