iES26GF
User’s
Manual
UM-iES26GF-1.2.3-EN.docx
Pages 11 of 169
The iES26GF switch supports auto MDI/MDI-X operation; a straight-through cable can be used to
connect a PC to the switch.
The table below shows the 10Base-T/100Base-T(X), MDI and MDI-X port pin outs.
10/100 Base-T MDI/MDI-X pin Assignments
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 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.