INS_2[POE][HO]/M 09/08/20 PAGE 11
INSTALLATION AND OPERATION MANUAL
2[POE][HO]/M
TECH SUPPORT: 1.888.678.9427
1000 Base-T RJ-45 Pin Assignments
Pin Number Assignment
1
BI_DA+
2
BI_DA-
3
BI_DB+
4
BI_DC+
5
BI_DC-
6
BI_DB-
7
BI_DD+
8
BI_DD-
The 2[POE][HO]/M media converters support auto MDI/MDI-X operation. You can use
a straight-through cable to connect PC to switch. The following table below shows the
10/100BASE-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-