Comnet CNGE24MS-OB Installation And Operation Manual page 12

INSTALLATION AND OPERATION MANUAL
The CNGE24MS-OB(M,S) switch supports auto MDI/MDI-X operation. You can use a straight-
through cable to connect a PC to the switch. The table below shows the 10/100BASE-T(X) MDI and
MDI-X port pin outs.
Note: "+" and "-" signs represent the polarity of the wires that make up each wire pair.
TECH SUPPORT: 1.888.678.9427
Pin Number
1
2
3
4
5
6
7
8
1000 BASE-T RJ-45 Pin Assignments
Pin Number MDI port
1 TD+(transmit)
2 TD-(transmit)
3 RD+(receive)
4 Not used
5 Not used
6 RD-(receive)
7 Not used
8 Not used
10/100 BASE-T MDI/MDI-X pins assignment
Pin Number MDI port
1 BI_DA+
2 BI_DA-
3 BI_DB+
4 BI_DC+
5 BI_DC-
6 BI_DB-
7 BI_DD+
8 BI_DD-
1000 BASE-T MDI/MDI-X pins assignment
Assignment
BI_DA+
BI_DA-
BI_DB+
BI_DC+
BI_DC-
BI_DB-
BI_DD+
BI_DD-
MDI-X port
RD+(receive)
RD-(receive)
TD+(transmit)
Not used
Not used
TD-(transmit)
Not used
Not used
MDI-X port
BI_DB+
BI_DB-
BI_DA+
BI_DD+
BI_DD-
BI_DA-
BI_DC+
BI_DC-
CNGE24MS-OB(M,S)
INS_CNGE24MS-OB(M,S)_REV–
09/12/12 PAGE 12