Comnet CNGE2+2SMS Installation And Operation Manual page 12

INSTALLATION AND OPERATION MANUAL
The CNGE2+2SMS switches 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:
TECH SUPPORT: 1.888.678.9427
1000 Base-T RJ-45 Pin Assignments
Pin Number Assignment
1
2
3
4
5
6
7
8
10/100 Base-T MDI/MDI-X 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
1000 Base-T MDI/MDI-X pin assignments
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-
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-
CNGE2+2SMS[POE][HO]
INS_CNGE2+2SMS_REV– 02/19/13 PAGE 12