Transition Networks
SISGM
–CHAS L2/L3 Switch User Guide
33625 Rev. B
Page
26
of
234
3.4 Connection
3.4.1
Cables
1000/100BASE-TX/10BASE-T Pin Assignments
The SISGM series come with standard Ethernet ports. According to the link type, the switch uses
CAT 3, 4, 5,5e UTP cables to connect to any other network devices (PCs, servers, switches,
routers, or hubs). Refer to the following table for cable specifications.
Cable
Type
Max. Length
Connector
10BASE-T
Cat. 3, 4, 5 100-ohm
UTP 100 m (328 ft)
RJ-45
100BASE-TX
Cat. 5 100-ohm UTP
UTP 100 m (328 ft)
RJ-45
1000BASE-T
Cat. 5/Cat. 5e 100-ohm UTP
UTP 100 m (328ft)
RJ-45
With 10/100/1000BASE-T(X) cables, pins 1 and 2 are used for transmitting data, and pins 3 and 6
are used for receiving data.
10/100 Base-T(X) RJ-45 Pin Assignments
:
Pin Number
Assignment
1
TD+
2
TD-
3
RD+
4
Not used
5
Not used
6
RD-
7
Not used
8
Not used
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-
