IES-2050 User’s Manual
ORing Industrial Networking Corp.
9
C
ables
4.1 Ethernet Cables
The IES-2050 switches have standard Ethernet ports. According to the link type, the
switches use CAT 3, 4, 5,5e UTP cables to connect to any other network device (PCs,
servers, switches, routers, or hubs). Please refer to the following table for cable
specifications.
Cable Types and 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
4.1.1 100BASE-TX/10BASE-T Pin Assignments
With 100BASE-TX/10BASE-T cable, pins 1 and 2 are used for transmitting data, and pins
3 and 6 are used for receiving data.
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
The IES-2050 switches support auto MDI/MDI-X operation. You can use a straight-
through cable to connect PC and switch. The following table below shows the
10BASE-T/ 100BASE-TX MDI and MDI-X port pin outs.
