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Chapter 2 Hardware Description and Connection
ES1100 Series User’s Guide
14
2.2 Front Panel
The front panel of the Switch includes the auto-negotiating 10 Base-T/100 Base-
TX RJ-45 ports and the LEDs.
2.2.1 RJ-45 Auto-negotiating Ports
The 10 Base-T/100 Base-TX RJ-45 ports are auto-negotiating and auto-crossover.
An auto-negotiating port can detect and adjust to the optimum Ethernet speed
(10/100 Mpbs) and duplex mode (full duplex or half duplex) of the connected
device.
An auto-crossover (auto-MDI/MDI-X) port automatically works with a straight-
through or crossover Ethernet cable.
2.2.2 Front Panel Connections
You can use unshielded twisted pair (UTP) or shielded twisted-pair (STP) Ethernet
cables for RJ-45 ports. The following table describes the types of network cable
used for the different connection speeds. .
You can use either crossover or straight-through cables for all the ports.
Table 1 Network Cable Types
SPEED NETWORK CABLE TYPE
10 Mbps Category 3, 4 or 5 UTP/STP
100 Mbps Category 5 UTP/STP