ZyXEL Communications ES-105/ES-108 - Manual (Page 7)

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Figure 3 Rear Panel of the ES-108
RJ-45 Auto-negotiating Ports
Your switch comes with 5 or 8 10Base-T/100Base-TX RJ-45 ports
depending on the model of your switch. The auto-negotiation feature
allows the switch to detect the speed of incoming transmission and
adjust appropriately without manual intervention. It allows data
transfers of either 10 Mbps or 100 Mbps in either half-duplex or full-
duplex mode depending on your Ethernet network.
Auto-sensing MDI/MDIX ports
Each 10Base-T/100Base-TX RJ-45 MDI/MDIX port allows you to
connect to a computer or to a hub using either a straight-through or a
crossover Ethernet cable.
Rear Panel Ethernet Cable Connections
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.
Table 1 Network Cable Types
SPEED NETWORK CABLE TYPE
10 Base-T 100 Ω 2-pair UTP/STP Category 3, 4 or 5
100 Base-TX 100 Ω 2-pair UTP/STP Category 5