Chapter 5
| Port Connections
How to Connect to Twisted-Pair Copper Ports
– 39 –
Power-over-Ethernet The ECS2100 Series PoE switches support both IEEE 802.3af and IEEE 802.3at-2009
PoE standards. These switches are excellent choices for supplying power to
connected PoE devices such as web cameras, IP telephones, or access points.
Any PoE-compliant device attached to a port can directly draw power from the
switch over the Ethernet cable without requiring its own separate power source.
This capability gives network administrators centralized power control for devices
such as IP phones and wireless access points, which translates into greater network
availability.
For each attached PoE-compliant device, the switch automatically senses the load
and dynamically supplies the required power. The switch delivers power to a device
using the wire pairs in UTP or STP cable.
Connection Procedure Follow these steps to connect cables to 1000BASE-T RJ-45 twisted-pair copper
ports.
1. Attach one end of a twisted-pair cable segment to the device’s RJ-45 connector.
Figure 21: Making Twisted-Pair Connections
Table 7: ECS2100 Series PoE Power Budget
ECS2100-10PE ECS2100-10P ECS2100-28P ECS2100-28PP ECS2100-
28PP with
one external
power supply
Total PoE
Power Budget
65 W 125 W 200 W 370 W 740 W
Ports supply up
to 15.4 W
simultaneously
4 8 12 24
Ports supply up
to 30 W
simultaneously
2461224
1000BASE-T RJ-45 Port Category 5, 5e, or 6 Cable
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