PowerDsine PD-6548 User Manual download pdf (Page 11)

PD-6548

Power over Ethernet Solutions 11 Cat. No.: 06-6860-056

2.2 10/100BASE-TX Ports Definition

2.2.1 Data Input Ports

The Midspan has 48 10/100Base-TX data input ports, configured in a non-

crossover manner (straight-wired). These ports located on the PoE’s rear

panel of front box, are designed to carry Ethernet data only (Tx/Rx) over the

standard 2-wire pairs (pins 1/2 and 3/6) and are typically connected to existing

Etherner switch.

2.2.2 Data & Power Output Ports

The Midspan has 48 Data & Power output ports, located on the front panel

(Figure

2-1). These ports are configured in a non-crossover manner (straight-

wired) and are designed to carry Ethernet data over the standard 2-wire pairs

(pins 1/2 and 3/6) and DC power over the spare pairs (pins 4/5 and 7/8). Each

output port corresponds to an opposite

input port located on the rear panel.

Figure 2-1: Power over Ethernet Midspan, Front View

Figure 2-2: Power over Ethernet Midspan, Rear View

The Midspan is not a repeater. As such, the maximum distance from the Ethernet switch to

PDs should not exceed 100 meters (328 ft). In accordance with the IEEE 802.3 standard,

the Power over Ethernet Midspan is guaranteed to work up to this distance.

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PowerDsine PD-6548 User Manual Page 11