Advantages of PoE: Power-over-Ethernet Technology

How PoE Works

Power over Ethernet (PoE) is a technology that powers a remote Ethernet device by transferring electrical power over the same standard twisted-pair Ethernet cable that is used to also send Ethernet data communications. A PoE injector (or PoE adapter) is the Power Sourcing Equipment (PSE) that supplies power into the Powered Device (PD), in this case a Trango radio, while simultaneously passing Ethernet data traffic through the same cable.

Benefits of Power-over-Ethernet

PoE has become the standard method of powering Trango Ethernet all-outdoor wireless radios because of the many valuable benefits that it brings to the network designer, and the additional efficiencies and savings it provides to the network itself. The ability of a Power-over-Ethernet injector to transmit electrical power, along with data, to remote devices over an unmodified Ethernet network provides many benefits for your network.

One of the primary benefits of Power-over-Ethernet, as it relates to outdoor wireless network deployments, is eliminating the need for running separate power supply cabling to the radio, which can sometimes be over long distances to reach the radio on towers or rooftops. The single-cable approach of Power-over-Ethernet greatly simplifies this task and reduces the time and cost of installation and maintenance of wireless deployments.

PoE offers several benefits to your wireless network deployments.

• Simplicity: A single cable supplies power and network connection to each radio
• Space: Only one set of wires to deal with saves space and simplifies installation
• Safety: Low-voltage power supply and no mains voltages means less risk
• Ease: It's easier and faster to install new radios and extend your network
• Less Labor: Eliminates the need to hire skilled electrical contractor labor, no schedule hassles
• Reach: Ethernet cable can reach 100 meters or more and is easier to run long distances
• Savings: Less labor, faster installs, and simpler design means cost savings on many levels

Trango and Power-over-Ethernet

Trango utilizes Power-over-Ethernet technology to power most of its IP-native microwave equipment, including the licensed wireless all-outdoor microwave link, TrangoLINK® Apex, the license-exempt point-to-point wireless Ethernet bridge, TrangoLINK-45™, as well as our unlicensed point-to-multipoint broadband access networks.

Trango Power-over-Ethernet Setup

In its most basic form, the following items are required for a typical Trango PoE-powered radio installation:

• Trango wireless radio — the powered device (PD)
• Power-over-Ethernet adapter (or PoE power injector) — the Power Sourcing Equipment (PSE)
• Power supply — 1U rack mountable or brick style, dependant on the radio model
• Standard shielded Cat-5 Ethernet cables

The PoE injector is housed indoors and plugged into a power source via the "DC IN" connection on the adapter. The Power-over-Ethernet injector is connected to your network (via a router or switch) with a Cat-5 cable through the Ethernet port on the PoE adapter labeled "Net" or "Network." The PoE injector is also connected to the Trango outdoor unit (ODU) wireless radio using a shielded Cat-5 Ethernet cable via the RJ45 Ethernet port labeled "Radio" or "ODU." The PoE adapter should always be properly grounded via the "GND" screw or eyelet to protect your equipment from electrical surge damage.

Trango Power-over-Ethernet Pin-out Assignments

For License-Exempt Frequency Products — PoE Junction Box (part# JBOX-2)

For more PoE pin-out information, see Cat-5 Cable Pin-out Assignmants