Manufacturers of Power Sourcing Equipment (PSE) need cost-effective, high-throughput tools for the production test of PoE power functionality. Instead of using a collection of off-the-shelf general purpose test equipment, Reach PoE Test Equipment is specially designed for this purpose.
Reach offers three PoE tester models. All units come with 24 emulated PD ports, have a 1U rack mount chassis, use a universal power supply (90-240VAC), and offer a serial port control.1 Compare models below.
|Max Ethernet Speed||Gigabit (1GbaseT)||10 Gigabit (10GbaseT)||10 Gigabit (10GbaseT)|
|Other Specifications||Cisco UPoE||Cisco UPoE, HDbaseT|
|Power Pairs Supported||1||2||2|
|Max Power Per Port
(Continuous All Ports)
|Datapath (Passive)||Separate RJ45||Looped to adjacent port2||Looped to adjacent port2|
|Signature, Load||Single Signature,
|Single and Dual Signature,
Dual Independent Loads
|Advanced Per Port
|No||No||No; Yes (PoE5Plus)|
The Reach PoE Tester Family (RT-PoE3, RT-PoE4/10G, RT-PoE5) is designed for economical and functional production testing. To keep costs low, the LLDP protocol (see 802.3at standard) is not supported since if the unit under test passes basic functional tests, LLDP will work as designed.
Once in manufacturing, companies can assume their product passes full compliance to applicable standards (802.3af, 802.3at, 802.3bt, proprietary, or a mix of both) as tested in the design verification phase. It is neither cost-effective nor necessary to perform complete compliance testing in production. What is needed is a functional test that verifies the production unit’s ability to detect, classify, and control PoE power, checks that the power supply is working as it should, and ensures the connectors’ and magnetics’ ability to provide power and pass data.
1 For networked control, use a TCP/IP Ethernet to Serial RS232 Converter. A serial interface is used so production can swap out damaged testers quickly without any IP setup, and there cannot be inherent network interface issues inside the tester.
2 Data is internally looped port 1-2, 3-4, etc. to allow testing at 10Gbps. This assumes the UUT (Unit Under Test) can use VLAN or internal packet generation for data packet error testing.
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