Westermo PII PoE Injector - Manual (Page 2)

Introduction
Thank you for purchasing PII-2G Power over Ethernet (PoE) Injector, the PII-2G is an
advanced and cost effective high power PoE injector, which applies power to Ethernet RJ-
45 data pairs for powered devices (PDs), PII-2G has the IEEE 802.3at and IEEE 802.3af
standard and industrial grade EMC standards as well as offering 2-channels Gigabit high
power connection. It is an ideal solution to upgrade legacy Gigabit Ethernet to Gigabit PoE
for use in the industrial applications where there are shortages of power, such as wireless
AP and video surveillance. The PII-2G powering method is according to alternative A, i.e. PII-
2G injects power through data pairs of 4-pair UTP cables. It is specified in the IEEE 802.3at
standard and official definition - Alternative-A (Data Pair powering).
The quick installation guide will guide you through to make connection with PD devices,
powering the PII-2G, and installing the PII-2G.
Package Checking List
When unpacking the product box; the following items will be included in the unit box:
4
PII-2G
4 Quick Installation Guide
4 One 4-pin removable terminal block connector
If the product is not complete or if any part is missing, or you have any enquires please
contact your local sales consultant.
Powering the PII-2G
The PII-2G supports one 4-pin removable terminal block with wide power input – DC 46~57V,
one surge grounding connect. The wiring diagram of power connector with power supply as
displayed in the chart below.