• ZyXEL PoE-12 is a single-port Power over Ethernet (PoE) Injector that infuses and transmits electricity through unused pairs (4/5 and 7/8) in CAT-5 Ethernet cables, while data flows are carried by the other pairs (1/2 and 3/6). As such both power and data can be delivered to PoE devices (PD) via a single CAT-5 Ethernet cable without extra power supply.
• With the PoE-12, non-PoE switches can now power IEEE802.3af compliant PoE devices through an effective single CAT-5 Ethernet cable link up to 100m in length.
• In other words, users can install any IEEE 802.3af compliant PoE devices like WLAN access points or IP surveillance cameras with more freedom. Unlike traditional solutions, the PoE-12 can now take advantage of the effortless connectivity in challenging places, such as ceiling or top of wall, without laying power cables. It means that the devices are now untied from power outlets for maximum flexibility.
• The PoE-12 is easy to use and needs no configuration. Since only simple inbound and outbound cable plugging is required, installation is straightforward and can be performed by users without power cabling expertise or expense.
Single Port 30w injector
This review is from: ZyXEL POE12HP 802.3at PoE Injector
Pros: Needed a high power 802.3at injector to drive a wifi router in an unaccessible (for power) Location. This injector worked just fine paid around $48 for it. I used a LevelOne P-O-S-3000 as the splitter on the other end. They had no problems working together, standards based. Dlink Dir-655 using 24watts is being driven by this combo.
Cons: You can get the ZyXEL GS1100 for around $130 and it will drive four ports (better deal if you need more than 1 port!).
Other Thoughts: zyxel has mfg modems and telco eqp since 89 based in taiwan they are actually owned by a chinese holding company.
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