The ALS-CAT5W is a indoor and outdoor lightning surge arrestor which provides protection for CAT5 data applications. This model is fully compatible with industry-standard Power-over-Ethernet (PoE) devices and 10/100 Base-T Ethernet networks, providing protection to both Ethernet data pairs as well as the PoE DC power feed. The unit supports both modes A and B of the 802.3af/at standard for of supplying DC power. Power can be fed up the CAT5 data pairs, 1-2, 3-6 or using the two unused pairs, 4-5, 7-8.This lightning surge protector is compatible with Cisco legacy network appliance products like Access Points, DC Injectors and other equipment supporting reverse polarity PoE pinouts.This unit features a weatherproof ABS enclosure with gasketed cover and concealed mounting holes. PG16 cable glands are provided on the enclosure as well as an external ground clamp to provide a tie point for earth ground. The PG16 cable glands are large enough to pass an un-booted RJ45 connector through so pre-terminated cables can be used.For mounting to masts up to 2 inches in diameter, the HGX-PMT24 mast mounting kit is available (sold separately).For additional information and complete specifications, click on data sheet link below.Not sure which level of protection is required for your application? View Our Model Comparison Chart.