The AL-CAT5W-4 is a multi-port indoor and outdoor lightning surge arrestor, which provides protection for CAT5 data applications. A single unit protects up to four separate CAT5 lines. 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 standard for of supplying DC power.

This protector is also available for 15 Volt and 24 Volt PoE applications, see model AL-CAT5W-4-24.

High-speed semiconductors clamp any voltage, positive or negative on the wires. The limits are +/- 58 volts on the four cable pairs. The design utilizes Thyristor diode technology, which has superior power handling capability compared to TVS or Zener diode based designs. The unit is compatible with both normal and inverted polarity voltage PoE equipment.

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.

The AL-CAT5W-4 features a weatherproof ABS enclosure with O-ring gasket and concealed mounting holes. A ground clamp mounted outside the enclosure provides a tie point for earth ground. For maximum protection from lightning on long cable runs, two units can be used, one at each end of the cable.

For additional information and complete specifications, see the Data Sheet below.

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• Protect up to four separate CAT5 lines
• Protection for all 8 wires per line
• 802.3af Modes A and B Power-Over-Ethernet
• Weatherproof ABS enclosure with O-ring gasket
• Shielded RJ-45 jacks