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  • SECO-LARM NJ-A301U-T6AQ ENFORCER 30W PoE Injector — Installation Manual

    September 08, 2026 2 min read

    Installation manual for the SECO-LARM ENFORCER NJ-A301U-T6AQ 30W PoE Injector.

    Full text manual (for reference)

    Installation manual for the SECO-LARM ENFORCER NJ-A301U-T6AQ 30W PoE Injector, which converts 100~240 VAC to low-voltage DC PoE power for IP cameras, access control devices, and other network accessories.

    Overview

    The ENFORCER 30W PoE Injector converts AC mains power to low-voltage DC and supplies power to IP cameras, IP access control, and other PoE devices over Cat5e or Cat6 cables. It lets you power IEEE 802.3af/at compliant network accessories without a separate external power supply — a compact, reliable, affordable addition to network infrastructure.

    Features

    • Supports up to 30W on 2-pairs
    • LED indicates power supply input and PoE output
    • Internal AC/DC converter
    • Easy plug-and-play installation
    • Connects 10/100/1000BaseT PoE devices
    • Overcurrent, overload, overvoltage, and anti-interference protection
    • Supports Cat5e network cables and higher
    • Compliant with IEEE 802.3af/at standard

    Parts List

    • 1x PoE Injector
    • 1x Power Cord
    • 1x Manual

    Specifications

    Spec Value
    Operating voltage 100~240 VAC
    Data In connection 1x Shielded RJ45
    PoE Out connection 1x Shielded RJ45
    PoE power output Up to 52VDC, 30W
    Power link Pin 1/2 (–), 3/6 (+), up to 30W
    Network cables Cat5e or higher
    Protection Overcurrent, overload, overvoltage, anti-interference
    Ethernet speed 10/100/1000 Mbps
    LED indicator Green — power in; Red — power out
    Operating humidity 90% maximum, non-condensing
    Operating temperature 14°~104°F (-10°~40°C)
    Dimensions 4¾"x2"x1 7/16" (121x50x36 mm)

    LED Indicators

    • Steady green — the PoE Injector has power.
    • Steady red — the device connected to the P+DATA port is powered.

    Installation Steps

    1. Use a CAT5e/6 UTP cable to connect the source device to the PoE Injector's DATA IN port.
    2. Connect the AC power cable to the PoE Injector and a power source.
    3. Connect the PoE OUT port to the PoE device using a CAT5e/6 UTP cable.

    Sample application: a data source connects into the injector's DATA IN port, AC mains power is supplied to the injector, and the PoE OUT port feeds power+data over Cat5e/6 to a downstream PoE camera, switch, or NVR-connected device.

    Troubleshooting — PoE Device Doesn't Function Properly

    • Ensure that all devices are turned on.
    • Ensure the PoE device functions by plugging it directly into a PoE switch, computer, etc.
    • Double-check that the cables were connected properly and run a continuity test on all wires.
    • Equipment at both ends must be at the same link speed (10BaseT with 10BaseT, 100BaseT with 100BaseT, etc.).
    • Replace with a higher-grade cable for better performance.
    • Ensure cable lengths are within the allowable range and consistent with the remote PoE device's power consumption; reduce cable length as needed.
    • Check that power consumption is within specifications.

    Warranty

    SECO-LARM warrants this product against defects in material and workmanship in normal service for one (1) year from date of sale to the original customer. Obligation is limited to repair or replacement, transportation prepaid to SECO-LARM. Warranty is void for damage from acts of God, misuse, abuse, neglect, unauthorized repair/alteration, or faulty installation.