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    SECO-LARM Enforcer Passive HD Video Baluns (EB-P101-01HQ / EB-P101-20HQ) — Installation Manual

    August 31, 2026 3 min read

    Installation manual for the SECO-LARM Enforcer Passive HD Video Baluns, covering specifications, transmission range by format/resolution, installation, sample applications, and troubleshooting.

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    Full text manual (for reference)

    Installation manual for the SECO-LARM Enforcer Passive HD Video Baluns — models EB-P101-01HQ and EB-P101-20HQ (with 6" pigtail) — used to transmit HD CCTV video (TVI/CVI/AHD, up to 1080p) over low-cost Cat5e/6 cable instead of coaxial cable.

    Key Features

    • 3-in-1 TVI / CVI / AHD video support up to 1080p
    • Transmits up to 1,443ft (440m) depending on format, resolution, and cable used
    • PAL / NTSC / SECAM compatible
    • Built-in TVS surge protection, anti-static and wave filters, Lightning protection Grade III
    • 60dB crosstalk and noise immunity; exceptional interference rejection
    • Passive operation — no external power required
    • Quick-connect screwless terminals for easy installation
    • Small size allows mounting of multiple baluns behind a DVR

    Specifications

    Spec EB-P101-01HQ EB-P101-20HQ
    Video format NTSC, PAL, SECAM
    Frequency response DC~42MHz
    Common/differential mode rejection 60dB, 15kHz~42MHz
    Wire type / category UTP 24~16 AWG, Cat2~Cat6
    Attenuation 1.5dB max.
    Impedance Coax/BNC 75Ω@1MHz · Screwless terminal 100Ω@1MHz ±20Ω
    Surge protection Renewable solid state; Video input 2KV common mode, video output 2KV differential mode (IEC6100-4-5)
    DC loop resistance 52Ω/1000' (18Ω/100m)
    Power No external power required
    Operating / storage temperature -4°~158°F (-20°~70°C) / -40°~305°F (-40°~150°C)
    Humidity 0~95% non-condensing
    Case ABS plastic
    Weight 1.4-oz (40g)
    Cable length N/A 5 15/16" (150mm)

    Range by Format & Resolution

    Resolution TVI CVI AHD
    720p 623ft (190m) 1,443ft (440m) 984ft (300m)
    1080p 623ft (190m) 720ft (220m) 720ft (220m)

    Actual range depends on format, resolution, and cable quality. Note: shorter range may result when used with a DVR.

    Installation

    1. HD Video baluns include a transmitter and receiver. Connect the transmitter to the HD CCTV camera; connect the receiver to an HD DVR or other remote HD CCTV equipment.
    2. Make sure the distance between the camera and the remote video device does not exceed the specified range for your cable type and resolution.
    3. Run Cat5e/6 cable (UTP) from the remote video device to the camera.
    4. Connect the Cat5e/6 cable to the transmitter and receiver. Note: HD Video baluns are polarity-sensitive.
      • Strip approximately ¼" (6mm) of insulation from the same two wires at both ends of the cable.
      • Push down the small tabs above the terminals and insert each wire into each terminal at both ends. No bare wire should be showing after insertion.
    5. Test the connection by powering up the CCTV camera and remote video device to confirm proper operation.

    Sample Applications

    • Single pair: ENFORCER HD Camera → Transmitter → Cat5e/6 cable → Receiver → Remote HD DVR, Monitor, Switch, etc.
    • Multiple cameras over separate Cat5e/6 runs: Each camera's transmitter connects via its own Cat5e/6 cable to a receiver mounted at the DVR — the baluns' small size allows multiple units to be mounted behind a single HD DVR.

    Troubleshooting

    Symptom Solution
    Wavy or ghost image (through a processor/DVR, but not directly to monitor) Move the Cat5e/6 cable away from interference sources; ensure the same twisted pair connects to a balun at both ends; replace the cable.
    Image background flutters between dark and light Remove a local power source, or adjust the monitor's brightness/contrast.
    Image is wavy and shakes Try reversing polarity of the two wires at one end; reduce the Cat5e/6 cable length.
    Image is weak or faded Replace with a higher-grade cable — Cat6 allows longer range than Cat5e.
    No image Double-check Cat5e/6 and BNC connections; run a continuity test; check camera/monitor power; verify correct transmitter/receiver placement and polarity.

    Important Notices

    Users and installers are responsible for ensuring compliance with all national, state, and local laws related to monitoring and recording audio/video signals. Incorrect mounting that exposes the enclosure to rain or moisture could cause electric shock, device damage, and voids the warranty. Do not open the case — there are no field-serviceable components inside.

    Warranty

    This SECO-LARM product is warranted against defects in material and workmanship for two (2) years from the date of sale to the original customer. SECO-LARM's obligation is limited to repair or replacement of any defective part if the unit is returned, transportation prepaid.