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    SECO-LARM EB-P101-20PHQ — ENFORCER 4-in-1 HD Passive Video and Power Balun Manual

    September 08, 2026 4 min read

    Complete instruction manual for the SECO-LARM ENFORCER EB-P101-20PHQ 4-in-1 HD passive video and power balun.

    💾 Download Original PDF
    Full text manual (for reference)

    Instruction manual for the SECO-LARM ENFORCER EB-P101-20PHQ — a 4-in-1 HD passive video and power balun (TVI/CVI/AHD/Analog) that transmits video and power over low-cost Cat5e/6 cable instead of coax.

    Overview

    The EB-P101-20PHQ is a passive balun pair (one transmitter, one receiver) that lets installers run HD video signal (TVI, CVI, AHD, or analog up to 5MP) plus 12/24VAC/VDC camera power over a single run of Cat5e/6 cable, instead of costly coaxial cable. It requires no external power, includes built-in Grade III lightning/TVS surge protection, anti-static and wave filters, and 60dB crosstalk/noise immunity. Each unit ships with an RJ45 jack plus BNC and DC pigtails for quick installation.

    Features

    • 4-in-1 TVI / CVI / AHD / Analog video support up to 5MP
    • NTSC / PAL / SECAM compatible
    • Transmits video up to 1,476ft (450m) depending on format, resolution, and cable used
    • Transmits power for 12/24 VAC/VDC cameras
    • Built-in TVS surge protection; Lightning Protection Grade III
    • Anti-static and wave filters
    • 60dB crosstalk and noise immunity; exceptional interference rejection
    • Passive operation — no external power required
    • RJ45 jack and pigtails for easy installation
    • Includes one transmitter and one receiver

    Specifications

    Video range – TVI 1080p: 820' (250m); 5MP: 590' (180m)
    Video range – CVI 1080p: 820' (250m); 4MP: 656' (200m)
    Video range – AHD 1080p: 820' (250m); 5MP: 590' (180m)
    Video range – Analog (B/W) 1,476' (450m)
    Video range – Analog (Color) 1,312' (400m)
    Video format NTSC, PAL, SECAM
    Frequency response DC~71MHz
    Common/differential mode rejection 60dB, 15kHz~71MHz
    Wire type / category UTP (Unshielded Twisted Pair) 24~16 AWG; Cat5~Cat6
    Camera side connections Video in: BNC; Power out: DC Plug
    DVR side connections Video out: BNC; Power in: DC Jack
    Attenuation 8dB max.
    Impedance Coax (BNC): 75Ω@1MHz; RJ45: 100Ω@1MHz
    Surge protection Renewable solid state; video input 2KV common mode, video output 2KV differential mode (10/700μs IEC6100-4-5/1955)
    Max amperage 1A@12VDC
    Power range Up to 755' (230m) max. — see Power Range table below
    DC loop resistance 52Ω/1000' (18Ω/100m)
    Differential capacitance 19pF/ft max. (62pF/m max.)
    Operating temperature -4°~158°F (-20°~70°C)
    Storage temperature -40°~302°F (-40°~150°C)
    Humidity range 0~95% (non-condensing)
    Case ABS plastic
    Weight 2.5oz (72g)
    Cable length 4¾" (120mm)
    Dimensions 2⅜"x1³/₁₆"x1³/₁₆" (60x20x30mm), excluding pigtail and BNC connector

    Installation

    1. HD video/power baluns are connected in pairs — connect one balun to the HD CCTV camera and the other to an HD DVR or remote HD CCTV equipment.
    2. Confirm the distance between the camera and remote video device doesn't exceed the specified range for the cable type, resolution, and voltage used.
    3. Run Cat5e/6 cable (UTP) from the remote video device to the camera using T568-B wiring.
    4. Connect the Cat5e/6 cable to the RJ45 ports of both baluns.
    5. Connect the DC plug of the camera-side balun to the camera's DC connector; connect the DC jack of the other balun to the power supply's DC connector.
    6. Connect the BNC connector of the camera-side balun to the camera's BNC connector; connect the other BNC connector to the DVR or remote device.
    7. Power up the camera and remote video device and confirm both operate as expected.

    Sample application chain: Camera (Video/DC Plug) → balun → Cat5e/6 → balun → (Video/DC Jack) Power Supply → Remote HD DVR, Monitor, Switch, etc. Note: shorter range may result when used with a DVR.

    Range by Video Format

    TVI CVI AHD Analog/CVBS
    720p: 820ft (250m) 720p: 1,443ft (440m) 720p: 1,049ft (320m) B/W: 1,476ft (450m)
    1080p: 820ft (250m) 1080p: 820ft (250m) 1080p: 820ft (250m) Color: 1,312ft (400m)
    3MP: 820ft (250m) 3MP: N/A 3MP: 820ft (250m)  
    4MP: 590ft (180m) 4MP: 656ft (200m) 4MP: 656ft (200m)  
    5MP: 590ft (180m) 5MP: N/A 5MP: 590ft (180m)  

    T568-B Wiring Specification

    Pair Wire Pin Function
    1 White/Blue 5 Power (+)
    1 Blue 4 Power (-)
    2 White/Orange 1 Video (+)
    2 Orange 2 Video (-)
    3 White/Green 3 N/A
    3 Green 6 N/A
    4 White/Brown 7 Power (+)
    4 Brown 8 Power (-)

    Power Range by Camera Draw (1080p, approximate)

    Camera Draw 12VDC 15VDC 18VDC 24VDC
    200mA 492' (150m) 591' (180m) 755' (230m) 755' (230m)
    300mA 492' (150m) 591' (180m) 755' (230m) 755' (230m)
    400mA 394' (120m) 492' (150m) 656' (200m) 722' (220m)
    500mA 295' (90m) 427' (130m) 591' (180m) 722' (220m)
    600mA 197' (60m) 394' (120m) 591' (180m) 722' (220m)
    800mA 148' (45m) 312' (95m) 492' (150m) 722' (220m)
    1A 98' (30m) 262' (80m) 492' (150m) 656' (200m)

    Troubleshooting

    Wavy/ghost image via DVR/multiplexer 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 with a new Cat5e/6 cable.
    Image background flutters dark/light Remove a local power source, or adjust monitor brightness/contrast.
    Image is wavy and shakes Try reversing polarity of the two wires at one end of the Cat5e/6 cable.
    Image is weak or faded Reduce cable length or replace with a higher grade (Cat6) cable for longer range.
    No image Double-check Cat5e/6 and BNC connections; run a continuity test; confirm camera and monitor are powered up; verify polarity; increase input voltage.

    Also Available from SECO-LARM

    • EB-P101-01HQ — Passive 4-in-1 HD Video Balun
    • VG-1C12YQ — 4-in-1 HD Ground Loop Isolator
    • EB-P116-60HQ — 4-in-1 HD 16-Channel Passive Balun Hub

    Warnings & Warranty

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

    Warranted against defects in material and workmanship for two (2) years from date of sale to the original customer. SECO-LARM's obligation is limited to repair or replacement of defective parts, transportation prepaid. Warranty is void for damage from acts of God, misuse, abuse, neglect, alteration, improper installation, or other causes unrelated to defects in material/workmanship.

    Manufacturer

    SECO-LARM U.S.A., Inc., 16842 Millikan Avenue, Irvine, CA 92606. Phone: (949) 261-2999 / (800) 662-0800. Email: sales@seco-larm.com. Website: www.seco-larm.com. © 2018 SECO-LARM U.S.A., Inc.