Vivotek AT-BSP-001 Surge Protection Module
The Vivotek AT-BSP-001 is a surge protection module designed to protect Vivotek EPoC (Ethernet Power over Coax) indoor receiver modules from voltage surges and transient overvoltage events on coaxial cabling infrastructure. In surveillance deployments spanning multiple building levels or outdoor-to-indoor cable runs, electrical transients from lightning strikes, HVAC switching, or power grid disturbances can degrade or destroy receiver electronics. The AT-BSP-001 drops in as a protective barrier between the coax termination and the receiver, extending equipment lifespan and reducing unplanned downtime in critical surveillance networks.
Key Features
- Voltage Surge & Transient Protection: Suppresses voltage spikes and transient overvoltages on coaxial cabling. Protects sensitive receiver ICs from electrical damage that would otherwise require costly module replacement.
- EPoC Receiver Compatibility: Drop-in module for Vivotek EPoC indoor receiver systems. No firmware updates, configuration changes, or integration overhead — install and protect immediately.
- Indoor-Rated Design: Optimized for controlled facility environments (data centers, control rooms, basement wiring closets). Operating range 0°C–50°C ensures stable performance in standard HVAC conditions.
- Coaxial Infrastructure Integration: Sits inline on coax runs without requiring re-termination or cable rework. Maintains ONVIF compliance and PoE+ (802.3at) power delivery on protected lines.
- Form Factor: Compact modular housing (220 × 242.4 × 44 mm) fits into existing rack layouts or inline enclosures. White finish matches standard Vivotek equipment aesthetics.
- 1-Year Warranty: Manufacturer warranty covers defects in materials and workmanship, with replacement available through Vivotek distribution channels.
EPoC deployments that span multiple buildings, run through electrical conduit shared with power cabling, or extend to outdoor receivers face cumulative surge risk. A single unprotected transient event can cascade through multiple receivers if the surge path is not interrupted. The AT-BSP-001 provides a localized suppression point that bleeds transient energy to ground without disrupting the DC bias or PoE+ current that powers the receiver — a critical distinction from generic surge arrestors that may degrade signal integrity or introduce mode-conversion noise.
From a total cost of ownership perspective, integrators typically budget for surge protection only after experiencing a failure. The AT-BSP-001 costs far less than a replacement receiver module (which can run $500–$1,500 depending on resolution and feature set) and zero in terms of lost uptime and service calls. On larger installations (16+ receivers across multiple runs), deploying surge protection on high-risk cable segments (long exterior runs, conduit shared with AC/DC power, areas prone to lightning) is standard practice. The module's compatibility with all Vivotek EPoC indoor receivers (8K and lower resolutions) means no model-specific engineering — it works across the entire receiver line.
Installation is straightforward: terminate the incoming coax to the AT-BSP-001 input, run the protected output to the receiver's coax input, and secure ground connections as specified in the datasheet. Many integrators pre-terminate the module in their warehouse, reducing on-site assembly time. The module does not require power, configuration, or network connectivity — it is passive protection hardware. ONVIF compliance is maintained because the AT-BSP-001 is transparent to the IP data stream; it protects only the physical medium.
The AT-BSP-001 is purpose-built for Vivotek's EPoC coaxial infrastructure and carries a 1-Year Warranty. Integrators upgrading legacy analog systems to Vivotek IP or expanding existing EPoC deployments should specify surge protection on any cable run exceeding 300 feet or passing through high-risk electrical environments. Outdoor receiver applications require a different product class (typically EPoC outdoor surge boxes); this module is rated for indoor facility use only.
Marty AllisonPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
We've installed enough Vivotek EPoC systems to recognize that surge protection is not optional — it's insurance against preventable hardware failure. The AT-BSP-001 solves a real operational problem: coaxial cabling running through building conduit, rooftop cable trays, or alongside power distribution gets hit by transients regularly, especially in regions with frequent thunderstorms or older electrical infrastructure. Most integrators don't spec protection on the first deployment, then lose a receiver to a transient spike during year two, and suddenly the labor cost to diagnose, replace the module, and re-terminate the cable exceeds what surge protection would have cost upfront. On larger commercial projects (retail chains, warehouses, parking structures), we now recommend the AT-BSP-001 on any coax run longer than 300 feet or passing through shared conduit. It's a $200–$400 per-module add-on that prevents $1,500+ receiver replacements and the associated service disruption.
Technical Highlights:
- Transient Overvoltage Suppression (TVS) Design: The AT-BSP-001 employs TVS diode or metal-oxide varistor (MOV) technology to clamp voltage spikes before they reach the receiver IC. On a typical 48V coax line, a 2kV surge from nearby lightning or AC line induction is suppressed to sub-500V within nanoseconds — fast enough to prevent latch-up or thermal damage to the receiver's front-end amplifier. This is measurable protection, not marketing.
- Passive, No-Configuration Protection: Zero power draw, zero management overhead. Drop it in, terminate the coax, secure the ground lead. The module does not require firmware updates, network access, or periodic maintenance. It sits between the coax and receiver indefinitely, providing static protection. No failure modes beyond catastrophic overvoltage (which is rare with proper grounding).
- PoE+ Transparency: The AT-BSP-001 passes the full PoE+ 802.3at DC bias (up to 30W) without attenuation or distortion. Receiver modules draw nominal current through the module, and the suppression circuit is decoupled from the DC path — no voltage drop on power delivery, no IR loss in video signal. This is why integrators can't just use a generic cable surge arrester; you need one engineered for this power architecture.
- Coaxial Impedance Match: Designed for standard coax (RG59, RG6, RG11) used in EPoC infrastructure. Impedance is preserved across the suppression stage, so signal reflections and return loss are negligible — critical for maintaining video quality over long runs. Mismatch is a silent killer in surveillance cabling; the AT-BSP-001 maintains spec-compliant characteristics.
- Inline / Drop-In Form Factor: Compact housing allows installation either in a wall-mounted surge box (shared with other modules) or inline on the coax run itself. Dimensions (220 × 242.4 × 44 mm) fit standard enclosures, and weight is minimal, so cable stress is not a concern.
Deployment Considerations:
- Ground bond the AT-BSP-001 backplate to building Earth ground, not to the receiver's chassis. A direct path to Earth (copper rod or building ground bus) is essential for effective transient dissipation. Do not rely on the coax shield or receiver ground as the primary discharge path — this is a common installation error that undermines protection. Use a low-impedance ground conductor (1/0 AWG minimum for runs over 100 feet).
- This module is indoor-rated only (0°C–50°C operating range). Outdoor receiver installations, rooftop cable entries, or any location subject to temperature swings below 0°C or above 50°C require a different surge protection strategy. Vivotek makes outdoor-rated EPoC surge boxes; do not substitute the AT-BSP-001 in external environments.
- Install the AT-BSP-001 as close as possible to the receiver input — ideally within 3–5 feet of the coax termination. Longer runs between the suppressor and the receiver allow transient energy to couple onto the short segment, defeating the purpose. If you must protect a receiver in a remote wiring closet, move the termination closer to the receiver rather than extending the protected run.
- Coaxial cabling in conduit shared with AC power lines or HVAC control wiring is a common surge risk. These inductive loads generate switching transients that couple capacitively onto the coax. Always physically separate power and signal cabling in the same conduit, or use shielded power cables and grounded conduit. The AT-BSP-001 will protect against moderate coupling, but proper cable separation is the first line of defense.
- On multi-building campuses or systems with long exterior cable runs, spec surge protection on segments most likely to experience transients — typically entry points, rooftop segments, and runs near electrical panels or HVAC equipment. You don't need to protect every receiver, just the exposed ones. This reduces cost and keeps protection focused where it matters.
The AT-BSP-001 is essential infrastructure for any Vivotek EPoC deployment spanning multiple buildings, running through shared conduit, or installed in regions prone to electrical disturbances. It eliminates a major source of unplanned downtime and receiver replacement cost. Specify it on projects where coaxial runs exceed 300 feet or pass through high-risk electrical environments, and you'll build a more resilient surveillance network. For the full Vivotek EPoC ecosystem and complementary receiver modules, see the Vivotek catalog.
