The Spring Optical 16 Port Multiport Service Terminal (MST) is a high-density, IP68-rated pre-connectorized fiber optic distribution enclosure built for rapid FTTH (Fiber to the Home) and FTTA outdoor deployments. Designed with a tool-free FastConnect architecture, this 16-port terminal enables field technicians to connect pre-terminated subscriber drop cables externally without opening the main closure.
By eliminating field fusion splicing, gel management, and enclosure intrusion, the Spring Optical 16 Port MST Box reduces FTTH drop cable installation labor time by up to 60%, delivering an efficient, reliable solution for telecom operators, ISPs, and network contractors worldwide.
Key Advantages & Engineering Features
True Plug-and-Play FastConnect Design: External pre-terminated adapter ports eliminate the need to open the main enclosure during subscriber drop installation, keeping internal splices fully protected from weather and environmental hazards.
Universal Hardened Connector Interoperability: Engineered for full cross-brand compatibility with industry-standard hardened interfaces, including Corn Opti SC/APC, Huawei FastConnect (Mini-SC), ODVA, ODC, and FullAXS connectors.
IP68 Rugged Environmental Protection: Sealed with a fully mechanical gasket mechanism, the reinforced PC+ABS housing withstands continuous water immersion, severe dust ingress, UV exposure, and intense mechanical vibration.
Low Optical Loss Performance: Pre-terminated with high-precision optical ferrules. Every output port delivers low insertion loss (≤ 0.2 dB) and high return loss (≥ 60 dB for APC polish).
Flexible Cable Dispatching: Features an internal 24-core splice tray with > 30 mm bend radius protection, supporting straight-through main cables (Φ 5.0–18.0 mm) and mid-span access routing.
Product Option
Cross-Brand Interoperability & Compatibility Matrix
To simplify network integration across diverse regional telecom infrastructure, the Spring Optical 16 Port MST Terminal offers drop-in replacement compatibility:
| Global Interface Standard | Connector Type | Spring Optical Compatibility Status |
| Corn | Opti SC/APC | 100% Drop-in Replacement Compatible |
| Huawei | FastConnect (Mini-SC) | Fully Compatible |
| CommScope | Hardened Terminals | Fully Compatible |
| ODVA / ODC | Industrial Outdoor SC/LC | Fully Supported |
| FullAXS | Ruggedized Outdoor Interface | Fully Supported |
Technical Specifications
| Specification Item | Technical Parameter / Standard Value |
| Product Model | SP-MST-16P-IP68 |
| Distribution Ports | 16 Hardened Pre-Connectorized Drop Ports |
| Main Cable Entry | 2 Ports (Φ 5.0–18.0 mm straight-through cable) |
| Internal Splice Capacity | 24 Cores (Integrated Splice Tray) |
| Enclosure Material | High-Impact, UV-Resistant PC+ABS Polymer |
| Hardware Material | SS304 Stainless Steel |
| Dimensions (L × W × H) | 330 mm × 190 mm × 108 mm |
| Net Weight | 1.6 kg – 1.8 kg (Depending on final configuration) |
| Insertion Loss (IL) | ≤ 0.2 dB per port (Typical < 0.15 dB) |
| Return Loss (RL) | ≥ 60 dB (APC Polish) |
| Ingress Protection Rating | IP68 Mechanical Seal (1.5 m water depth for 7 days) |
| Operating Temperature | -40°C to +65°C (-40°F to +149°F) |
| Mechanical Cable Retention | > 1000 N Tensile Strain Resistance |
| Mating Durability | > 500 Mating Cycles |
| Standards Compliance | Telcordia GR-3120, IEC 61753-1, RoHS Compliant |
Diagram of 16 Port MST Multiport Service Terminal
Deployment & Mounting Scenarios
The compact, low-profile footprint of the 16 Port MST Terminal makes it adaptable to high-density and harsh outdoor environments:
Pole Mounting: Stainless steel hose clamps secure the terminal onto wood, concrete, or steel utility poles.
Wall Mounting: Expansion anchor bolts fix the terminal onto exterior masonry and building walls for MDU access.
Aerial Suspension: Messenger wire hanger brackets allow stable strand suspension along overhead fiber lines.
Underground Vaults & Pedestals: Fully submersible IP68 rating permits shallow burial inside handholes, manholes, and overground pedestals.
Quality Control & Factory Testing Standards
At Shenzhen Spring Optical Communication Co., Ltd., every 16 Port MST terminal undergoes strict quality control protocols in our ISO 9001-certified manufacturing facility prior to shipment:
100% Optical Testing: Every optical port is verified with 3D interferometers, insertion loss meters, and return loss test sets.
Water Immersion Verification: Sealed closures undergo deep-water pressure testing to guarantee zero IP68 leakage.
Thermal Cycling & Environmental Resistance: Tested across temperature extremes (-40°C to +80°C) and ISO 4892 UV resistance standards.
Engineering Support: Detailed datasheets, ISO 9001 compliance certificates, and 3D CAD step files are available for optical network planning engineers.
Frequently Asked Questions (FAQ)
What is the primary operational advantage of an MST box over a traditional FAT box?
An MST (Multiport Service Terminal) features pre-terminated external adapters, enabling plug-and-play drop cable connection without opening the sealed housing. Traditional FAT (Fiber Access Terminal) boxes require opening the enclosure and performing field fusion splicing, which significantly increases labor time and exposes internal optical fibers to moisture and dust.
Can Spring Optical supply custom port configurations or mixed adapter types?
Yes. As an OEM/ODM manufacturer, Spring Optical supports custom port configurations (4, 8, 12, or 16 ports) and can configure mixed adapter ports (e.g., combining Opti and FastConnect Mini-SC) on a single MST terminal to meet specific regional operator standards.
Is this 16 Port MST terminal fully suitable for harsh underground handholes?
Yes. The mechanical sealing design provides continuous IP68 ingress protection against dust and water pressure, making it ideal for shallow burial, underground vaults, and coastal high-humidity environments.
Get Custom OEM/ODM Quotation & Technical Datasheet
Looking for a reliable manufacturing partner for your FTTH expansion projects? Spring Optical provides full OEM branding, custom drop cable tail lengths, private labeling, and factory-direct wholesale pricing for global distributors and ISPs.
Email: sales@springoptic.com
WhatsApp / Phone: +86-13554955486
Factory Location: 611, Building A, Zhongan Science And Technology Park, Longhua District, Shenzhen, Guangdong, China
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