Fiber Network Interface Device (Fiber NID)
Tags: Network Interface Device (NID), Fiber NID Box, NID Enclosure, Fiber Entrance Terminal Demarcation Enclosure (FET)
Rayoptic’s Fiber Network Interface Device (Fiber NID) is a high-performance outdoor fiber optic enclosure specifically engineered for FTTH, FTTB, and FTTP networks. This outdoor Fiber NID enclosure delivers secure, weather-resistant protection, providing a reliable demarcation point between the service provider’s fiber optic network and the customer premises.
Designed for versatility, the Fiber NID supports multiple configurations for fiber termination, splicing, and cable management, making it suitable for a wide range of fiber deployment scenarios. Its durable construction ensures long-term performance against UV, rain, and dust, even in harsh outdoor environments.
The Fiber NID enables quick installation, simplified maintenance, and stable, high-speed optical performance, making it an ideal choice for telecom operators, ISPs, and broadband service providers seeking reliable and scalable FTTH connectivity solutions.

Fetures
Versatile cable clamping for multiple cable sizes and constructions
Supports up to two single fusion splices or one mass fusion splice
Includes one simplex SC/APC adapter and one duplex LC/APC adapter
Pre-installed copper ground lug for reliable grounding
IP55-rated for dust and water protection in outdoor installations
Compatible with up to 1-inch conduit for flexible cable routing
- Slack storage for up to 50 feet of fiber

Technical Specification
Parameter | Specifications |
Dimensions (HxWxD) (mm) | 261 x 222.69 x 72.97 mm (10.28 x 8.77 x 2.87 in) |
Materials | ABS and PC |
Supported Cable Type | Flat OD: 2mm to 8.1 x4.5mm Round OD: 3mm to16.2mm |
| Color | Light Gray |
Ports | 2 (1-in,1-out) |
Application | Wall Mounting |
Ingress Protection | IP 55 |

Environment Performance
Parameter | Specifications |
Storange Temperture Range | -40°C to 80°C (-40°F to 176°F) |
OperatingTemperature Range | -40°C to 80°C (-40°F to 176°F) |
Flame-retardant rating | Optional: Flame-retardant / Non-flame-retardant |
RoHS | Compliant |
Application
FTTH (Fiber to the Home) Deployments – The Fiber NID outdoor enclosure provides a secure, weatherproof demarcation point between the service provider’s fiber optic network and residential premises, ensuring reliable high-speed connectivity.
FTTB (Fiber to the Building) Installations – Delivers stable fiber connections to multi-dwelling units, commercial complexes, and office buildings with easy maintenance access.
FTTP (Fiber to the Premises) Solutions – Supports direct fiber connections to homes, offices, and business facilities, maintaining low-loss optical performance.
Rural and Remote Broadband Expansion – Ideal for extending outdoor fiber network coverage to rural areas, providing durable protection against harsh environmental conditions.
Telecom and ISP Network Upgrades – Enables service providers to modernize outdoor fiber termination points, simplify installation, and improve long-term network reliability.
