Telenco OTB – Optical Transition Box (CSP)

Telenco OTB – Optical Transition Box (CSP)

The Telenco OTB – Optical Transition Box (CSP) is a compact and discreet fibre optic transition and repair enclosure designed for drop cable connection, repair and subscriber network termination applications.

The OTB enables a secure optical transition between an outdoor drop cable and an indoor subscriber cable, while also supporting repair applications between two drop cables with capacities of up to 4 fibres (4FO). Its compact low-profile design minimises visual impact, making it ideal for façade and pole-mounted FTTH deployments.

Designed for ease of installation and long-term durability, the OTB features an ergonomic internal fibre management layout with integrated splice storage and cable clamping systems. The enclosure supports direct indoor cable entry from the front side without requiring additional components, simplifying installation and maintenance operations.

The enclosure is manufactured from durable thermoplastic materials and provides reliable environmental protection for external telecom installations, making it suitable for both façade and pole mounting applications.

Key Features:

• Optical transition and repair box for drop cables

• Supports transition between outdoor and indoor subscriber cables

• Suitable for drop cable repair applications up to 4FO

• Compact and discreet low-visual-impact design

• Quick and easy façade or pole mounting

• Ergonomic internal fibre management system

• Direct indoor cable entry from front side

• Integrated splice tray and fibre storage

• No additional components required for installation

• Durable weather-resistant thermoplastic enclosure

Technical Specifications:

• Product Type: Optical Transition Box (CSP)

• Material: Thermoplastic body

• Gasket Material: Elastomer

• Cable Clamp Screws: 304 Stainless Steel

• Colour: Grey RAL 7035

• Dimensions: L 120.8 × H 95.5 × D 30.7mm

• Weight: 0.14kg

• Packaging Quantity: 10 units

Environmental Performance:

• Dust & Water Protection:

  • IP55 on façade installations

  • IP53 on pole installations

• Impact Resistance: IK06

• Operating Temperature: -40°C to +65°C

• UV Protection: EN ISO 4892-2 compliant

• Chemical Resistance: NF EN 61300-2-34 compliant

• Minimum Bending Radius Control: ≥ 15mm

Connectivity Characteristics:

Bottom Cable Access

• Cable Dimensions Supported: 2.8mm to 6.2mm

• Applications: Transition or repair

Rear Cable Output

• Cable Dimensions Supported: 2mm to 4.2mm

• Application: Direct indoor customer entry

Splice Tray

• Number of Splice Trays: 1

• Splicing Capacity: 4FO

• Splice Protection Dimensions: Ø2.4mm × max 45mm length

• Fibre Storage: 80cm per fibre (250µm fibre)

Tight / Semi-Tight Fibre Storage

• Total Fibre Storage Capacity: 600cm

Included Fixing Materials:

• 2 × 4 × 30 screws

• 2 × 6 × 30 wall plugs

• 1 × tie wrap

Applications:

• FTTH subscriber connection points

• Outdoor to indoor fibre transitions

• Drop cable repair applications

• Façade and pole-mounted fibre installations

• Telecom and utility fibre infrastructure projects