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Câble à fibre optique GJBFJH Breakout - Distribution intérieure (G652D / G657A1 / G657A2)
Superior Performance
- Low insertion loss and high return loss characteristics
- Excellent bending performance (especially G657A1/A2 variants)
Durable Construction
- Flame-retardant LSZH jacket material
- High-strength aramid yarn reinforcement
- Compact design with small bending radius
Installation Advantages
- Breakout design allows easy connectorization
- Flexible structure for routing in tight spaces
- Color-coded fibers for easy identification
What is GJBFJH indoor fiber cable
GJBFJH indoor optical cable is an indoor fiber optic cable that uses a branched bundle distribution structure, specially designed for demanding indoor environments such as data centers, enterprise networks, and fiber-to-the-home applications. It provides multiple single-mode fiber options including G652D, G657A1. and G657A2. It features low insertion loss and high return loss, and the G657 series additionally offers excellent bend resistance. The cable uses a flame-retardant, low-smoke, halogen-free jacket reinforced with high-strength aramid yarn, making it compact in structure with a small bending radius. The unique branched design makes on-site connector termination easier, and the color-coded fibers allow for quick identification. It complies with IEC 60794-1-2. RoHS, and IEC 60332-1 flame-retardant standards, and is widely suitable for indoor interconnection scenarios such as building backbone cabling and security system installation.
GJBFJH Breakout Fiber Optic Cable Paramètres de spécification
- Paramètres de spécification
- CARACTÉRISTIQUES OPTIQUES
| Optical fiber categoryFiber type | Attenuation (20 ℃) | Injection bandwidth (OFL) | Effective bandwidth | 10G Ethernet Link Length SX | Minimum bending radius | |||
|---|---|---|---|---|---|---|---|---|
| 1310/1550nm | 850/1300nm | |||||||
| Typical value | Value | Typical value | Value | |||||
| Unité | dB / Km | dB / Km | dB / Km | dB / Km | MHz · Km | MHz · Km | m | mm |
| G652D | 0.36/0.22 | 0.5/0.4 | --- | --- | --- | --- | --- | 16 |
| G657A1 | 0.36/0.22 | 0.5/0.4 | --- | --- | --- | --- | --- | 10 |
| G657A2 | 0.36/0.22 | 0.5/0.4 | --- | --- | --- | --- | --- | 7.5 |
| 50/125 | --- | --- | 3.0/1.0 | 3.5/1.5 | ≥500/500 | --- | --- | 30 |
| 62.5/125 | --- | --- | 3.0/1.0 | 3.5/1.5 | ≥200/500 | --- | --- | 30 |
| OM3 | --- | --- | 3.0/1.0 | 3.5/1.5 | ≥1500/500 | ≥2000 | ≤300 | 30 |
| OM4 | --- | --- | 3.0/1.0 | 3.5/1.5 | ≥3500/500 | ≥47000 | ≤550 | 30 |
| BI-OM3 | --- | --- | 3.0/1.0 | 3.5/1.5 | ≥1500/500 | ≥2000 | ≤300 | 7.5 |
| BI-OM4 | --- | --- | 3.0/1.0 | 3.5/1.5 | ≥3500/500 | ≥47000 | ≤550 | 7.5 |
Structure et composition du produit
FRP：Non-metallic central strength member (glass fiber reinforced plastic), provides tensile and compressive support for the optical cable while maintaining all-dielectric and lightning-proof characteristics.
Cushion Layer：Cushion layer, wrapped around the central strength member, cushions the lateral pressure of the sub-cables and protects the tight-buffered optical fibers from extrusion.
Tight Buffered Fiber：Tight-buffered optical fiber, where the fiber is directly and closely wrapped with a protective buffer layer, forming an independent fiber unit that facilitates direct connector termination.
Yarn：High-strength aramid yarn or similar fibers, used as the tensile reinforcing element within the sub-cable, enhancing flexibility and tensile strength.
Inner Sheath：Inner sheath (sub-cable sheath), covering the tight-buffered fibers and yarns, forming independently separable sub-units for branch wiring.
Nonwovens：Nonwoven wrapping tape, used to bind and secure the cable core, providing thermal insulation, cushioning, and helping the optical cable structure to be more uniform.
Outer Sheath：Outer sheath, made of flame-retardant low-smoke zero-halogen (LSZH) material, providing the overall optical cable with final environmental protection and flame-retardant performance.
Avantages de GJBFJH Breakout Fiber Optic Cable
Outstanding Transmission Performance
Extremely low insertion loss and high return loss ensure signal integrity
Excellent bend resistance, with G657A1/A2 variants performing particularly well
Robust and Durable Construction
Flame-retardant, low-smoke, halogen-free (LSZH) jacket enhances safety level
High-strength aramid yarn reinforcement provides reliable tensile strength
Compact structure with small bending radius, suitable for confined environments
Convenient Installation Features
Branch design makes on-site connector termination easier
Flexible structure allows easy deployment in narrow spaces
Fiber color coding for clear, quick identification
Applications d'ingénierie GJBFJH Breakout Fiber Optic Cable
Multi-Floor Building Backbone
GJBFJH is ideal as a vertical riser cable in office buildings, MDUs, and hotels. Its SZ‑stranded sub‑units allow installers to access individual fibers on any floor without cutting the entire cable – simply open the jacket, extract the required sub‑unit, and route it directly to a subscriber or terminal box. LSZH sheath ensures fire safety in occupied riser shafts.
FTTH / FTTB Distribution to Apartments
In FTTH projects, the main cable from the building entrance can be terminated in the basement. Individual 2.0mm sub‑units are then routed horizontally through conduits to each apartment’s ONT. The dry (gel‑free) design keeps termination clean, and G.657 bend‑insensitive fiber supports tight corner routing inside walls.
Data Center & Equipment Room Patching
Between ODFs, switches, and servers, GJBFJH eliminates breakout kits – each sub‑unit can be directly connectorized and plugged into active equipment. Small diameter and all‑dielectric construction save space and require no grounding. Available with single‑mode or multi‑mode fibers up to 48 cores.
Expédition et emballage
ExigencesPackaging :
- 1 : Tous les câbles doivent être enroulés sur des bobines en bois traitées qui ne sont pas retournables
- 2 : Les extrémités des câbles doivent être solidement fixées à la bobine et protégées par waterproof capuchons rétractables
- 3 : Chaque bobine doit inclure :
Chaque bobine doit contenir les éléments suivants :
Une couche extérieure protectrice d'emballage plastique
Renforcement des lattes de bois pour assurer la stabilité
Au moins 1 mètre d'extrémité de câble libre réservé aux tests
Une longueur de bobine standard de 3000 mm (avec une tolérance autorisée de ± 2 %)
Identification du câble :
La veste extérieure doit afficher :
- 1 Numérotation séquentielle unique tous les 1m (± 1 % de variance autorisée)
2. Les marquages répétés supplémentaires à des intervalles de 1 mètre doivent inclure :
Code produit et nombre de fibres
Identification du fabricant
Date de production (mois / année)
Longueur totale du câble
Standard dimensions de l'emballage :
| Length | Container | Size (L×W×H) | Net Mass | Total Mass |
|---|---|---|---|---|
| 2 km | Bobine en bois | 90 × 75 × 90 cm | 156 kg | 220 kg |
| 3 km | Bobine en bois | 100 × 68 × 100 cm | 240 kg | 280 kg |
| 4 km | Bobine en bois | 109 × 75 × 109 cm | 300 kg | 368 kg |
| 5 km | Bobine en bois | 129 × 72 × 129 cm | 400 kg | 480 kg |
Technical Référence :
- 1 Diamètre du câble standard : 10,0 mm
- 2 Distance maximale de la portée : 100m
- 3 Contactez l'équipe de vente pour les spécifications techniques complètes
Normes de marquage des bobines :
Des marques permanentes (hauteur minimale de 25 à 30 mm) doivent apparaître des deux côtés de chaque bobine :
- 1 Nom et marque de l'entreprise
- 2 Longueur du câble contenue
- 3 Spécifications du câble (type / nombre de fibres)
- 4 Orientation de l'enroulement
- 5 Mesures de poids (brut / net)
Remarque : Tous les matériaux d'emballage en bois doivent subir un traitement de fumigation approprié avant d'être utilisés.
Comparaison des produits：
| Feature / Dimension | GJBFJV (Branch/BPON Cable) | GJFJV (Distribution Cable) | GJXH (Bow-type Drop Cable) |
|---|---|---|---|
| Structural Features | Stranded loose tube design, several 900μm tight-buffered fibres as sub-units, aramid yarns and non-metallic central strength member [7†L3-L4]. Flame-retardant PVC or LSZH outer sheath. | Tight-buffered 900μm fibres (2–144 cores), aramid yarns strength member, flame-retardant PVC or LSZH outer sheath [10†L3-L4]. | Flat “figure‑8” cross‑section, two parallel FRP strength members with central fibre core, LSZH sheath [18†L5-L6]. Designed for G.657 bend‑insensitive fibre [24†L6]. |
| Fiber Core Capacity | 2–48 cores [8†L2-L3] (typical: 2–24 cores) [9†L13-L14]. | 2–144 cores [3†L2-L3]. | 1–4 cores (typical 1–2 cores) [24†L9-L10]. |
| Typical Applications | Building vertical/horizontal backbone cabling, multi‑floor branch termination, LAN, telecom equipment interconnects, indoor/outdoor transitional wiring (with UV‑resistant LSZH) [2†L3-L4]. | Indoor distribution backbone, equipment room patching, riser/plenum cabling, FTTB (Fiber‑to‑the‑Building) [6†L17-L18]. | FTTH drop cable from distribution box to ONT, indoor wall/ceiling routing, residential broadband access [18†L5-L6]. |
| Engineering Pros | ① Stranded layer structure – supports mid‑span branching without disturbing entire cable; ② High tensile strength (200/660 N) [19†L10-L11]; ③ All‑dielectric – immune to EMI, no grounding; ④ LSZH variant available for fire‑rated spaces; ⑤ Good flexibility for duct/tray routing [6†L10-L12]. | ① Simple, compact design – low‑cost multi‑core indoor distribution; ② Good flexibility and bend performance; ③ Compatible with standard connector termination; ④ Lightweight, easy installation [10†L5-L8]. | ① Ultra‑compact flat profile (3.0×2.0mm) [24†L9]; ② Excellent bend resistance (static: 5H, dynamic: 10H) [24†L10-L11]; ③ G.657 fibre compliant – tight corner routing; ④ Easy strip with no tools; ⑤ LSZH standard – fire‑safe for residential/office use [18†L5-L6]. |
| Engineering Cons | ① Larger diameter (7.2–12.5mm) and heavier (45–148 kg/km) [19†L10-L13]; ② Higher cost per core than GJFJV; ③ Requires careful management of branch sub‑units; ④ Limited to ≤48 cores – not ideal for high‑capacity backbone. | ① No central strength member – less resistant to longitudinal compression; ② Branching requires entire cable stripping – labour‑intensive for mid‑span access; ③ Not recommended for multi‑floor distributed termination. | ① Very low fibre capacity (≤4 cores); ② Low tensile strength (100/200 N) [24†L9]; ③ Not suitable for vertical riser or long runs; ④ Requires additional support/conduit in high‑density cable trays. |
| Fire Safety / Sheath | PVC (default) or LSZH. LSZH meets strict building fire codes for plenum/riser spaces; PVC is flame‑retardant but halogen‑emitting. | PVC (OFNR/OFNP) or LSZH. LSZH variant mandatory for public buildings, tunnels, data centers with strict low smoke/halogen‑free requirements [1†L17-L18]. | LSZH (standard) or PVC (option). LSZH mandated for residential/office indoor compliance. |
| Cost (Relative) | Medium – stranded construction and multiple sub‑units increase material and labour cost. | Low – simple construction, most economical multi‑core indoor distribution. | Very low – minimal material, mass‑produced for FTTH last‑metre. |
| Maintenance Difficulty | Low – sub‑units allow isolated repairs; lighter per‑sub‑unit handling, but higher cable mass requires planning. | Low – easy access, simple termination; mid‑span branching requires stripping entire jacket – more disruptive for repairs. | Very low – simple flat shape, easy routing; field termination requires dedicated tools; but low fibre count limits maintenance flexibility. |
GJBFJH Breakout Fiber Optic Cable Guide de sélection
Building backbone cabling between GJBFJV, GJFJV and GJXH:
For multi‑floor backbone cabling where frequent mid‑span branching is required to feed individual floors or rooms, GJBFJV is the preferred choice. Its stranded sub‑unit design allows you to access and terminate specific fibres without disturbing the rest of the line – a significant labour saving for distributed termination projects such as large office buildings, campuses, or retrofit deployments.
For simple point‑to‑point runs between equipment rooms or distribution frames (MDF/IDF) where the cable is terminated only at both ends and mid‑span access is not required, GJFJV is the best‑value solution. It supports a wide fibre count range up to 144 cores, its compact dimensions (4.8–6.2mm for 4‑12 cores) and low weight reduce material and transport cost, and it offers the same mechanical performance at a much lower price.
For last‑metre drop cabling from the building distribution point to the end user (e.g., home or office ONT), GJXH is the obvious choice. Its ultra‑compact flat profile, excellent bend resistance with G.657 fibre, and easy no‑tool stripping make it ideal for routing through tight corners, behind walls, under carpets, or in shallow conduits.
Fire safety and building code compliance:
All three cables are available in LSZH (Low Smoke Zero Halogen) sheathing, which is mandatory for public spaces, high‑rise risers, tunnels, data centers, and any occupied area where low smoke and halogen‑free requirements are enforced. For buildings without strict fire codes, PVC‑sheathed versions (standard for GJFJV and GJBFJV) offer lower cost but emit dense smoke and halogen gases when burned.
Core count and deployment strategy:
| Requirement | Recommended Cable |
|---|---|
| Multi‑floor backbone with distributed termination (branch at each floor) | GJBFJV |
| Point‑to‑point equipment room runs, high core counts (24–144 cores) | GJFJV |
| FTTH drop, ONT connection, indoor final metre, small office/home runs | GJXH |
Cost‑performance summary:
GJXH is the lowest‑cost solution for 1‑4 core last‑metre connections, offering ultra‑compact dimensions and excellent bend performance at minimal material cost.
GJFJV provides the most cost‑effective multi‑core indoor distribution for point‑to‑point backbone runs, with wide core count flexibility and low per‑core cost.
GJBFJV commands a cost premium over GJFJV for equivalent core counts, but this premium is justified by the labour savings and reduced disruption when performing mid‑span branch terminations on multi‑floor installations.
GJBFJH Indoor Breakout Cable – Short Installation Guide
1. Environment & Inspection
Installation temperature: -5°C to +50°C (operating/storage: -20°C to +60°C). Inspect the cable reel and outer sheath for any visible damage before installation.
2. Cable Routing & Pulling
Place cable in trays, conduits, or cable shafts. Avoid sharp bends, crushing, or over-tensioning. Maximum pulling tension: 440 N for 4‑core, 660 N for 6‑24 core, 1320 N for 24‑48 core (short‑term). Maintain bending radius ≥20D during pulling, ≥10D static
3. Mid‑Span Branching (Key Feature)
Locate the built‑in ripcord and SZ‑stranded sub‑units. Strip the outer jacket using the ripcord to expose individual 2.0 mm sub‑units (each containing 900µm tight‑buffered fibre + aramid yarns). Carefully extract required sub‑units without disturbing others. Store unused sub‑units in the splice enclosure.
4. Termination & Splicing
Each sub‑unit has its own reinforcement and sheath – no breakout kit needed. Strip the sub‑unit jacket to access the 900µm tight‑buffered fibre. Clean and connectorize directly, or splice to drop cables. Gel‑free, dry construction keeps termination clean and sanitary.
5. Acceptance Testing
Perform OTDR test to verify attenuation meets specifications. Check continuity and insertion loss for each terminated fibre.
Télécharger le catalogue de produits YRTFIBER
Prise de vue réelle d'usine
1. Fiber Drawing and Screening Workshop
The factory is equipped with advanced vertical fiber drawing towers, using PCVD or OVD processes, capable of mass production of low-loss single-mode fibers such as G.652.D and G.657.A1. Drawing speed up to 2800 m/min, with double-layer acrylic resin applied online to ensure fiber strength and geometric consistency. After drawing, the tension screening machine automatically removes breakpoints, ensuring zero defects per kilometer of fiber optics.
2. Loose Fiber Extrusion and Paste Filling Line
We have multiple high-speed loose sleeve extrusion production lines, where PBT or PE materials are precisely molded into loose tubes with an outer diameter of 1.8~2.5mm. The sleeve is automatically filled with thixotropic water-blocking paste, with online control of remaining length (±0.05%). After extrusion, ultrasonic cleaning and real-time feedback with a diameter laser diameter gauge ensure uniform casing wall thickness and bubble-free fabrication.
3. Cable forming and metal armor production line
The factory is equipped with SZ stranding cable machines (maximum twisting pitch 30mm, 144 cores) and wire/steel strip armoring forming tables. It can complete the twisting and longitudinal wrapping of central reinforcement parts, loose sleeve tubes, filling ropes, and armor layers in one go. Steel strip welding uses continuous laser welding, adjustable welding speed, and is equipped with eddy current flaw detection. After cable formation, it immediately enters the double-sheath extrusion machine to produce PE or LSZH outer sheaths.
4. Quality inspection and environmental simulation laboratory
The laboratory is CNAS certified and equipped with OTDR, dispersion analyzers, tensile/compressive testing machines, high and low temperature circulation chambers (-40°C~85°C), and salt spray corrosion testers. Every batch of products passes 100% of the full tests before leaving the factory, including attenuation, tensile, flattening, temperature cycling, water seepage, and flame retardant (IEC 60332). The intelligent data management system can trace the complete production process of each reel.
Foire aux questions et enquête rapide
GJBFJH Breakout Fiber Optic Cable FAQ
1. En quoi le câble de dérivation GJBFJH diffère-t-il des câbles à fibres optiques intérieurs standard?
Le GJBFJH présente une conception de rupture renforcée avec des fibres renforcées individuellement, offrant :
• Résistance à la traction 3 fois plus élevée (600N vs 200N typique)
• Veste LSZH avec indice de flamme IEC 60332-
• Faisceaux de fibres pré-terminés pour une installation plus facile dans les centres de données
2. Quelles sont les limites réelles du rayon de flexion pour les fibres G657A1 / A2?
• G657A1 : 7,5 mm (installation) / 15 mm (opérationnel)
• G657A2 : 5 mm (installation) / 10 mm (opérationnel)
Practical example: Can make 90° turns around server rack corners without signal loss
3. Quel type de fibre dois-je choisir pour mon déploiement FTTH?
Notre recommandation :
• G652D : Courses dorsales en ligne droite (les plus rentables)
• G657A1 : Zones de virage modérées (contremarches d'immeuble)
• G657A2 : Routage haute densité (installations de maison intelligente)
4. Quelles sont les certifications de la gaine de câble?
• Conformité totale avec :
- Test de flamme IEC 60332-1
- RoHS 2,0 directive
- documentation de notation OFNR disponible sur demande
5. Puis-je obtenir des configurations de connecteurs personnalisées?
Oui, nous proposons :
• Toute combinaison de LC / SC / FC / ST connectors
• Options de polissage APC ou UPC
• Assemblages Factory-preterminated avec réduction des contraintes
(Lead time: 3-5 days for standard configurations)
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