Fiber Termination Box
Fiber Termination Box (FTB) also called fiber optic terminal box, is a box which used in the terminal of the fiber optic cable laying to protect the fiber optic cable and for fusion splice of pigtails. FTB stands for fiber terminal box, mainly used for indoor fiber optic cable straight through connection and branch connection and cable terminal fixed, pigtails tray storage and provide mechanical and environmental protection for the fiber and its components, and it also allow for proper inspection to maintain the highest standards of fiber management. It is widely used in municipal and rural telephone network systems, data and image transmission systems, CATV cable TV series, FTTX, FTTB, etc
Cable termination boxes are mainly divided into the following categories: one is the fiber optic panel 86 type, the size is 86*86mm, and the other is a slightly larger size wall box, all for indoor use. We will explain in detail the outdoor use of fibre optic cable termination boxes in the “Fiber Distribution Box (FDB)”.
Fiber optic terminal box as the terminal equipment of fiber optic cable network, should have 5 basic functions as below:
After the fiber optic cable enters the rack, its outer sheath and reinforced core should be mechanically fixed, ground protection parts should be added, end protection treatment should be carried out, and the fiber optic should be grouped and protected.
At user side, can fusion splice the optical fiber cable with pigtails in this socket panel, the excess fiber is coiled and stored, and the fusion splice is protected.
The connector of pigtails are inserted into the adapter to achieve optical docking with the optical connector on the other side of the adapter. The adapter and connector should be able to plug and unplug flexibly; the optical path can be freely deployed and tested.
Provide storage for various cross-connected optical cables between racks, so that they can be placed neatly and regularly. There should be enough space and ways in the fiber terminal box to ease cable wiring, adjustment, and can meet the minimum bending radius requirements.
With the development of fiber optic network, the existing functions of fiber optic terminal box can no longer meet many new requirements. At present, fiber optic network components such as splitter, wavelength division multiplexer and optical switch are directly added to the fiber optic terminal box.
For all details, please download our catalogue for your reference.
Fiber Terminal Box Category
Different customers or different factory will have own way to distinguish, below mainly introduce 3 main ways to distinguish used in Yingda, hope can help customers find the correct box suitable for your project with less time and cost:
By Adapter Type
By Cable Wiring Method
By Fiber Count
According to the fiber counts maximum used, it can be divided into 1core, 2core, 4core, 6core, 8core, 12core, 16core, 24cores etc. Normally fiber count is the same as the quantity of SC adapters, if it is LC adapters, the fiber count will be double. Most popular type is FTB86 box, it is 86*86mm, but internal and external are a little different according to customer requirements, some rosette with rotate plate with sleeve slots, some without. some adapters fix inside of the box, some type fix on the sides of the box, the cable enter from the bottom or sides of the face plate, the panel cover is also differs from each other.
Above models mostly are made of plastic material, but there are also metal type of end user terminal boxes indoor mounting. like cold rolled steel. Below mainly introduce several types of metal fiber terminal box.
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All of Yingda’s products are made of brand new raw materials and all production processes are in accordance with strict execution standards. All products are shipped after 100% inspection and passing. Refuse to inferior quality products and unqualified products to impact the market or damage the interests of customers.
How To Open Terminal Box?
All fiber optic terminal box are closed before delivery, and total enclosed when use to prevent dust. Most of the FTB nap box can be open by hand, some need screw drivers or special lock.
Yingda provides all kinds of package methods for customers, like PP bag or inner cardboard box with foam pack.
Cost effective of freight cost and unit cost, compact size.
Unit cost is higher, heavier weight, but better protection during transportation.
If no sepcial requirements, all FAT box is installed on wall, embedded in wall or desktop. So the standard accessory is Expansion Screws.
However, on side construction installation will need other tools for different application, for example, after fusion splice, will need heat shrink protection tubes to protect the fiber joints, nylon ties to fix the cable in place, buffer tube to protect the bare fiber bundles from broken. Furthermore, there may need sleeve slots if there is no slots while need this function, adapter blocks to prevent dust, etc.
- Fiber count: 1core, 2core, 4core, … etc
- Adapter: SC LC ST FC, UPC APC or PC
- Pigtails: Connector type, fiber length, fiber type, etc
- Print LOGO: where, what and size?
- Accessory: wall mount screws, nylon tie, sleeve, buffer tube, blocks, etc
- Rotate splice tray: yes or not, shape ?
- Pack: plastic bag, cardboard box, etc
Frequently Asked Questions
With more than 10 years fiber optic experience, we help solved many problems with the use, features, applications or price. Below mainly describe popular questions for your reference. Any more questions, pls contact our sales representatives.
What Is Fiber Termination Box？
Fiber optic terminal box as the name suggests is used in the fiber optic terminal access point, used for fusion, termination, storage, or fiber protection. There are many different shapes and capacity according to the usage scenario. Fiber Termination Box can also be called fiber optic splitter box, fiber optic face plate, socket panel, fiber wall socket, fiber optic outlet, which all belong to the category of fiber optic terminal box.
What Tools Do You Need to Terminate Fiber?
Usually, will load with pigtails and adapters in the termination box at factory to save labour cost and freight cost, and the pigtails connectors already inserted into the adapter. There are input and output of the cables to make light go through the box.
How Do You Install A Fiber Termination Box?
Fiber Optic Termiantl Box is widely used in the floors, or office buildings or at home. So it is mostly wall mounted or desktop, The wall mount expansion screws are equipped with the box at factory, the wall mount holes are aleady at the back of the outlet, please drill mounting holes on wall, then fix the outlet, it is easy and fast to finish the installation. No need special tools or manuals. (see dotted line circle)
Can Use Shutter Adapters In FTTH Box?
Yes, Of course. Automatic shutter adapter is mainly used to stop dust from entering the adapter and contaminating the fiber end face, which is more convenient than the normal adapter dust cap and does not need to be removed and put on manually. It has the difference between front shutter adapter and side shutter adapter, SCshutter adapter and LC shutter adapter, single core shutter adapter, duplex shutter adapter, quad shutter adapters, which needs to be decided according to the actual demand and the structure of the box adapter port. Also like normal adapters, it has the difference between with flange and without flanges.
Can Use FC Adapter, ST Adapters?
Normally, fiber optic outlets are SC adapter port, it is rectangular. If use SC adapter, it is the same size as LC duplex adapter, so LC can be used too. If need FC or ST adapters, should use rectangular type.
How Long Of The Fiber Optic Pigtails In Box?
If customer not specify, 1 meter will be enough, if cost limited, can be shorter, longer 1.5meter or 2mter is possible. Due to the small internal size, so the cable will be coiled inside, bend radius is very important to maintain good quality, suggest to use G657A1 or G657A2 fiber instead of G652D.
Do You Have Any Test Reports?
All of our products are made of brand new material, and our products have been tested by SGS environmental protection test report ROHS. To protect the environment, everyone is responsible.
If other test reports are required, we can cooperate with customers to verify within our own company or submit to third-party institutions for inspection. However, the customer must clearly inform the requirement in the order confirmation link. For different requirements, there will be slight differences in the ratio of materials used and the production process of the product. For example, flame retardant test, impact test, drop test, etc.
Laser Print vs Silk Print, What Are The Difference?
What Is The Best Material for FTB Box: PP ABS PC ?
Fiber optic terminal box is mainly used for indoor installation, there are plastic and metal material, at present we mainly analyze the plastic material. In fiber optic industry, plastic mainly has three kinds:PC PP ABS or several kinds of plastic mixed materials.
- Polypropylene =PP
- Acrylonitrile Butadiene Styrene=ABS
ABS vs PC, Which Is Better?
Polycarbonate (PC) is temperature resistant, and somewhat flame retardant/self-extinguishing. Acrylonitrile Butadiene Styrene (ABS) is a blend of three different plastic materials – Acrylonitrile, Butadiene, and Styrene. When comparing, ABS vs Polycarbonate for patterns and colors, polycarbonate always wins. So at present, most fiber termination box indoor is ABS material, PC is mostly used in fiber optic splice closures which used outdoors.
PP vs ABS, Which Is Better?
Some properties of ABS are the same as the PP’s. At the same time, ABS also has some other properties that PP does not have.
ABS is impact resistant, which is better toughness than PP. The temperature resistance of ABS is also better than PP’s. Both ABS and PP have shiny surfaces, and the surface of ABS is shinier than PP’s.
To sum up, because the fiber optic terminal box is used for indoor environment, the requirements are not as high as outdoor. Therefore, the most used is PC + ABS alloy material. This material is better than ABS alone, not so strong as PC. The price of raw materials ABS PC PP tell the truth.
However, with the increasingly competitive market and the serious impact of the epidemic on the world economy, so the cost requirements are getting lower and lower, and currently many customers in the market can only accept the price of ABS material. There are lower requirements market may choose PP material too. But from the life span and possible maintenance comprehensive consideration, Yingda still recommend customers choose ABS + PC material.
Can You Meet UL94V0 Flame Retardant Standards?
It is ok. At present, the indoor face plate is not flame retardant. If customer need, the quotation and the finished product will be made according to the flame retardant standard UL94V0. Please refer to the following link for details: https://en.wikipedia.org/wiki/UL_94
UL 94, the Standard for Safety of Flammability of Plastic Materials for Parts in Devices and Appliances testing, is a plastics flammability standard released by Underwriters Laboratories of the United States. The standard determines the material’s tendency to either extinguish or spread the flame once the specimen has been ignited. UL-94 is now harmonized with IEC 60695-11-10 and 60695-11-20 and ISO 9772 and 9773.
From lowest (Least flame-retardant) to highest (Most flame-retardant):
- HB: slow burning on a horizontal specimen; burning rate < 76 mm/min for thickness < 3 mm or burning stops before 100 mm
- V-2: burning stops within 30 seconds on a vertical specimen; drips of flaming particles are allowed.
- V-1: burning stops within 30 seconds on a vertical specimen; drips of particles allowed as long as they are not inflamed.
- V-0: burning stops within 10 seconds on a vertical specimen; drips of particles allowed as long as they are not inflamed.
- 5VB: burning stops within 60 seconds on a vertical specimen; no drips allowed; plaque specimens may develop a hole.
- 5VA: burning stops within 60 seconds on a vertical specimen; no drips allowed; plaque specimens may not develop a hole.
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