fiber optical closure 24/48 core, 3M

The 3M Fiber Optic Splice Closure 2178 family has earned its reputation for reliable protection of fiber optic facilities. Now, the 2178 family includes new models and configurations for more flexibility to meet the complex needs of todays fiber optic network.
All 2178 closures are made of a tough chemical-resistant material and have a new gasket seal making them ideal for a wide variety of applications. they feature tough, rigid non-filled closures, tested under real-world condistions, that stand up to moisture, vibration and extreme temperatures.

fiber optical closure 24/48 core, 3M

Intended to meet the needs of anyone using fiber optic splice closures in the long
haul, metro, local access (xDSL, HFC, wireless backhaul) and FTTx feeder/distribution
networks. Designed for butt, single or ribbon fiber applications. Requires no special tools, which reduces tooling costs and allows for ease of installation
and re-entry into the closure. Features a fixed O-ring sealing system along with an innovative latching mechanism. This combination provides for simple, virtually error-free closure sealing and re-entry. Utilizes the External Cable Assembly Module (ECAM) built-in cable entry port system, which
allows true plug-and-play capability. This reduces installation and labor costs because the
cable preparation and installation are completed outside of the closure body, and allows the
tech to add/remove cables from the closure without breaking the cable seals of previously
installed cables.

Specification

2178 CD-S and 2178-CD share the similar design and differ in dimensions
Model
2178-CD
2178-CDS
Dimensions
(length*diameter)
510*180mm
480*150mm
Cable Entry ports and applicable cable diameter
Round ports: 5 10~20mm
Oval port:1 10~25mm
Round ports: 4 10~20mm
Oval port:1 10~25mm
Housing material
PP
PP
Housing sealing method
a fixed O-ring sealing system along with latching mechanism.
a fixed O-ring sealing system along with latching mechanism.
Cable sealing method
Fiber Tube Transition Tubing
Fiber Tube Transition Tubing
Splice trays
2533 or 2512-A
2533 or 2512-A
Splice Capacity
(maximum)
2533 *6
2512-A * 6
2533 *2
2512-A * 6

Application

1. Working Temperature: -40 degrees centigrade~+70 degrees centigrade
2. Atmospheric Pressure: 70~150Kpa
3. Axial Tension: >2000N/1min
4. Stretching Resistance: 2500N/10 square centimetre(1min)
5. Insulation resistance: >2*104MΩ
6. Voltage Strength: 15KV/1min, no arcover or breakdown
7. Pressure in the water: 50m/72hours
8. Splice tray with optical taking-in radius>40mm. Low optical loss

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