Single Loose Tube ,LSZH Jacket

  

1.1 Application

This specification covers the general requirements for fiber optic telecommunication cables used for indoor and outdoor aerial, duct. The temperature at install is 0~ +60and at storage, operate is -20℃  ~ +60.

 

1.2 Cable Design

Single mode or multi-mode color coded fibers, central tube, the interstices between the optical fibers filled with a suitable waterproof compound. The filling compound is non-hygroscopic, electrically non conductive, homogeneous and free from any metallic or foreign particles, water-blocking tape. additional Strength member and LSZH jacket.

 

2.      OPTICAL FIBER

 

2.1  Single mode fiber

Basically, Optical fiber in conformity with ITU-Recommendation G.652 shall be used.

 

 

Table 1 CONSTRUCTION AND GEOMETRICAL PARAMETERS OF OPTICAL FIBER


Table 2. FIBER COLOR IDENTIFICATION


2.1  Multi-mode Fiber

Basically, Optical fiber in conformity with ITU-Recommendation G.651 shall be used.

 

Table 3 Characteristic of multi-mode


TABLE 4 CONSTRUCTION AND GEOMETRLCAL PARAMETERS OF CABLE

 


3.IDENTIFITION

Following details shall be printed indelibly on the outer sheath at interval of not more than 1m with durable white ink.

(1) cable type and fiber number

(2) Name of the manufacturer

(3) Year of manufacture

(4) Length marking


 

 4.PHYSICAL / MECHANICAL / ENVIRONMENTAL   PERFORMANCE AND TEST

 

The mechanical and environmental performance of the cable shall be in accordance with Table 5 below. Unless otherwise specified, all attenuation measurements required in this section shall be performed at 1550nm.

 

Table Mechanical and environmental Performance of the Cable



 

5.      PACKING

5.1   After completion of the tests, both ends of cable shall be sealed with suitable end caps in order to prevent the entry of moisture

5.2   Wooden drum shall be used, The barrel diameter shall be  (cable diameter ×20)

5.3   The clearance between outer layer of cable would on a drum and battens shall be ≧50mm

5.4   Packing length: as customer request

5.5   Following details shall be printed on both outer side of the reel flange:

Cable type

Drum number

*Cable length

*Gross weight and net weight

*Year of manufacture