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Optical fibre cables for general applications

Description

Communication optical cables are produced according technical conditions TU 3587-023-24118545-2012 and intended for use in unified telecommunication network of Russian Federation.

Depending of type and performance, the cables can be deployed:

- underground including mechanized way;
- on river crossings, deep water reservoirs, in swamps;
- on bridges, overpasses in cable conduits, in blocks, in special tubes;
- on aerial lines, aerial contact lines of railway, on power poles;
- inside of buildings on walls in vertical and horizontal cable ways, in tunnels and collectors, in subway tunnels.

Dependingconditionsofinstallation, the cables are operated by temperatures:

- suspended cables - from -60 up to +70 ;
- cables installed on bridges, overpasses - from -50 up to +50 ;
- underground and subsea cables - from -40 up to +50 .

The cables of each type produced with different type and number of a cores and optical fibres.
A standard notation of a special type of the cable contains twelve positions which can be completed by other two (13 and 14).

A structure of notation of the cable should have:



ʠ


̠
4
241
20,35
10/0,4

positions1
234
56
78
910
11/12
13
14


Specifications

Table 1- Explanation of positions

Position

Property

Possible meaning

Explanation

1

Cable type

Optical cable

2

Type of installation

- aerial

- underground, on bridges and overpasses

- underwater, in soil with freezing deformations

3

Type of inner sheath

- polyethylene

- aluminium-polyethylene

4

Type of reinforcing element

-

- without additional outside covers

- with corrugated steel tape

- with armour of steel wires

- with armour of steel plastic bars

- with reinforcing elements of high-modulus yarn

- with reinforcing elements based on glass fibres

5

Type of core

- module with dielectric central reinforcing element

- tube (centralopticalmodule)

6

Number of optical modules in core, pc.

1-12

1

- core of module design

- core with central optical module

7

Number of optical fibres in cable, pc.

1-576

1-48

- for cables with core of modular design

- for cables with core and central optical module

8

Fibre type

1

2

3

4

5

6

1

2

- single mode with not shifted dispersion

- single mode with minimized losses

- single mode with additional transparency window

- single mode with shifted dispersion

- single mode with non zero shifted dispersion

- single mode resistant to flexures

- multi-mode with core diameter 50 mm

- multi-mode with diameter of core 62,5 mm

9

Section of current conductor, mm2

0,2-6,0

- section of current conductor 0,15 up to 8,0

10

Static tensile force, kN

1,5-5,0

7,0-50,0

3,0-50,0

3,0-15,0

7,0-15,0

20,0-60,0

7,0-90,0

35,0-120,0

40,0-200,0

- types --, --, --

- types --, --

- types --

- types--

- types --, --

- types --

- types --, --

- types --

- types --, --, --, --

11

Permissible crashing load, kN/cm

0,4-0,7

0,4-1,0

0,7-1,0

0,7-1,5

1,0-1,5

- types --, --, --, --

- --, --, --,

- --, --, --, --

- --, --, --

- --, --, --

12

Outside sheath

- flame retardant

- outer sheath from thermal resistant polyethylene

- outer sheath of arc-resistant polyethylene

13

Operating temperature range

- for cables operated outdoor, -60 +70




Fig.1 Cable type --
Fig.2 Cable type --
Fig.3 Cable type --

Declarations of conformance from Federal Communication Agency for optical communication cables produced according TU 3587-023-24118545-2012 are received.


Table 2 Main mechanical and climatic characteristics of communication cables

Type of cable

Static tensile force, kN,not less

Crashing loads, kN/100 mm, not less

Impact force, , not less

Maximal operating temperature, º

Declaration of conformity

--

1,5

3,0

5

-60 +70

-3081

--

1,5

3,0

5

-60 +70

-3082

--

3,0

3,0

5

-60 +70

-3083

--

3,0

3,0

5

-60 +70

-3084

--

7,0

7,0

10

-50 +50

-3085

--̠

7,0

7,0

10

-50 +50

-3086

--̠

2,5

4,0

10

-50 +50

-3087

--

20,0

10,0

20

-50 +50

-3088

--̠

20,0

10,0

20

-40 +50

-3089

--̠

7,0

7,0

10

-50 +50

-3090

--

7,0

7,0

10

-50 +50

-3091

--Ҡ

7,0

7,0

10

-50 +50

-3092

--Ҡ

2,5

4,0

10

-50 +50

-3093

--

20,0

10,0

20

-50 +50

-3094

--

20,0

10,0

20

-40 +50

-3095

--

7,0

7,0

10

-50 +50

-3096




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