Hot Sale 100 Pair indoor distribution box telecom telephone distribution box 50 pairs

The Boxes shall be used as a distribution point between underground cables or aerial cables and the Subscriber installation cables /drop wires for indoor and outdoor application, and installed on poles or wall.
The CDB shall consist of two main parts: 

1.1 The CDB housing. 

1.2 The cable terminal blocks (CTB). 

The accessories for the CDS should be submitted. 

The CDB should comply with the capacity of 30 and 50 pairs. 

2. The CDB Housing Construction: 

2.1 The box housing shall be made of glass fiber reinforced polycarbonate plastic materials ensure:

2.1.1 Effective protection of the cable terminals against unauthorized interference. 

2.1.2 High degree of flame resistance.

2.1.3 Suitable for the any weather condition. 

2.2 The housing shall be mounted vertically on walls or wooden pools, fixation materials shall be supplied with each box.

2.3 A full size and preferably not detachable cover shall be provided, the cover shall be hinged to the housing and secured to the box by hinges .it shall be fitted with rubber stripe along its inner edge in order to become dust-proof when closed.

2.4 In the bottom of the housing, inlets/outlets for secondary cables and subscriber cable/drop wires shall be provided .Appropriate sealing gaskets and retention clamps shall be available for secondary cables and subscriber cables/drop wires.

2.5 A metallic sheath clip shall be provided inside the housing in order to provide mechanical support of the inlets cables as electrical earthing of its metallic shield.

2.6 All metallic parts used in the box shall be of galvanized steel. 

2.7 The lock of the CDB should be strong, durable for long life time and heavy duty. 

3. The CTB Construction:
3 1 The body of the wire terminal shall be of a plastic material with high insulation properties (>50 G ohms).

3.2 The wire terminals shall be of screw type connection system (front side).

3.3 The cable side of the terminals (back side) shall be of the soldering tag type.

3.4 The wire terminals shall ensure good and durable contact.

3.5 The terminals shall be suitable to connect 0,5 mm installation wires as well as 1.0mm drop wires.

3.6 Different construction of CTB will be acceptable, 'if the tenderer provides evidence of this being of advantages for ST