Outdoor Rack Mount Enclosure Street Cabinets Telecoms For Transmission Switching Station

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1. Specifications

(1) Technical Parameters

(2) Accessories List

2. Features

• The cabinet is dustproof, sunproof and rainproof, which is used in outdoor environment.
• Cabinet cooling: air conditioner. (Other cooling option: heat exchanger and fans). MTBF≥50000h
• The layout of the cabinet is reasonable, which will facilitate cable access, fixing and grounding. There are entrance holes individually for power cable, signal cable and optical cable.
• All the cables, sealing and heat insulation used in the cabinet are made from flame retardant materials.
• The cabinet includes 19” standard installation rack.
• Surface treatment: degreasing, derusting, rustproof phosphating (or galvanizing), powder coated.
• Cabinet load bearing: ≥600kg
• Flame retardance: comply with GB5169.7 test A
• Insulation resistance: the insulation resistance between grounding devices and cabinet body parts is not lower than 2×104M/500V(DC).
• Withstand voltage: the withstand voltage between grounding devices and cabinet body parts is not lower than 3000V(DC)/1min.
• Mechanical strength: each surface can bear upright pressure >980N; after the door is open, its outer end can bear upright pressure >200N.

3. Applications

The DDTE068 Outdoor Telecom Equipment Cabinet is mainly used in wireless communication base station, such as 4G system, communication/network integrated service, access/transmission switching station, emergency communication/transmission, etc.

4. Description

4.1 Cabinet Material

The cabinet is made of galvanized steel, with double walls, thickness of outer plate: 1.5mm, thickness of inner plate: 0.8mm. There are heat insulation between inner wall and outer wall. The insulation material is 20mm PEF, heat insulation coefficient: 0.035W/m·K. The cabinet is assembled type.

4.2 Cabinet Structure

The cabinet includes 19” equipment installation rack. The cabinet includes one air conditioner, installed on front door.

4.3 Cabinet Door and Lock

The cabinet includes one front door. The cabinet door uses embedded structure. The door opening angle is larger than 110°and the door limit device can limit the opening angle. The lock is theftproof three point lock, supporting padlock.

4.3.1 Door lock theft proof design

• Damage resistance of the theft proof lock meets GA/T 73-1994 “Mechanical Anti-theft Lock” class B requirement, supporting padlock.

Three point lock

4.4 Cable Inlet

Feeder cable and other external cables all use bottom wiring method.

4.5 Grounding Protection

• The cabinet includes grounding copper bar with anti-corrosion coating. There are enough screws for wiring connection terminals.
• The metal part of the cabinet should be interconnected and be connected with grounding bar. Connection resistance between any two points is lower than 0.1Ω.
• Protective earthing of other equipments inside the cabinet should be connected to the grounding bar.

4.6 Connection and Fastening

• Use anti-loose threaded connection as structure and bearer connection. Anchor bolt for fixing cabinet use hot dip galvanized bolts.
• Door hinges use inner hinge mode.

4.7 Appearance and Surface Treatment

Cabinet surface coating is outdoor special powder coating, with white gray color (PANTONE 428C). The coating complies with GB/T 3181-2008 requirement.