TDDF series digital distribution frame capacity from 130 to 480, good compatible with Siemens, AT&T, FUSHI, and NEC equipment
TDDF Series digital distribution frame is applicable by various large-capacity program controlled switching systems, it is used to connect inside and outside cables, and suitable for large and small-capacity program controlled telephone exchanges.
Main Features:
- Steel or aluminum frame, beautiful appearance
- Building-block structure, convenient combination of box and frame
- Module offer superior connection and easy operation
- Module can rotate 90 degree, easy to connect cable
- Reliable earthing protection
- Different module impedance available (75Ω, 120Ω)
- Compatible with Siemens, AT&T, FUSHI, NEC equipment
Technical data
1.Ambient:
- Operating temperature: -5 ~ +40degC
- Relative humidity: ≤85% (@30degC)
2.Coaxial splice:
- Performance impedance: 75Ω(non-balance)
- Transmission impedance: 2Mb/s, 8Mb/s, 34Mb/s, 140Mb/s and 155Mb/s
- Contact resistance of coaxial splice: Out-conductor≤2.5 mΩ (pressing); inner-conductor ≤10 mΩ (welding)
- Insulation resistance: >1000MΩ @ 500V(DC)
- Voltage proof: 1000VAC/50Hz for 1 minute
- Cross-talk ratio: ≥70dB @ 50KHz-210MHz
- Insertion loss: ≤0.3dB @ 50KHz-210MHz
- Return loss: ≥18dB @ 50KHz-210MHz
- Pulling-out force: ≥50N
- Connector reliability: ≥1000 times
- Materials: Brass and/or Beryllium Bronze
- Gold-plated: ≥2um
3.Frame
- Height: 2000mm, 2200mm, 2600mm
- Material: Aluminium profile
- Cable access: Top or bottom
- Operation: front
- Color: International Gray
- Earthing: bus bar
Product Series:
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TDDF-1016S
(1) Module Uni
(2) Overview of Module Rotated 90degree
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(1) Adjusting Wire Rope
(2) Test Rope
(3) Coaxial Cable Socket
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>> For more information, please contact us at: sales@powtech-cn.com |
