Product Details
Digital Distribution Frame with 120 Ohm Impedance for Digital
Signals Transfer MDF Main Distribution Frame
The digital distribution frame (DDF) is a wiring connection device
between digital multiplexing devices, digital multiplexing devices,
and program-controlled devices or non-voice services. There are 75Ω
unbalanced and 120Ω balanced distribution frames. This file is for
120Ω
Feature and benefit
Main technical parameters
1 Environmental requirements
1.1 Conditions of use
Working temperature: +5 ℃ ~ +40℃
Relative humidity: no more than 85% (at +30℃)
Atmospheric pressure: 70kPa ~ 106kPa
1.2 Storage temperature: -40℃~ +55 ℃
2 Appearance and structure
3 Electrical performance
3.1 Working rate: 2Mbit/s
3.2 Characteristic impedance: 120Ω (nominal value)
3.3 Insulation resistance: The insulation resistance between the
two terminals of the balanced connector and between any terminal
and the casing or fixture shall not be less than that specified in
Table 1. The DC voltage of the measuring circuit is 500V ± 50V.
Company Profile
Over 30 Years of Experience
Cixi Anshi Communication Equipment has been specializing in jacks
and connectors since 1986. We offer you more than 200
specifications in 10 categories, including fiber-optic distribution
trays and splice closures, drop wire connectors, Cat5E and Cat6E
patch cables, internet connectors, and distribution boxes. About
60% of our products are exported to Southeast Asia, Europe, the
Middle East, Africa and the US.
One New Product Every Month
Our six R&D staff members use advanced testing equipment from
the US. They use computer software such as AutoCAD, Pro/E, 3D MAX
and Photoshop. They also develop one new product every month to
meet your requirements.
OEM/ODM Orders Accepted
Now, we have more than 100 staff members and 20 of them are
technicians at our 4,800 sqm factory. We have two production lines
dedicated to processing your OEM/ODM orders, thus, we produce
$200,000 worth of components every month.
Three Sections to Control Quality
Following ISO 9001:2000 guidelines, our quality control department
includes QC, QE and QA sections. QA staff members check the quality
of all raw and processed materials, while QE personnel are
responsible for the related documents. QC staff members handle your
requests and quality statistics, and make the corresponding
improvements. We use materials from South Korea, the US and Taiwan
to ensure quality. You can have confidence in ordering our
CE-approved products.
Contact Us Today
Call us today for more information.