Click Fraud
Dec
21
2020
Why you can not use APC connectors with UPC type equipment?
When picking fiber, you are often faced with two options - UPC or APC connector. Is there any difference between them? Can you use either in your project? &nb
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Dec
17
2018
LECs, POPs and IXCs
In 1984, the Bell System in the USA was broken up in order to introduce competition for data services and long-distance phone calls. In this model, the long-distance networks and the access network we
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Aug
24
2018
Difference between PABX, PBX and Centrex
PABX trunks
Traditional PBX and Centrex     Traditional Centrex and PBX are systems developed and installed before
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Aug
20
2018
Difference between PBX and PABX
After publishing of our article about Demarcation Points, which briefly discussed also concept about PBX, and this scheme below, one of our
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Aug
20
2018
Structure of Telephone Network: Access Network | Switching Network | Transmission Network
Telephone networks are traditionally described as consisting of three parts: access, switching and transmission, also known as the access network, switching netwo
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