A demarc extension is the process of connecting your organizationâs network to a data lineâsuch as a T1, DSL, or POTSâprovided by the telephone company or another vendor.
Legacy system. In computing, a legacy system is an old method, technology, computer system, or application program, of, relating to, or being a previous or outdated computer system.. Often a pejorative term, referencing a system as legacy means that it paved the way for the standards that would follow it.
Active DAS simply means the components require a power source to operate. an active system utilizes fiber optic cables to connect with remote nodes. Passive DAS systems donât need fiber optic cables in general and consist of simple BDAs (Bi-Directional Amplifier). An example of a passive component used in a DAS system would be a diplexer. It doesnât require power. The signal just runs through it, much like water runs through a pipe. DAS installations consisting of only passive components are rare.