POTS Overview | Teleinf Edu
Analog telephone service, local-loop construction, line-card functions, and transmission parameters.
6 min
Subscriber Loop
Access-loop architectures, copper last-mile systems, and DSL deployment structure.
Articles: 10
Articles in this category
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Subscriber Line Interfaces | Teleinf Edu
Interfaces and functions at the exchange (SLIC) and customer premises.
2 min
Analog Signaling | Teleinf Edu
Line states, pulse dialing, DTMF, alerting, call-progress tones, and release.
7 min
Line Characteristics | Teleinf Edu
Electrical properties of the copper pair: resistance, capacitance, and impedance.
2 min
DSL Overview | Teleinf Edu
DSL spectrum, DMT, xDSL variants, and copper-loop constraints.
2 min
DSL Architecture | Teleinf Edu
DSLAM, ATU-C and ATU-R, splitters, filters, and customer premises equipment.
2 min
ADSL (Asymmetric DSL) | Teleinf Edu
Asymmetric Digital Subscriber Line: principles, frequency bands, and performance.
2 min
ADSL2/2+ | Teleinf Edu
ADSL2 and ADSL2+ bands, profiles, negotiation, and line-rate limits.
2 min
VDSL/VDSL2 | Teleinf Edu
Very-high-bit-rate Digital Subscriber Line for faster speeds over shorter distances.
2 min
SDSL & HDSL | Teleinf Edu
Symmetric and High-bit-rate DSL variants for business applications.
2 min