xDSL = HDSL, ADSL, SDSL or VDSL

Cross

Connect

Cross

Connect

ADSL

Circuits

ADSL

ADSL

ADSL

ADSL

ADSL

ADSL

ADSL

ADSL

ADSL

ADSL

Optical fiber

Copper Pair

6 km - 6 Mb/s

Copper pair

4 km - 9 Mb/s

Plain Old Telephone Services

ISDN

Broadband

Previous slide

Next slide

Back to first slide

View graphic version