Telephone Company Solutions

1.

The ADSL (Asymmetric Digital Subscriber Line) by Bell Atlantic:

ADSL Network

2.

Wireless Cable

• Remotely, signals transmitted via satellites at 4 GHz. Regionally, from mountain-top towers at 2.1-2.7 GHz microwave band, with a total of 33 analog 6 MHz channels.
• Itself addresses the bandwidth problem, not interactive

3.

FTTC (Fiber To The Curb)

• Optical fiber to each residential neighborhood, terminating in ONU (Optical Network Unit).
• Each ONU supports up to 16 copper local loops that can run full-duplex T1 or T2 for MPEG-1 and MPEG-2 respectively.

4.

FTTH (Fiber To The Home)

• BERLU (Broadband Enhanced Remote Line Unit) - SONET-based VOD developed by GTE in Cerritos, California
• High capacity broadband switches - multiple of 51.84 Mbps