C-1
A
PPENDIX
CSPECIFICATIONS
Interface Specifications
ADSL
Standards Conformance
Basic ADSL:
ANSI T1.413 Issue 2 (full rate ADSL), RADSL,
ITU G.992.1 (G.dmt), ITU G.992.2 (G.lite)
Transport Protocols:
PPP/ATM (RFC 2364),
Bridged and Router IP/ATM (RFC 1483),
Classical IP/ATM (RFC 1577),
Native ATM,
PPP/Ethernet (RFC 2516)
ATM Attr ibutes:
8 ATM PVCs, ATM SAR/AAL5, UNI3.1 signalling
Traffic shaping (UBR, CBR)
Service Type
Full rate Discrete Multi-Tone ADSL (G.dmt), and
Splitterless ADSL (G.lite)
Data Rate
G.dmt: 8 Mbps (downstream), 640 Kbps (upstream)
G.lite: 1.5 Mbps (downstream), 512 Kbps (upstream)
Connection Length
Up to 18,000 ft (5.5 km) over 26 Gauge AWG,
Up to 26,000 ft (7.9 km) over 24 Gauge AWG