ZyXEL Communications Corporation VSG1435B101 Manual De Usuario

Chapter 35 Product Specifications

VSG1435-B101 Series User’s Guide

VDSL Standards

ITU-T G.993.1 VDSL Annex A (North American) Standard

ITU G.993.2 (2/06) VDSL2 Annex A (North American) Standard

• Corrigendum 1 (12/06) + Amendment 1 (4/07) + Amendment 

1 Corrigendum 1 (7/07) 

• Corrigendum 2 (7/07) + Amendment 2 (2/08) + Amendment 4 

(1/09)

Supported band plans:

• Plan 997 (symmetrical)
• Plan 998 (asymmetrical)

Supported profiles: 8a, 8b, 8c, 8d, 12a, 12b, 17a

POTS overlay, Supported US0 types: A (normal US0), M (extended 
US0), - (no US0)

ITU G.994.1 (2/07) (G.hs) Handshake

Amendment 1 (11/07) + Amendment 2 (4/08)

Supported Transport Protocol Specific Transmission Convergence 
(TPS-TC) functions:

PTM (via 64/65b encapsulation method defined in IEEE 

802.3ah-2004)

HDLC encapsulation for pre-VDSL2 standard interoperability

Impulse Noise Protection (INP) up to 16 symbols

SNR target met, delay maximized: The maximum allowable delay 
will be 16 ms for down and 16ms for up.

Support for ITU-T G.INP

Dying Gasp support

Modulation: Multi-Carrier-Modulation (MCM)

Interleaving: General Convolution

Support of maximum SNRM configuration (directed by the central 
office)

Seamless Rate Adaptation (SRA) as described in Amendment 1 of 
G.993.2

Tone Spacing: 4.3KHz/8.6KHz

Table 113   Firmware Specifications  (continued)