Carrier Access Access Navigator - Manual (Page 50)

3-2 August 2003 Access Navigator - Release 1.8
Access Navigator / GR-303 + Data Host
Overview
Overview
The Access Navigator® / GR-303 + Data Host offers a highly integrated solution for combining multi-line
local voice and data services on customer T1 access lines. Using the Telcordia® standard GR-303 switching
protocol, up to 672 customer telephone channels can be assigned on a call-by-call basis to Class 5 local
digital switch T1 connections. In addition to the concentration and management of CLASS® voice services,
the Access Navigator grooms, and optionally concentrates, fractional T1 data connections from customer
locations
.
Figure 3-1 Access Navigator / GR-303 + Data Host