Carrier Access Access Navigator user manual Functions, Services, Facilities, Management

Access Navigator / DCS Service Manager

Features and Benefits

Features and Benefits

Functions

The Access Navigator / DCS Service Manager is a transport element that combines the functions of a 32-port T1 digital crossconnect system, T1 channel/data service unit (CSU), T1 diagnostic test equipment, and Access Bank® II host controller into a modular chassis 1½ rack units high (see Figure 2-2). Ethernet SNMP, optional redundancy, and modular T1 expansion provide carrier-class service protection and management at either carrier or customer located T1 service access points.

Services

The Access Navigator provides all the grooming and filling functions of a 1/0 digital crossconnect system to maximize T1 usage. With carrier/customer demarcation testing, carriers are able to decrease maintenance costs and labor, while increasing service availability. Fractional voice and data services from multiple customers and applications are combined by the Access Navigator to save recurring backhaul transmission costs, and capital costs on switch or router ports.

Facilities

With both NEBS and customer premise certifications, the Access Navigator can be located in carrier racks or on customer walls. Space, power, and installation labor are dramatically reduced in comparison to old generation digital crossconnect and CSU or NIU shelves. Additional Quad T1 Framer cards can be installed while the Access Navigator is in service to provide from 4 to 32 DS1/CSU connection ports. TFTP and Xmodem utilities permit software updates to redundant systems without affecting service.

Management

Access Navigators provide management access via Ethernet SNMP, Telnet CLI, and RS-232 CLI (see Figure 2-3). Valet™ and NetworkValet™ EMS software provides a graphical user interface (GUI) for SNMP management. Flow-through provisioning of the remote Access Bank II and testing control over T1 connections reduce truck rolls and monitors voice and data service availability at customer locations.

2-4 August 2003 Access Navigator - Release 1.8