Carrier Access Access Navigator user manual Configuration

Access Navigator / GR-303 Host with P-Phone

Configuration

Configuration

The Access Navigator / GR-303 Host with P-Phone combines call processing and concentration capabilities of a GR-303 digital loop carrier (DLC) system with the functionality of a miniature 1/0 digital crossconnect switch (DCS). Providing up to 32 DS1 ports (768 DS0s) in one small package, the Access Navigator fits easily into small collocation spaces and phone closets.

￿Hardware configuration: Modular construction with plug-in cards includes built-in circuit and network testing and fuse-less protection (see Figure 4)

￿Software configuration: Operating system is stored in upgradeable flash memory. Configuration and provisioning data are stored in nonvolatile RAM, protected from power interruptions.

Technology Advantages

• Low Cost

• Small Size

• Low Power

• Surge Protection

• Test Integratino

• Fault Isolation

• No Fans

Quad T1 Framer Card Features

Controller Card Features

• Power and control

circuit redundancy

• GR-303 call support

• Ethernet Telnet and SNMP

•Four T1 circuits per card

•Up to 8 cards (32 T1s)

•1/0 cross-connections

•Groom and fill T1s

•Fuseless high-voltage protection

•Built-in T1 CSU

•Hot swappable

Front

Controller	Controller
Card	Card

Rear

remote management

• Built-in circuit and network

testing

Lightning	Power Line
Hazards	Hazards

RS232	Ethernet	Redundant	T1 Interface
Management	Management	Power Input	Cables

Figure 4-8. Access Navigator Hardware Configuration

4-10 August 2003 Access Navigator - Release 1.8