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4-10 August 2003 Access Navigator - Release 1.8
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.
l Hardware configuration: Modular construction with plug-in cards includes built-in circuit and
network testing and fuse-less protection (see Figure 4)
l Software configuration: Operating system is stored in upgradeable flash memory. Configuration and
provisioning data are stored in nonvolatile RAM, protected from power interruptions.
Figure 4-8. Access Navigator Hardware Configuration
Technology Advantages
• Low Cost
• Small Size
• Low Power
• Surge Protection
• Test Integratino
• Fault Isolation
• No Fans
• 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
• Power and control
circuit redundancy
• GR-303 call support
• Ethernet Telnet and SNMP
remote management
• Built-in circuit and network
testing
Lightning
Hazards
T1 Interface
Cables
Quad T1 Framer Card Features
Controller Card Features
Power Line
Hazards
Ethernet
Management
RS232
Management
Controller
Card
Controller
Card
Redundant
Power Input
Front
Rear