The document describes a network diagram with various components including internet routers, a firewall, backup server, switches, application servers, phones, fax machines connected to the internet and private LAN networks. The diagram also includes an isolation region and recovery center information network.

1. IE/Navigator DDN/FR
Internet Router
Firewall
Internet Router
PSTN
Backup Server
Switch
Application
Server
Application
Server
Phone
Fax
Internet
Isolation region
Recovery Center
Information Center Network
Lan
Lan
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