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Appendix E • Installing DVADB
1033295-0001 Revision 2
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Appendix E
Installing DVADB
DVADB features
The DIRECWAY Virtual Private Network (VPN) Automatic Dial
Backup (ADB) (DVADB) feature provides a backup
infrastructure to the DW6002 should the satellite link fail or
degrade below an acceptable threshold.
DVADB automatically switches the DW6002 to a terrestrial
dial-up telephone network with minimal interruption and loss of
customer traffic. DVADB introduces no additional load on the
DW6002 and does not affect any existing DW6002 features, but
will make the DW6002 send and receive traffic at a slower rate.
To use DVADB, the DW6002 via dial-up connection to a global
network of Points of Presence (POPs). Each POP is an access
point to the Internet. The packets are sent from the POP to the
NOC, which in turn forwards them to the destination server.
DVADB pre-installation
The following must be fulfilled before DVADB can be installed:
• The DW6002 must be installed, commissioned, and
functioning before DVADB can be installed.
• The customer must have an analog phone line.
• A telephone splitter and RJ-11 telephone cable is required.