Vanguard Managed Solutions 7300 Series Large Networking, Solution Using, Multiple Vanguard

Vanguard 7300 Applications

Large Networking	Figure 1-7illustrates multiple Vanguard 7300 devices in very large networks. In
Solution Using	this example, traffic is distributed across a numbers of Vanguard 7300’s for
Multiple Vanguard	load-balancing and redundancy. Network connections are made via multiple T1/E1
7300’s	interfaces.
	The example shows redundant Vanguard 7330s, each connected to multiple
	applications. Note that each Vanguard 7330 has a voice connection to the PBX and
	an Ethernet connection to the host server.

Figure 1-7. Large Network Solution With Redundant Vanguard 7330s

Small-to-MediumFigure 1-8shows an application in which a Vanguard 7300 Series router is used in Alternate Carriers large alternate carriers and small central office (CO) environments. The Vanguard

Voice Gateways 7330 router, equipped with T1/E1/PRI cards with Voice Server PMCs, supports Public Switched Telephone Network (PSTN) voice applications.

Figure 1-8. Small-to-Medium Alternate Carriers Voice Gateways

1-12 About Vanguard 7300