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Target Applications
Application Matrix This table describes the application types shown in Figure
Application |
| Daughtercard | Application Description |
Type |
| Used |
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Branch access to |
| DSU DIM, FXS/FXO | The Vanguard 342 supports voice, video and data traffic |
Central Office |
| and ISDN | between the branch and central office over private or |
|
| Daughtercards | public network. The FXS/FXO Daughtercard supports |
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| telephones, PBX, and faxes. Connect a telephone or |
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| PABX to one FXS port on the FXS/FXO Daughtercard |
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| and all branch telephones have access to the central office |
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| PBX. This eliminates long distance telephone charges |
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| between the branch and central office. |
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ISDN Backup |
| DSU DIM, FXS/FXO | To provide an alternative path in case of network failure, |
link between |
| and ISDN | you can configure and connect serial ports to an external |
Branch and |
| Daughtercards | analog modem or switch 56K DSU. As Figure |
Central Office |
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| illustrates, you can also configure ISDN for WAN |
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| backup. |
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About the Vanguard 342 |