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Chapter 1. About the Vanguard 342
Vanguard 342 Description ............................................................................ 1-2
Features and Functionality ........................................................................... 1-3
Target Applications ....................................................................................... 1-5
Virtual Private Network ........................................................................... 1-6
Cost-effective VPN Solutions............................................................... 1-7
Hardware-based Encryption and Compression..................................... 1-7
Standard-based Tunneling and Encryption for IP Traffic..................... 1-8
Multi-protocol Tunneling and Encryption ............................................ 1-8
Frame Relay and X.25 Encryption ....................................................... 1-9
IP and Serial Protocols over Frame Relay ............................................... 1-10
Video and Serial Protocols over Public or Private Networks .................. 1-11
Branch Office to Central Office over Public or Private Networks ........... 1-12
SOHO and Branch Office to Central Office over ISDN .......................... 1-14
DSL/Cable Modem .................................................................................. 1-16
G.SHDSL Daughtercard ........................................................................... 1-17
LAN Segmentation ................................................................................... 1-18
Virtual LAN (VLAN) ............................................................................... 1-19
Clocking Limitations Vanguard 342 ............................................................. 1-20
Chapter 2. Hardware Description
Enclosure ...................................................................................................... 2-2
Motherboard ................................................................................................. 2-4
Vanguard Daughtercards .............................................................................. 2-7
Chapter 3. Installation and Replacement
Checking Your Shipment Contents .............................................................. 3-2
Installing The Vanguard 342 ........................................................................ 3-3
Selecting and Preparing the Installation Site ........................................... 3-4
Installing Your Vanguard 342 ................................................................... 3-6
Thermal Considerations ........................................................................... 3-7
Configuring the Serial Interface ................................................................... 3-8
Setting the Interface Type ........................................................................ 3-9
Setting the Interface Options .................................................................... 3-10
Cabling the Vanguard 342 ............................................................................ 3-12