Vanguard 3000 Series Multicarrier Cellular Data Modem & IP Router PN 134732-VG3000 Rev. D| Page v
5
IPsec and VPN Pass-Through Deployment Guide ......................................................................... 89
5.1
Benefits of IPsec ................................................................................................................................................... 89
5.2
Configuration Summary ....................................................................................................................................... 89
5.2.1
Case #1: Vanguard Configured IPsec Client ................................................................................................ 90
5.2.2
Case #2 Vanguard Configured to use a DMZ for VPN Pass-Through .......................................................... 94
6
User I/O Port ................................................................................................................................. 95
6.1
Electrical Characteristics ...................................................................................................................................... 96
6.2
Input Circuit for Analog Inputs ............................................................................................................................. 97
6.3
Simplified Circuit for Digital Input ........................................................................................................................ 97
6.4
Simplified Circuit for Open Collecter Outputs ...................................................................................................... 97
APPENDIX A
— Abbreviations and Definitions ............................................................................. 98
APPENDIX B
— Mechanical Specifications ..................................................................................... 100
APPENDIX C
— UL Installation Instructions ................................................................................... 104
APPENDIX D
— NMEA I/O Agent ................................................................................................ 106
6.5
Specifications ..................................................................................................................................................... 106
6.6
PDU Types .......................................................................................................................................................... 109
APPENDIX E
Service and Support And Warranty Statement ......................................................... 112
6.7
Warranty Statement .......................................................................................................................................... 114