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TABLE OF CONTENTS
1.0 Warranty Information ................................................................. 5
1.1 FCC Information ........................................................................... 5
1.2 CE Notice...................................................................................... 6
1.3 Service.......................................................................................... 6
2.0 General Information.................................................................... 7
2.1 Product Features .......................................................................... 7
2.2 Software Features ........................................................................ 7
RS-232 Serial Interface ................................................................ 7
PPP/SLIP...................................................................................... 8
IP Forwarding/NAT....................................................................... 9
Raw TCP/TELNET ....................................................................... 9
System Features ........................................................................ 10
User Database............................................................................ 10
Utilities........................................................................................ 10
View (Show) Features ................................................................ 11
2.3 Description.................................................................................. 12
3.0 Configuration ............................................................................ 15
3.1 Configuration Switches............................................................... 15
Default Settings .......................................................................... 16
Detailed Switch Settings............................................................. 16
3.2 Software Configuration ............................................................... 16
Model 2120 Software Command System................................... 17
Model 2120 Help Menu/Command Hierarchy ............................ 17
Entering Commands................................................................... 19
Activating Configuration Commands .......................................... 19
3.3 Default Configuration Parameters .............................................. 20
EIA232 Interface Defaults........................................................... 20
PPP Defaults .............................................................................. 20
RawTCP/Telnet Defaults............................................................ 20
System Defaults ......................................................................... 21
User Database Defaults ............................................................. 21
3.4 Initial Unit Configuration.............................................................. 21
3.5 Remote Configuration of the Unit ............................................... 25
3.6 Sample 2120 Configurations ...................................................... 26
Telnet/TCP Operation................................................................. 26
RawTCP Operation .................................................................... 29
PPP Operation............................................................................ 32
SLIP Operation........................................................................... 35
3.7 User Database............................................................................ 38
User Name ................................................................................. 38
Password.................................................................................... 38
Privilege...................................................................................... 39
Creating Users............................................................................ 39
Deleting All Users....................................................................... 40
Deleting A Single User ............................................................... 40