NetCrossing Gateway NX-2E1/T1 Operator’s Manual
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TABLE OF CONTENTS
1 PRODUCT DESCRIPTION................................................................................................................... 1-1
1.1 OVERVIEW ............................................................................................................................................. 1-1
1.2 FRONT PANEL ........................................................................................................................................ 1-3
1.3 REAR PANEL .......................................................................................................................................... 1-5
2 THEORY OF OPERATION .................................................................................................................. 2-1
2.1 WIDE AREA NETWORK (WAN) ............................................................................................................. 2-1
2.2 LAN PORT ............................................................................................................................................. 2-1
2.3 SERIAL (TDM) PORTS............................................................................................................................ 2-2
2.3.1 Connection Setup.......................................................................................................................... 2-2
2.3.2 Serial Data Encapsulation............................................................................................................ 2-3
2.3.3 Jitter Buffer and Link Latency ...................................................................................................... 2-5
2.3.4 Clock Sources ............................................................................................................................... 2-6
2.4 SYNCHRONIZATION PORT....................................................................................................................... 2-8
3 UNIT CHECKOUT AND FIRMWARE UPGRADES......................................................................... 3-1
3.1 BENCH CHECK OUT ............................................................................................................................... 3-1
3.2 UPGRADING THE FIRMWARE. ................................................................................................................. 3-2
3.2.1 Description ................................................................................................................................... 3-2
3.2.2 Installing new firmware through the Ethernet port ...................................................................... 3-3
3.2.3 Installing new firmware using Telnet ........................................................................................... 3-4
3.2.4 Installing new firmware using the RS-232 serial port .................................................................. 3-5
3.2.5 Feature upgrades.......................................................................................................................... 3-7
4 COMMANDS........................................................................................................................................... 4-1
4.1 CONFIGURATION TECHNIQUES ............................................................................................................... 4-1
4.2 COMMAND SYNTAX................................................................................................................................4-1
4.3 CONFIGURATION MANAGEMENT COMMANDS........................................................................................ 4-3
4.4 MAJOR CONFIGURATION PARAMETERS.................................................................................................. 4-5
4.5 INTERNET PROTOCOL (IP) MANAGEMENT COMMANDS ....................................................................... 4-12
4.6 INSTALLATION AND MONITORING COMMANDS.................................................................................... 4-14
4.7 FILE UTILITIES ..................................................................................................................................... 4-16
4.8 EVENT LOGGING COMMANDS .............................................................................................................. 4-18
4.9 MISCELLANEOUS COMMANDS .............................................................................................................. 4-19
5 NETWORK MANAGEMENT............................................................................................................... 5-1
5.1 TELNET .................................................................................................................................................. 5-1
5.1.1 General......................................................................................................................................... 5-1
5.1.2 Starting a Telnet Session .............................................................................................................. 5-1
5.1.3 Telnet Security .............................................................................................................................. 5-2
5.2 SNMP.................................................................................................................................................... 5-2
5.2.1 Command Line Interface Versus SNMP ....................................................................................... 5-2
5.2.2 What is SNMP?............................................................................................................................. 5-3
5.2.3 Security Considerations in SNMP ................................................................................................ 5-3
5.2.4 Examples of Network Management Systems................................................................................. 5-4
5.2.5 NetCrossing Gateway Management Information Base (MIB)...................................................... 5-4
APPENDIX A – COMMAND SUMMARY .................................................................................................. A-1
APPENDIX B - SPECIFICATIONS...............................................................................................................B-1
APPENDIX C – ETHERNET CONSOLE PROGRAM .............................................................................. C-1
APPENDIX D – QUICK SETUP ................................................................................................................... D-1
