4
D20 chassis layouts .....................................................................................................33
Installation steps ..........................................................................................................35
Grounding the D20MX .................................................................................................39
Unpacking the D20MX .................................................................................................39
Package contents ..........................................................................................................................................40
Cabling overview ..........................................................................................................41
D20MX front panel connectors ...............................................................................................................41
General cabling requirements .................................................................................................................43
Serial ...............................................................................................................................43
D.20 Link.........................................................................................................................43
Peripherals ........................................................................................................................................................44
Repeaters...........................................................................................................................................................44
LAN redundancy ...........................................................................................................47
IP addresses ..................................................................................................................47
RS-232.............................................................................................................................50
D20 system redundancy .............................................................................................50
Failover sequence..........................................................................................................................................52
Required components .................................................................................................................................52
Redundancy wiring diagrams..................................................................................................................53
Required for testing .....................................................................................................55
Terminal Emulation.......................................................................................................................................56
SHELL...................................................................................................................................................................56
Power up and test steps..............................................................................................56
Power up the D20MX....................................................................................................57
Code and configuration files ....................................................................................................................58
Further testing.................................................................................................................................................58
Test for redundancy.....................................................................................................58
Introduction to the D20MX software ........................................................................61
D20MX user accounts ..................................................................................................62
Factory default user account ..................................................................................................................63
System default user account ...................................................................................................................63
GENERAL
TABLE OF CONTENTS
D20MX INSTRUCTION MANUAL