Comtrol Hub DeviceMaster - Manual (Page 7)

DeviceMaster Installation and Configuration Guide: 2000594 Rev. A Table of Contents - vii
Table of Contents
Troubleshooting and Technical Support......................................................................149
Troubleshooting Checklist ..................................................................................................................... 149
General Troubleshooting......................................................................................................................... 150
Testing Ports Using Port Monitor (PMon2) ........................................................................................ 153
Overview ................................................................................................................................................. 153
Testing Comtrol COM Ports................................................................................................................... 153
Testing Ports Using Test Terminal ....................................................................................................... 156
Overview ................................................................................................................................................. 156
Opening Ports ......................................................................................................................................... 157
Sending and Receiving Test Data (RS-232/422/485: 4-Wire) ............................................................... 158
Loopback Test (RS-232).......................................................................................................................... 158
Sending and Receiving Data (RS-485: 2-Wire) ..................................................................................... 159
Socket Mode Serial Port Testing ........................................................................................................... 162
Daisy-Chaining DeviceMaster 2E/4/8/16-Port Units .......................................................................... 168
DeviceMaster LEDs ................................................................................................................................... 169
TX/RX LEDs............................................................................................................................................ 169
Network and Device LEDs ..................................................................................................................... 169
Removing DeviceMaster Security Features........................................................................................ 171
Serial Connection Method ...................................................................................................................... 171
Returning the DeviceMaster to Factory Defaults.............................................................................. 173
Clearing the Flash .................................................................................................................................. 174
Clearing EEPROM.................................................................................................................................. 174
Telnet Access .................................................................................................................................... 174
Serial Port Access ............................................................................................................................. 175
Web Server Access............................................................................................................................ 175
Technical Support ..................................................................................................................................... 177