Comtrol Hub DeviceMaster - Manual (Page 149)

DeviceMaster Installation and Configuration Guide: 2000594 Rev. A Troubleshooting and Technical Support - 149
Troubleshooting and Technical Support
This section contains troubleshooting information for your DeviceMaster. You may
want to review the following subsections before calling Technical Support because
they will request that you perform many of the procedures or verifications before
they will be able to help you diagnose a problem.
• Troubleshooting Checklist on Page 149
• General Troubleshooting on Page 150
• Testing Ports Using Port Monitor (PMon2) on Page 153
• Testing Ports Using Test Terminal on Page 156
• Socket Mode Serial Port Testing on Page 162
• Daisy-Chaining DeviceMaster 2E/4/8/16-Port Units on Page 168
• DeviceMaster LEDs on Page 169
• Removing DeviceMaster Security Features on Page 171
• Returning the DeviceMaster to Factory Defaults on Page 173
If you cannot diagnose the problem, you can contact Technical Support on Page
177.
Troubleshooting Checklist
The following checklist may help you diagnose your problem:
• Verify that you are using the correct types of cables on the correct connectors
and that all cables are connected securely.
Note:Most customer problems reported to Comtrol Technical Support
are eventually traced to cabling or network problems.
Model Connected to
Ethernet
Cable
Connector Name
1-Port Ethernet hub or NIC Standard 10/100 ETHERNET
1-Port Embedded Ethernet hub or NIC Standard RJ45 port (not labeled)
2-Port - 1E (Single
Ethernet Port)
Ethernet hub or NIC Standard 10/100
2-Port - 2E (Dual
Ethernet Ports)
Ethernet hub or NIC Standard 10/100 - E1/E2
4/8-Port
NIC Standard DOWN
Ethernet hub Standard UP
16-Port (external
power supply)
NIC Standard DOWN
Ethernet hub Standard UP
16/32-Port (internal
power supply)
Ethernet hub or NIC Standard 10/100 NETWORK