Engage Communication IP Tube E2 Duo, User Manual

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IP
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Duo Engage Communication Inc.
6 Troubleshooting
Communication and Network systems are subject to problems from a variety of sources. Fortunately,
an organized troubleshooting approach usually leads to the area of the problem in short order. It is
essential to distinguish between problems caused by the LAN (network system), the WAN equipment
(communication equipment) and IP
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Duoconfiguration.
This troubleshooting section is structured with symptoms in the order the user might encounter
them.
6.1 Unable to Communicate with IP
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Duo
Installations first require communication with the IP
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Duo through console access or from
the network, usually the same network as IP
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Duo itself. Proceed through the following
symptoms if you are unable to communicate with the local IP
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Duo using SSH, Ping, etc.
IP Addressing should be double checked if accessing the unit via the network.
6.2 Ethernet/General
Cause: Network Cabling is faulty
Solution: Verify cabling is good by swapping IP
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Duo cabling with a known good cable and
connection. Check the status LEDs on the 10/100/1000BaseT switch to confirm a good connection.
If necessary, create a stand-alone LAN with just the workstation and IP
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Duo.
6.3 High Ethernet Error Count
Cause: Bad cabling or building wiring
Solution: Check all cabling. Swap to known good port on 10/100/1000BaseT switch or hub to
troubleshoot, (testing with large Ping Packets to ascertain quality of Ethernet Connection). To
eliminate issues with building wiring connect IP
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Duo with a known good Ethernet cable
in the same room as the Ethernet hub.
6.4 Can’t Communicate using SSH with the IP
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Duo
Cause: IP address is not set properly on the IP
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Duo
Solution: The Console Port (using cable included with the product) provides direct access to the
command line interface of IP
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Duo. The Console port utilizes the CLI, detailed in Command
Line Interface . Here the IP address can be double checked for accuracy.
Cause: Workstation not on the same subnet as the IP
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Duo
Solution: During an initial configuration of an IP
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Duo, communication should come from
within the same net/subnet. With no default router, IP
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Duowill not be able to reply to
communication off its own subnet.
Cause: IP stack on the workstation not configured
Solution: Ensure that other devices on the same LAN can be pinged, or otherwise ’seen’.
6 TROUBLESHOOTING Page 18