Cabletron Systems THN-MIM Installation Manual
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TESTING AND LANVIEWPage 3-2At least 100 packets should be sent and received with no errors.The packets will be received from and sent back to the LAN-MDacting as the SERVER.When the applicable segment(s) connected to the THN-MIM havesuccessfully completed these tests, the segments are ready for normaloperation. If any failures were noted, please contact Cabletron SystemsTechnical Support.3.3 USING LANVIEWThe THN-MIM uses Cabletron Systems built-in visual diagnostic andstatus monitoring system, LANVIEW. A network troubleshooter canquickly scan the LANVIEW LEDs to observe network status, diagnosenetwork problems and identify which node or segment is faulty.The following discusses the function and the purpose of eachLANVIEW LED on the THN-MIM.NOTE: There is one Port OK (POK) and Receive (RCV) LED for eachport on the module.Port OK (POK) LEDWhen lit, this LED indicates that the port is connected to the network.If the LED is not lit, one of the following conditions exist:a. The occurrence of 33 consecutive collisions on the attachedsegment or the collision detector was on for more than 2.4 ms.,causing the port to be electrically disconnected from the MMACb. The port was turned off by Local Managementc. The port has yet to receive a valid data packet aftersegmentation or upon power up.Receive (RCV) LEDThis LED normally flashes on and off to indicate that the MMAC isrepeating the data packet. The rate at which the LED flashes willincrease as network activity increases. |
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