3Com 6416SW Installation And User Manual

Status: ErrorExplanation: An internal error is detected on the port.Steps to Take:1. Reset the ATM media module using the RESET MODULE command.2. If the problem persists, replace the ATM media module.Status: No ActivityExplanation: No physical layer activity is detected (either there is no cable/fiberattached, or there is no signal on the Receive cable/fiber.Steps to Take:1. See if the port is enabled by entering the SHOW PORT command.2. If the port is not enabled, use the SET PORT command to set the mode parameterto enable. li.If the port is enabled, make sure that the remote device is operationaland that its adapter is securely plugged in.3. Make sure that the fiber/cable is securely plugged on the hub.4. Enter the WRAP command to perform a wrap test.5. If the wrap test result is KO, the problem is associated with the hub.6. For SC-type connectors, check that the receive and transmit cables/fibers are notswapped.7. For SSI ports, make sure that you are using UTP/STP (ATM standard) cables tointerconnect between ONcore/4412SW switches.7-16 ONcore ATM Switch/Control Module: Installation and User's Guide