Troubleshooting309978-D Rev 01 4-9If the problem persists:1. Disable the autonegotiation feature at the connected station.2. Manually set the speed/duplex mode of the connected station to the samespeed/duplex mode you have manually set for the BayStack 450 switchport.Port InterfaceEnsure that the devices are connected using the appropriate crossover orstraight-through cable (see Appendix F, “Connectors and Pin Assignments”).Software Download Error CodesTable 4-3 describes error codes that are associated with the software downloadprocess. The error codes appear only on the console screen of the switch that isconnected to your TFTP load host during the software download process.If an error code appears during the download process, perform the appropriatecorrective action provided in Table 4-3. If the suggested corrective action does notresolve the problem, contact your Nortel Networks Technical Solutions Center(see “How to Get Help” in the Preface section of this guide).Note: Nortel Networks recommends that you manually set the BayStack 450switch port to the desired speed/duplex mode when connecting to any of thefollowing Nortel Networks products:• Nortel Networks 28000 product family• Nortel Networks 58000 product family• BayStack Model 302T switch (100 Mb/s port)
