50 port Switch. Monitoring on Speed, Portstatus, Last Changed, In and Out Throughput and number of errors. This is including monitoring of 4 extra upload gigabit module (port 49 to 52). Triggers on Portstatus change. Graphs for IN and OUT throughput per port. Tested with 3Com SuperStack 3 Switch 4500 PWR 50-Port Software Version 3Com OS V3.01.00s56p01.