The J3458A Fast Ethernet LanProbe provides monitoring for 100BaseT-TX and 100BaseT-FX Fast Ethernet in either half-duplex (shared media) or full-duplex (dedicated media) remote monitoring applications. The probe includes the capability to monitor either 10BaseT or 100BaseT and automatically detects which type of segment is being monitored. The standard version of the J3458A includes 32 MB of memory to support RMON2, and may optionally be increased to 64 MB or 128 MB of memory. Option 202 = Four Half-Duplex Ports
