... as cabling among the cross-connecting boxes2. Support:10BASE-T, 100BASE-TX (Fast Ethernet), 4/16Mbps token-ring (IEEE802.5), ATM52 ... PVC.4. Features:Transmission frequency is 100MHZ, support 10BASE-T, 100BASE-TX, 4/16Mbps(IEEE802.5), ATM52/155Mbps.5. Standard:Industry ...