EFFICIENT NETWORKS, INC. ENI-155S-U5-C, ENI-155S-U5-S Card Type Network Interface Card NIC Type ATM Maximum Onboard Memory 512KB (ENI-155S-U5-C) / 2MB (ENI-155S-U5-S) Boot ROM Not available Network Transfer Rate 155Mbps Topology Star Wiring Type Unshielded twisted pair Data Bus SBus [Image] CONNECTIONS Function Label Function Label SBus interface CN1 UTP via RJ-45 CN2 connector connector DIAGNOSTIC LED(S) LED Color Status Condition LED1 Unidentified On SONET/SDH connection is good LED1 Unidentified Off SONET/SDH connection is broken