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72 CHAPTER 8: FLEXIBLE INTERFACE CARDS
Interface Cable The external interface provided by 1-port Channelized E3 FIC is two SMB sockets
respectively for Tx (Transmit end) and Rx (Receive end). The interface adopts the
75ohm unbalanced transmission mode and uses a pair of 75-ohm unbalanced
coaxial cables to connect the peer device.
Figure 14 E3/T3 cable
ACT
OFF means no data is being transceived on the interface and blinking
means data is being transceived.
BNC c onnector SMB connectorBNC c onnector SMB connector