Patent ID: 8149901

Claim:
An active routing circuit, comprising: a channel switch, comprising: a transceiver having first data line, second data line, drive/receive control line, and receiver select control line, wherein the transceiver in a driver mode is configured to receive data from the first data line and output that data to the second data line, wherein the transceiver in a receiver mode is configured to receive data from the second data line and output that data to the first data line, wherein the transceiver is configured to switch between the driver mode and the receiver mode in response to a signal on the drive/receive control line, and wherein the transceiver in the receiver mode is configured to block data received from second data line in response to a signal on the receiver select control line; and a switch having first contact connected to the first data line, second contact connected to the second data line, and switch control line, wherein the switch is configured to shift between connecting and disconnecting the first contact to/from the second contact in response to a signal on the switch control line.