Abstract: A repeater device in a communication network within a transmission line segment receives a distorted signal from the transmission line and retransmits a modified signal. The repeater includes a detector for activating the device in response to the input of the signal and a logic control in order for directing the signal to the modifying portion of the device. To minimize bit error which may occur as the signal is being transmitted over the network or as the signal is being received by the modifying portion of the repeater, the repeater replaces the leading bit of the signal prior to being retransmitted back to the network.