prbs_tool = PrbsTool(bmc, remote_bmc, reg_access_tool, remote_reg_access_tool, route_name)

            logging.info(f"------slot_list: {slot_list}")

            logging.info("----------step 1: reset retimer")
            prbs_tool.ResetRetimer(exp_id, retimers)
            time.sleep(1)
            logging.info("----------step 2: enable prbs")

            prbs_tool.EnableTxPrbs(exp_id, retimers)

            prbs_tool.prbs_check(exp_id, retimers, True)
            time.sleep(2)
            prbs_tool.prbs_check(exp_id, retimers, False)