A device for a distributed antenna system, wherein the device is a point of interface system or a base station router, the device comprising: a downlink signal path configured to receive a downlink signal from a base station; an uplink signal path; a configuration sub-system comprising: a test signal generator integrated into the device to selectively provide a test signal to the downlink signal path for normalizing downlink signals traversing the downlink signal path; a power measurement device integrated into the device, the power measurement device being configured to measure a power level of the test signal at a measurement point in the downlink signal path of the device and measure a power level of the downlink signal at the measurement point in the downlink signal path of the device; and, a controller integrated into the device, wherein the controller is configured to: receive two measurements of the power level of the downlink signal or the power level of the test signal from power measurement devices (302, 308) at different measurement points; and adjust a downlink signal path gain of the downlink signal path based on the two measurements at different measurement points of the power level of the downlink signal or the power level of the test signal to normalize a power level of the downlink signals by providing control signals to one or more processors of one or more devices of the distributed antenna system; wherein the device is configured to output downlink signals to a master unit of the distributed antenna system. a downlink signal path configured to receive a downlink signal from a base station; an uplink signal path; a configuration sub-system comprising: a test signal generator integrated into the device to selectively provide a test signal to the downlink signal path for normalizing downlink signals traversing the downlink signal path; a power measurement device integrated into the device, the power measurement device being configured to measure a power level of the test signal at a measurement point in the downlink signal path of the device and measure a power level of the downlink signal at the measurement point in the downlink signal path of the device; and, a controller integrated into the device, wherein the controller is configured to: receive two measurements of the power level of the downlink signal or the power level of the test signal from power measurement devices (302, 308) at different measurement points; and adjust a downlink signal path gain of the downlink signal path based on the two measurements at different measurement points of the power level of the downlink signal or the power level of the test signal to normalize a power level of the downlink signals by providing control signals to one or more processors of one or more devices of the distributed antenna system; wherein the device is configured to output downlink signals to a master unit of the distributed antenna system. a test signal generator integrated into the device to selectively provide a test signal to the downlink signal path for normalizing downlink signals traversing the downlink signal path; a power measurement device integrated into the device, the power measurement device being configured to measure a power level of the test signal at a measurement point in the downlink signal path of the device and measure a power level of the downlink signal at the measurement point in the downlink signal path of the device; and, a controller integrated into the device, wherein the controller is configured to: receive two measurements of the power level of the downlink signal or the power level of the test signal from power measurement devices (302, 308) at different measurement points; and adjust a downlink signal path gain of the downlink signal path based on the two measurements at different measurement points of the power level of the downlink signal or the power level of the test signal to normalize a power level of the downlink signals by providing control signals to one or more processors of one or more devices of the distributed antenna system; wherein the device is configured to output downlink signals to a master unit of the distributed antenna system. receive two measurements of the power level of the downlink signal or the power level of the test signal from power measurement devices (302, 308) at different measurement points; and adjust a downlink signal path gain of the downlink signal path based on the two measurements at different measurement points of the power level of the downlink signal or the power level of the test signal to normalize a power level of the downlink signals by providing control signals to one or more processors of one or more devices of the distributed antenna system; wherein the device is configured to output downlink signals to a master unit of the distributed antenna system.