An input/output, I/O, terminal block, comprising: a plurality of terminals disposed on a front face of the I/O terminal block; a housing; a plurality of terminal status indicators (70, 76, 78) capable of displaying a status of a respective terminal, each terminal status indicator (70, 76, 78) being positioned on the I/O terminal block and aligned with the respective terminal along the front face of the I/O terminal block; a plurality of light emitters disposed within the housing of the I/O terminal block, wherein the plurality of light emitters are configured to emit light for illuminating the plurality of terminal status indicators (70, 76, 78); and a plurality of light pipes disposed within the housing of the I/O terminal block, characterized in that each of the plurality of light pipes is configured to receive light from two or more of the plurality of light emitters and to direct the light to two or more of the plurality of terminal status indicators (70, 76, 78), each light pipe of the plurality of light pipes is a bifurcated light pipe configured to direct light to multiple locations of the terminal block, each bifurcated light pipe includes a first light pipe segment that connects to a terminal indicator light pipe loop for directing light to a first terminal status indicator that is adjacent to a terminal of the plurality of terminals and for directing light to a second terminal status indicator of the terminal, and each bifurcated light pipe further includes a second light pipe segment that connects to a device indicator light pipe loop for directing light to a device status indicator, wherein the device status indicator is capable of displaying a collective status of the plurality of terminals. a plurality of terminals disposed on a front face of the I/O terminal block; a housing; a plurality of terminal status indicators (70, 76, 78) capable of displaying a status of a respective terminal, each terminal status indicator (70, 76, 78) being positioned on the I/O terminal block and aligned with the respective terminal along the front face of the I/O terminal block; a plurality of light emitters disposed within the housing of the I/O terminal block, wherein the plurality of light emitters are configured to emit light for illuminating the plurality of terminal status indicators (70, 76, 78); and a plurality of light pipes disposed within the housing of the I/O terminal block, characterized in that each of the plurality of light pipes is configured to receive light from two or more of the plurality of light emitters and to direct the light to two or more of the plurality of terminal status indicators (70, 76, 78), each light pipe of the plurality of light pipes is a bifurcated light pipe configured to direct light to multiple locations of the terminal block, each bifurcated light pipe includes a first light pipe segment that connects to a terminal indicator light pipe loop for directing light to a first terminal status indicator that is adjacent to a terminal of the plurality of terminals and for directing light to a second terminal status indicator of the terminal, and each bifurcated light pipe further includes a second light pipe segment that connects to a device indicator light pipe loop for directing light to a device status indicator, wherein the device status indicator is capable of displaying a collective status of the plurality of terminals.