The Sony BKPF-L611 is a distribution board for the PFV-L10 compact interface unit. The board has the ability to output variable bit rate SDI signals from one reference signal. Signal formats are 540 Mbps, 360 Mbps, 270 Mbps (4:2:2 SDI), 177 Mbps (PAL SDI), and 143 Mbps (NTSC SDI). The board ingests up to 3 signals, each signal is split to 2 outputs.