The Cobalt RM20-9927-B is a 20 Slot Frame Rear I/O Module (Standard Width) with SDI Inputs, HDMI Outputs for 9927 version openGear cards.
Note: Due to the alignment of the 9927-2HtoS card and this rear module, the combination of the card and rear module will consume the adjacent even frame slot in addition to the odd slot occupied by the card.
Note: Mates to card in odd slot.