CS-117-2DW18 2-Channel Disk Read/Write Circuit
CS-117-2N18 2-Channel Disk Read/Write Circuit
CS-117-2RDW18 2-Channel Disk Read/Write Circuit
CS-117-4N22 4-Channel Disk/Tape Read/Write Circuit
CS-117-6RFN28 6-Channel Read/Write Circuit
CS-117-6RN28 6-Channel Read/Write Circuit