... + CPU + 12 SLOTS FOR Q SERIES I/O, CE/UL/cULQ63B POWER SUPPLY + 3 I/O SLOTS, FOR Q SERIES MODULE, ... CE/UL/cULQ65B POWER SUPPLY + 5 I/O SLOTS, FOR Q SERIES MODULE, ... CE/UL/cULQ68B POWER SUPPLY + 8 I/O SLOTS, FOR Q SERIES MODULE, ... CE/UL/cULQ612B POWER SUPPLY + 12 I/O SLOTS, FOR Q SERIES MODULE, ...