2 I/O slots , power supply CPU Q32SB
3 I/O slots, power supply CPU Q33SB
5 I/O slots, power supply CPU Q35SB
Main base Unit (power supply module required;can be extended)
3 I/O slots, power supply CPU Q33B
5 I/O slots, power supply CPU Q35B
8 I/O slots, power supply CPU Q38B
12 I/O slots, power supply CPU Q312B
8 I/O slots, power supply CPU Q38RB
Extension base Unit (power supply module required;can be extended)
3 I/O slots, power supply Q63B
5 I/O slots, power supply Q65B
8 I/O slots, power supply Q68B
12 I/O slots, power supply Q612B
8 I/O slots, power supply power supply Q68RB
Extension base Unit (power supply module required;can be extended)
2 I/O slots Q52B
5 I/O slots Q55B
5 I/O slots Q55B
Redundant type extension base unit : Q65WRB
5 I/O slots power supply Q65WRB