System Rear
The rear of the system consists of two power-supply units (PSUs) and two I/O modules. Each PSU and each I/O module is a CRU module. See Figure 2.
For more information, see:
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                                                System CRU Modules for information about the I/O modules and PSUs 
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                                                Status LEDs for information about the LEDs on the I/O module 
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                                                Installing and Connecting the ztC Endurance System Hardware for information about installing and connecting the hardware 
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                                                System Specifications for detailed specifications about the system and its components 
                                             
                                        
| 1 | Power-supply unit (PSU) A | 3 | I/O module A | 
| 2 | Power-supply unit (PSU) B | 4 | I/O module B | 
 Product Support
Product Support