User guide

Getting Started
19
Warning Handle the module carefully and avoid damaging the connector pins. Do not install the module if
any pins appear to be bent.
3 If you are installing SS-PSU-450 modules, Set the red Voltage Range Selector switch (Figure 2–3) adjacent to the
mains inlet socket to either 115V or 230V as required for your installation. SS-PSU-550 modules are auto-ranging.
Important The mixing of SS-PSU-450 and SS-PSU-550 modules within the same enclosure is not supported.
Warning SS-PSU-450 Power Supply/Cooling modules are NOT auto-ranging, failure to select the correct
range WILL damage the PSU.
4 Install the Power Supply/Cooling modules in the rear of the chassis in the positions indicated below. (Please refer
to Table 2–1 for Configuration details).
• Single Power Supply/Cooling module - Install in Bay 2
• 2 Power Supply/Cooling modules - Install in Bays 1 & 4
• 3 Power Supply/Cooling modules - Install in Bays 1, 2 & 4
Figure 2–3 Power Supply Voltage Range Selector Switch
Figure 2–4 Power Supply/Cooling Module Location (Bay 4 shown)