3com S7906E Guide D’Installation Rapide

 

3-8 

Figure 3-10 Connect the DC power cable for the PSR320-D 

 

 

Turn off all switches on the switch before connecting the DC power cables. 

 

To connect the DC power cable for the PSR320-D, proceed as follows: 

1)  Remove the protection cover from the power module. 

2)  Loosen the fastening screw on the wiring terminal with a Phillips screwdriver. 

3)  Connect the end of the blue DC power cable marked with – to the negative terminal (–) on the 

power module and fasten the screw. 

4)  Connect the end of the black DC power cable marked with + to the RTN (+) terminal on the power 

module and fasten the screw. 

5)  Put the protection cover on the wiring terminals. 

6)  Connect the other ends of the DC power cables to the wiring terminals that provide a power supply 

to the switch. 

Refer to section “

” on page 

.