3com S7906E Guide D’Installation Rapide
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Table 1-6 Technical specifications of the PSR320-A power module
Item
Specifications
Rated voltage range
100 VAC to 240 VAC; 50 Hz or 60 Hz
Maximum output power
300 W
Dimensions (H × W × D)
40 × 140 × 350 mm (1.57 × 5.51 × 13.78 in.)
The PSR320-A uses a 10-A AC power cable.
PSR320-D
Figure 1-10 PSR320-D power module
(1) Grounding screws
(2) RTN terminal (+) of DC input
(3) Negative terminal (–) of DC input (–48 V to –60 V)
(4) Power switch
(5) Power LED
(6) Power module handle
(7) Captive screws
As shown in the figure, above the power switch is the power LED. If the power LED is green, the power
supply operates normally. If the power LED is red, the power supply is abnormal.
Table 1-7 Technical specifications of the PSR320-D power module
Item
Specifications
Rated voltage range
–48 VDC to –60 VDC
Maximum output power
300 W
Dimensions (H × W × D)
40 × 140 × 350 mm (1.57 × 5.51 × 13.78 in.)