3Com S7906E Getting Started Manual page 17

Table 1-6 Technical specifications of the PSR320-A power module
Item
Rated voltage range
Maximum output power
Dimensions (H × W × D)
The PSR320-A uses a 10-A AC power cable.
PSR320-D
Figure 1-10 PSR320-D power module
(1) Grounding screws
(3) Negative terminal (–) of DC input (–48 V to –60 V)
(5) Power LED
(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
Rated voltage range
Maximum output power
Dimensions (H × W × D)
Specifications
100 VAC to 240 VAC; 50 Hz or 60 Hz
300 W
40 × 140 × 350 mm (1.57 × 5.51 × 13.78 in.)
(2) RTN terminal (+) of DC input
(4) Power switch
(6) Power module handle
Specifications
–48 VDC to –60 VDC
300 W
40 × 140 × 350 mm (1.57 × 5.51 × 13.78 in.)
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