Installation Manual
H3C S7500E Series Ethernet Switches
Chapter 1 Product Overview
1-12
Note:
The PSR320-A uses a 10-A AC power cable.
II. PSR320-D
(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
Figure 1-10
PSR320-D power module
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.)
III. PSR650-A
(1) Power cable retainer
(2) AC power socket
(3) Power switch
(4) Power LED
(5) Power module handle
(6) Captive screws
Figure 1-11
PSR650-A power module