H3C PSR750-A, Manual

Page: 4 / 10

1-3
Panel
Figure 1-1 Panel of the PSR750-A
(1) (2) (3)
(4)
(5) (6) (7)
(8)
(1) Power switch (push “O” to switch off and push “
—
” to switch on)
(2) AC receptacle
(3) Tab (4) Power module handle
(5) Status LED for DC output (6) Status LED for AC input
(7) Bail latch (8) Captive screw
Figure 1-2 Panel of the PSR750-D
(1) Power module handle (2) Tab
(3) DC input terminal (positive) (4) DC input terminal (negative)
(5) Captive screw (6) Status LED for DC output
(7) Status LED for DC input
Status LEDs
The PSR750-A/PSR750-D has two LEDs, which indicate the input status (AC OK) and output status
(DC OK) of the power module. Table 1-4 describes the colors and working status of the LEDs in different
cases.
Table 1-4 Description of the LEDs
Model LED Color Status
Off No power is input or an input failure occurs.
AC OK
On The power input is normal.
Off No power is output or an output failure occurs.
PSR750-A
DC OK
On The power output is normal.