27
Connecting a DC power cord
1.
Align the power cord plug with the power receptacle on the power supply, and insert the plug
into the receptacle (see
).
The plug and receptacle are foolproof. If you cannot insert the plug into the receptacle, re-orient
the plug rather than use excessive force to push it in.
2.
Use a cable tie to secure the power cord to the handle of the power supply, as shown in
3.
Connect the other end of the wires to the DC power source wiring terminals, with the negative
wire (
–
or
L–
) to the negative terminal block (
–
) and the positive wire (
+
or
M/N
) to the positive (
+
)
terminal block)Connect the other end of the power cord to the DC power source.
Figure 35 Connecting a DC power cord to the 650W DC power supply
Installing/removing expansion cards
CAUTION:
When you install or remove an expansion card, follow these guidelines:
•
Never touch the components on the expansion card surface with bare hands.
•
Do not use excessive force.
The HPE 5950 4-slot switch provides four expansion slots. For the available expansion cards, see
"
The expansion card installation and removal procedures are the same. This section uses the
LSWM18CQ interface card as an example.
Installing an expansion card
1.
Wear an ESD wrist strap and make sure the wrist strap makes good skin contact and is reliably
grounded.
2.
(Optional.) If the target expansion slot has a filler panel installed, remove the filler panel, as
shown in
a.
Use your thumb and forefinger to hold the filler panel through the two holes.
b.
Push right the metal tab in the left hole and pull out the filler panel along the guide rails.
