9
3-2. Opening and Closing the Front Panel
IMPORTANT
The front panel may be difficult to open if the USF frame is placed on a desk, and may be
damaged if it is forced to open. Perform the following steps after setting the frame in a rack.
1.
Loosen the two thumbscrews on the front panel by turning them counterclockwise.
TEMP
FAN
DC 2
DC 1
ALARM
ON
POWER
USF-105S
UNIVERSAL
SYSTEM FRAME
LOCK
LOCK
2.
Pull out the front panel grasping the thumbscrews. Cooling fans stop while the front panel is
open.
IMPORTANT
An OPEN alarm sounds intermittently, every 30 seconds, when the front panel is opened.
After 5 minutes, the alarm will sound continuously until the front panel is closed.
In case the power is on, complete the procedure in a short period of time
3.
Pull out the front panel as shown in the figure below.
IMPORTANAT
Carefully pull out the front panel slowly so as not to drop the panel.
4.
Reinsert the front panel slowly along the guide grooves on both sides of the case.
5.
Tighten the thumbscrews on both ends clockwise.
6.
Verify that the front panel POWER ON LED is lit.