Installation Manual
H3C S9500 Series Routing Switches
Chapter 1 Product Overview
1-13
The fans of S9502 switches operate at 12 VDC supplied from the fan monitor board,
while the fans of the S9505/S9508/S9508V/S9512 operate at –48 VDC supplied from
the backplane.
Figure 1-9
Fan tray panel of the S9502/S9505/S9508/S9512
Figure 1-10
Fan tray panel of the S9508V
Table 1-7
LEDs on fan tray panel
LED
Color
Status
Meaning
OFF
The fan tray is faulty.
RUN Green
ON
The fan tray is operating normally.
OFF
The fan tray is operating normally.
ALM Red
ON
The fan tray is faulty.
1.3 Switching and Routing Processing Unit
SRPUs serve as the core of the S9500 series. They mainly have the following
functions:
z
Route calculation and forwarding table maintenance.
z
Integrating crossbar switching fabric to accomplish service exchange between
different boards.