Installation Manual
H3C S7500E Series Ethernet Switches
Chapter 1 Product Overview
1-5
There are two DC power input (PoE power supply input) terminals and two COM ports
(monitor ports) on the rear panel of the chassis.
III. S7503E
Figure 1-5 shows the front panel of the S7503E.
(1)
(3)
(4)
(5)
(2)
(3)
(1) Fan tray
(2) Jack for ESD-preventive wrist strap
(3) Power modules
(4) LPUs (in slot 2 to slot 4)
(5) SRPUs (in slot 0 and slot 1)
Figure 1-5
Front panel of the S7503E
All the modules of the S7503E are hot swappable.
z
The S7503E has five horizontal slots. SRPUs are inserted into the upper two slots
(see callout (5) in Figure 1-5). SRPUs are required and support active-standby
switchover. Different LPUs are inserted into the other three slots (see callout (4) in
Figure 1-5).
z
The fan tray is installed on the right side of the chassis (see callout (1) in Figure
1-5).
z
The two power modules, which sit in the lower part of the chassis (see callout (3) in
Figure 1-5), provide 1+1 redundancy backup. You can select either AC power
supply or DC power supply.
IV. S7506E
Figure 1-6 shows the front panel of the S7506E.