3com S7906E Guide D’Installation Rapide
1-5
Figure 1-5 Front panel of the S7903E
(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)
All the modules of the S7903E are hot swappable.
z
The S7903E has five horizontal slots. SRPUs are inserted into the upper two slots (see callout (5)
in
). SRPUs are required and support active-standby switchover. Different LPUs are
inserted into the other three slots (see callout (4) in
z
The fan tray is installed on the right side of the chassis (see callout (1) in
).
z
The two power modules, which sit in the lower part of the chassis (see callout (3) in
),
provide 1+1 redundancy backup. You can select either AC power supply or DC power supply.
S7906E
shows the front panel of the S7906E.