3com S7906E Guide D’Installation Rapide
1-7
Figure 1-7 Front panel of the S7910E
(1) Fan tray
(2) Jack for ESD-preventive wrist strap
(3) Power module
(4) LPUs (in slot 0 to slot 4 and slot 7 to slot 11)
(5) SRPUs (in slot 5 and slot 6)
All the modules of the S7910E are hot swappable.
z
The S7910E has twelve horizontal slots. SRPUs are inserted in the middle two slots (see callout (5)
in
). SRPUs are required and support active-standby switchover. Different LPUs are
inserted in the other ten 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-V
shows the front panel of the S7906E-V.