68
is greater than the system power consumption. HP recommends that you reserve 20% of the maximum
output power.
IMPORTANT:
•
Power supplies of different models cannot be installed on the same switch.
•
When the temperature of a power supply exceeds the normal operating temperature, the power supply
is automatically powered off. When the temperature recovers to the normal temperature, the power
supply is automatically powered on.
Fan trays
shows the fan tray that a 11908-V switch chassis supports. Every 11908-V switch comes with one
fan tray installed.
Table 26
Fan tray specifications
Product code HP description
Alias
Number
of fans
Fan
diameter
Maximum
rotating
speed
Maximum
air flow
rate
JG618A
HP FlexFabric
11908-V Spare
Fan Assembly
11908-V fan
tray
12
120 mm
(4.72 in)
5200 RPM
1152 CFM
Mounting accessories
Before installing the switch to the rack, install slide rails to the rack. You can order an HP X421 A-Series
Chassis Universal 4-Post Rack Mounting Kit (JC665A), which is referred to as "the rack mounting kit" in
this document.
An HP X421 A-Series Chassis Universal 4-Post Rack Mounting Kit (JC665A) includes cage nuts, screws,
and a pair of slide rails. The length of the slide rails is in the range of 500 mm (19.69 in) to 800 mm
(31.50 in). A pair of slide rails can bear a maximum weight of 350 kg (771.60 lb). Before you use the
slide rails, make sure the following requirements are satisfied:
•
The inside depth of the rack falls into the length range of the slide rail.
•
The slide rails can support the total weight of the switch chassis and its accessories.
Transceiver modules
The switch supports transceiver modules. You can order transceiver modules according to the transceiver
modules supported by the LPU interfaces. For more information, see
The switch supports the following transceiver modules:
•
10-Gigabit SFP+ modules in
•
10-Gigabit SFP+ cables in
•
•
QSFP+ modules listed in
Содержание FlexFabric 11908-V
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Страница 91: ...85 Figure 52 QSFP to SFP cable 1 QSFP connector 2 QSFP pull latch 3 SFP connector 4 SFP pull latch ...