Fan Trays; Transceiver Modules - HP FlexFabric 7900 Series Installation Manual

NOTE:
You can install one power supply if the input voltage is in the range of 200 VAC to 240 VAC. You must
install two power supplies if the input voltage is in the range of 100 VAC to 200 VAC.

Fan trays

Order the fan trays compatible with your switch if necessary. To ensure correct operation of the switch,
make sure you install two fan trays of the same model on the switch.
Table 17 describes the specifications of fan trays used by the HP 7904 switch. For more information
about the fan tray features and specifications, see HP FlexFabric 7904 Fan Trays (JG839A & JG684A)
User Guide.
Table 17 Fan tray specifications
Product
Code
JG839A
JG684A

Transceiver modules

The HP FlexFabric 7900 switch series supports the following transceiver modules and cables:
QSFP+ modules listed in
•
QSFP+ cables listed in
•
• QSFP+ to SFP+ cables listed in
You can order transceiver modules supported by the LPU ports. For more information, see
Table 18 QSFP+ module specifications
Product
code
JG325A
JG661A
HP description Dimensions
HP FlexFabric 7904
40 x 40 x 56
back (power side) to
mm (1.57 x
front (port side)
1.57 x 2.20 in)
airflow Fan Tray
HP FlexFabric 7904
40 x 40 x 56
front (port side) to
mm (1.57 x
back (power side)
1.57 x 2.20 in)
airflow Fan Tray
Table 18
Table 19
Description
HP X140 40G
QSFP+ MPO SR4
Transceiver
HP X140 40G
QSFP+ LC LR4 SM
10km 1310nm
Transceiver
Number
of fans
5
5
Table 20
Fiber
Connector
specifications
MULTIMODE
MPO 50/125μm
OM3
LC 9/125 μm SMF
47
Maximum
Maximum
rotating
air flow rate
speed
22100
105 CFM
RPM
22100
105 CFM
RPM
Multimode
fiber modal
bandwidth
(MHz*km)
2000
N/A
Power
consumpti
on
18 W to
130 W
18 W to
130 W
Table 15.
Maximum
transmission
distance
100 m (328.08
ft)
10 km (6.21
miles)