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servers at the top of rack. The air plenum prevents cold air from leaking around sides of the 6600 switch to
promote more efficient cooling and is recommended with installations where the 6600 switch is mounted with
Ethernet ports facing the hot aisle. Figure 17 details this particular air plenum.
Note: For use with the 6600-24G and 6600-24G-4XG switches
Figure 17: HP ProCurve 6600-24G/24G-4XG Air Plenum (J9481A)
Transceivers and direct attach cables
Depending on the needs of the environment, the 6600 series provides a range of optics choices to best match
the desired configuration. Many of the 6600 series switch models provide dual-personality ports to allow for
SFP 1-Gb connectivity over longer distances that exceed copper ranges. Additionally, most of the 6600 series
switches also support SFP+ for 10-Gb connectivity with both fiber-optic transceiver as well as low-cost options
over shorter runs using direct attach cables (DACs). As detailed below, the DACs come in 1-m, 3-m, and 7-m
lengths to facilitate uplinks to aggregation switches at the end of row or to also allow for server connectivity for
those devices that support 10-Gb NICs.
1-Gb SFP (mini-GBIC) transceivers
•J8177B or C—HP ProCurve Gigabit 1000Base-T Mini-GBIC
•J4858C—HP ProCurve Gigabit-SX-LC Mini-GBIC
•J4859C—HP ProCurve Gigabit-LX-LC Mini-GBIC
•J4860C—HP ProCurve Gigabit-LH-LC Mini-GBIC
10-Gb SFP+ transceivers
•J9150A—HP ProCurve 10-GbE SFP+ SR Transceiver
•J9151A—HP ProCurve 10-GbE SFP+ LR Transceiver
•J9152A—HP ProCurve 10-GbE SFP+ LRM Transceiver
10-Gb SFP+ direct attach cables
•J9281B—HP ProCurve 10-GbE SFP+ 1m Direct Attach Cable
•J9283B—HP ProCurve 10-GbE SFP+ 3m Direct Attach Cable
•J9285B—HP ProCurve 10-GbE SFP+ 7m Direct Attach Cable
Because SFP+ is a relatively new optical form factor for HP networking, Table 5 provides a comparison
between SFP and X2 for those more familiar with X2 transceiver options.
Feature SFP+ X2
Power consumption
SR 1 W/port 4 W/port
LRM 1.5 W/port 4 W/port
LR 1 W/port 4 W/port
Twinax direct attach cable 0.1 W/port (estimated) –
Connector type LC SC
Table 5: SFP+ vs. X2 optics