Services
Refer to the HP website at
www.hp.com/networking/services
for details on the service-level descriptions
and product numbers. For details about services and response times in your area, please contact your local
HP sales office.
HP 2920-48G Switch
(J9728A)
I/O ports and slots
44 RJ-45 autosensing 10/100/1000 ports; Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full
only (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T)
4 RJ-45 dual-personality 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX,
IEEE 802.3ab Type 1000BASE-T)
1 dual-personality (RJ-45 or USB micro-B)
1 USB 1.1
1 RJ-45 out-of-band management port
2 module slots
1 stacking module slot
Power supplies
1 power supply slot
1 minimum power supply required
includes: 1 x J9739A (HP X331 165W 100-240VAC to 12VDC Modular Power Supply)
Physical characteristics
Dimensions
17.42(w) x 13.23(d) x 1.75(h) in (44.25 x 33.6 x 4.45 cm) (1U height)
Weight
11.95 lb (5.42 kg)
Memory and processor
Tri Core ARM1176 @ 625 MHz, 512 MB SDRAM, 1 GB flash; packet buffer size: 11.25 MB (6.75 MB dynamic
egress + 4.5 MB ingress)
Performance
100 Mb Latency
< 9.0 µs (FIFO 64-byte packets)
1000 Mb Latency
< 3.3 µs (FIFO 64-byte packets)
10 Gbps Latency
< 3.2 µs (FIFO 64-byte packets)
Throughput
130.9 million pps
Switching capacity
176 Gb/s
Routing table size
2048 entries (IPv4), 256 entries (IPv6)
MAC address table size
16000 entries
Environment
Operating temperature
32°F to 131°F (0°C to 55°C)
Operating relative
humidity
15% to 95%, noncondensing
Non-operating/
Storage temperature
-40°F to 158°F (-40°C to 70°C)
Non-operating/
Storage relative humidity
15% to 95%, noncondensing
Altitude
up to 10,000 ft (3 km)
Acoustic
Power: 57 dB, Pressure: 41.8 dB
Electrical characteristics
Frequency
50/60 Hz
Maximum heat
dissipation
239 BTU/hr (252.15 kJ/hr)
AC voltage
100-240 VAC
Maximum power rating
70 W
QuickSpecs
HP 2920 Switch Series
Technical Specifications
DA - 14499 Worldwide — Version 10 — December 9, 2013
Page 30
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