HP J4868A Brochure - Page 3

Specifications

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ProCurve Switch 2124 Specifications Ports 24 10/100 ports (IEEE 802.3 Type 10Base-T, IEEE 802.3u Type 100Base-TX) 1 open transceiver slots Physical characteristics Dimensions 8.0(d) x 17.4(w) x 1.8(h) in. (20.32 x 44.2 x 4.57 cm) (1U height) Weight 8.25 lb. (3.74 kg) Memory and processor Packet buffer size: 768 KB Mounting Mounts in a standard 19 in. rack (hardware included) Performance Latency: - 95% Generic: EN55024, CISPR 24 reduction, 0.5 period, 30% EN: EN55024, CISPR 24 reduction, 25 periods ESD: IEC 61000-4-2; 4 kV CD, Harmonics: EN61000-3-2, 8 kV AD IEC61000-3-2 Radiated: IEC 61000-4-3; Flicker: EN61000-3-3, 3V/m IEC61000-3-3 EFT/Burst: IEC 61000-4-4; 1.0 Standards and protocols kV (power line), 0.5 kV (signal IEEE 802.3x Flow Control line) Surge: IEC 61000-4-5; 1 kV/2 kV AC Conducted: IEC 61000-4-6; 3V 3

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ProCurve Switch 2124
Specifications
Ports
24 10/100 ports (IEEE 802.3
Type 10Base-T, IEEE 802.3u
Type 100Base-TX)
1 open transceiver slots
Physical characteristics
Dimensions
8.0(d) x 17.4(w) x 1.8(h) in.
(20.32 x 44.2 x 4.57 cm) (1U
height)
Weight
8.25 lb. (3.74 kg)
Memory and processor
Packet buffer size: 768 KB
Mounting
Mounts in a standard 19 in.
rack (hardware included)
Performance
Latency:
- <8.5 μs (LIFO)
Switching capacity: 2.6 Gbps
Routing table size: 4,096
entries
Environment
Operating
- Temperature: 32°F to 131°F
(0°C to 55°C)
- Relative humidity: 15% to
95% @ 104°F (40°C),
non-condensing
Non-operating/Storage
- Temperature: -40°F to
158°F (-40°C to 70°C)
- Relative humidity: 90% to
90% @ 149°F (65°C),
non-condensing
Shock: HP759, HP760 (similar
to EN 60068 IEC 68)
Acoustic: DIN 27779 per ISO
7779 42 dB
Electrical characteristics
Max heat dissipation: 341
BTU/hr
Voltage: 100-240 VAC
Current: 1.0 A
Power consumption: 100 W
Frequency: 50/60 Hz
Safety
cUL (CSA 950); EN 60950/IEC
60950; NOM-019-SCFI-1994;
UL 1950 3rd edition
Emissions
FCC Class A;
EN55022/CISPR-22 Class A;
VCCI Class A
Immunity
Generic: EN55024, CISPR 24
EN: EN55024, CISPR 24
ESD: IEC 61000-4-2; 4 kV CD,
8 kV AD
Radiated: IEC 61000-4-3;
3V/m
EFT/Burst: IEC 61000-4-4; 1.0
kV (power line), 0.5 kV (signal
line)
Surge: IEC 61000-4-5; 1 kV/2
kV AC
Conducted: IEC 61000-4-6; 3V
Power frequency magnetic
field: IEC 61000-4-8; 1A/m, 50
or 60 Hz
Voltage dips and interruptions:
IEC 61000-4-11; >95%
reduction, 0.5 period, 30%
reduction, 25 periods
Harmonics: EN61000-3-2,
IEC61000-3-2
Flicker: EN61000-3-3,
IEC61000-3-3
Standards and protocols
IEEE 802.3x Flow Control
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