I/O ports and slots | 48 RJ-45 autosensing 10/100 PoE+ ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3at PoE+) Media Type: Auto-MDIX Duplex: half or full |
2 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T) Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only |
2 fixed Gigabit Ethernet SFP ports |
Additional ports and slots | 1 dual-personality (RJ-45 or USB micro-B) serial console port |
Physical characteristics | Dimensions | 17.40(w) x 12.70(d) x 1.75(h) in (44.2 x 32.26 x 4.45 cm) (1U height) |
Weight | 10.1 lb (4.58 kg) |
Memory and processor | Processor | ARM9E @ 800 MHz, 128 MB flash; Packet buffer size: 3 MB dynamically allocated, 256 MB DDR3 DIMM |
Mounting and enclosure | Mounts in an EIA-standard 19-inch telco rack or equipment cabinet (rack-mounting kit available); Horizontal surface mounting; Wall mounting |
Performance | IPv6 Ready Certified |
100 Mb Latency | < 6.6 µs (LIFO 64-byte packets) |
1000 Mb Latency | < 2.2 µs (LIFO 64-byte packets) |
Throughput | up to 13 Mpps (64-byte packets) |
Switching capacity | 17.6 Gbps |
MAC address table size | 16000 entries |
Environment | Operating temperature | 32°F to 113°F (0°C to 45°C) |
Operating relative humidity | 15% to 95% @ 104°F (40°C), noncondensing |
Non-operating/
Storage temperature | -40°F to 158°F (-40°C to 70°C) |
Environment | Non-operating/Storage relative humidity | 15% to 90% @ 149°F (65°C), noncondensing |
Altitude | up to 10,000 ft (3 km) |
Acoustic | Power: 37.9 dB, Pressure: 31.8 dB |
Electrical characteristics | Frequency | 50/60 Hz |
Maximum heat dissipation | 170 BTU/hr (179.35 kJ/hr), (switch only: 170 BTU/hr; combined switch + max. PoE devices: 1505 BTU/hr) |
Voltage | 100 - 127 / 200 - 240 VAC, rated |
Current | 5.2/2.6 A |
Maximum power rating | 441 W |
Idle power | 37.5 W |
PoE power | 382 W |
Notes: | Idle power is the actual power consumption of the device with no ports connected. Maximum power rating and maximum heat dissipation are the worst-case theoretical maximum numbers provided for planning the infrastructure with fully loaded PoE (if equipped), 100% traffic, all ports plugged in, and all modules populated. PoE power is the total power budget available to all PoE ports. |
Safety | UL 60950-1; CAN/CSA 22.2 No. 60950-1; EN 60825; IEC 60950-1; EN 60950-1 |
Emissions | FCC Class A; EN 55022/CISPR-22 Class A; VCCI Class A |
Immunity | Generic | EN 55024, CISPR 24 |
EN | EN 55024, CISPR 24 |
ESD | IEC 61000-4-2 |
Radiated | IEC 61000-4-3 |
EFT/Burst | IEC 61000-4-4 |
Surge | IEC 61000-4-5 |
Conducted | IEC 61000-4-6 |
Power frequency magnetic field | IEC 61000-4-8 |
Voltage dips and interruptions | IEC 61000-4-11 |
Harmonics | EN 61000-3-2, IEC 61000-3-2 |
Flicker | EN 61000-3-3, IEC 61000-3-3 |
Management | IMC - Intelligent Management Center; command-line interface; Web browser; configuration menu; out-of-band management (serial RS-232C or Micro USB);
IEEE 802.3 Ethernet MIB; Repeater MIB; Ethernet Interface MIB |
Notes: | IEEE 802.3az applies to Gigabit models only; IEEE 802.3at and IEEE 802.3af apply to PoE+ models only. When using SFPs with this product, SFPs with revision "B" or later (product number ends with the letter "B" or later, e.g., J4858B, J4859C) are required. |
