{"product_id":"huawei-s1720-28gwr-4p-24-port-gigabit-management-switch-with-4-sfp-port","title":"Huawei S1720-28GWR-4P 24 Port Gigabit Management Switch with 4 SFP Port","description":"\u003cp\u003eMemory (RAM)\u003c\/p\u003e\u003cp\u003e512 MB\u003c\/p\u003e\u003cp\u003eFlash\u003c\/p\u003e\u003cp\u003e512 MB in total, 240 MB available for customers\u003c\/p\u003e\u003cp\u003eMean time between failures (MTBF)\u003c\/p\u003e\u003cp\u003e45 years\u003c\/p\u003e\u003cp\u003eMean time to repair (MTTR)\u003c\/p\u003e\u003cp\u003e2 hours\u003c\/p\u003e\u003cp\u003eAvailability\u003c\/p\u003e\u003cp\u003e\u0026gt; 0.99999\u003c\/p\u003e\u003cp\u003eService port surge protection\u003c\/p\u003e\u003cp\u003eCommon mode: ±7 kV\u003c\/p\u003e\u003cp\u003ePower supply surge protection\u003c\/p\u003e\u003cp\u003e±6 kV in differential mode, ±6 kV in common mode\u003c\/p\u003e\u003cp\u003eDimensions (H x W x D)\u003c\/p\u003e\u003cp\u003eBasic dimensions (excluding the parts protruding from the body): 43.6 mm x 442.0 mm x 224.8 mm (1.72 in. x 17.40 in. x 8.85 in.)\nMaximum dimensions (the depth is the distance from ports on the front panel to the parts protruding from the rear panel): 43.6 mm x 442.0 mm x 233.8 mm (1.72 in. x 17.40 in. x 9.20 in.)\u003c\/p\u003e\u003cp\u003eWeight (including packaging)\u003c\/p\u003e\u003cp\u003e3.9 kg (8.6 lb)\u003c\/p\u003e\u003cp\u003eStack ports\u003c\/p\u003e\u003cp\u003eNot supported\u003c\/p\u003e\u003cp\u003eRTC\u003c\/p\u003e\u003cp\u003eNot supported\u003c\/p\u003e\u003cp\u003eRPS\u003c\/p\u003e\u003cp\u003eNot supported\u003c\/p\u003e\u003cp\u003ePoE\u003c\/p\u003e\u003cp\u003eNot supported\u003c\/p\u003e\u003cp\u003eRated voltage range\u003c\/p\u003e\u003cp\u003e100 V AC to 240 V AC, 50\/60 Hz\u003c\/p\u003e\u003cp\u003eMaximum voltage range\u003c\/p\u003e\u003cp\u003e90 V AC to 264 V AC, 47 Hz to 63 Hz\u003c\/p\u003e\u003cp\u003eMaximum power consumption (100% throughput)\u003c\/p\u003e\u003cp\u003e20.2 W\u003c\/p\u003e\u003cp\u003eTypical power consumption (30% of traffic load)\nTested according to ATIS standard\nEEE enabled\nNo PoE power consumption\u003c\/p\u003e\u003cp\u003e16.1 W\u003c\/p\u003e\u003cp\u003eOperating temperature\u003c\/p\u003e\u003cp\u003e0°C to 45°C (32°F to 113°F) at an altitude of 0-1800 m (0-5906 ft.)\nNOTE:\u003c\/p\u003e\u003cp\u003eWhen the altitude is 1800-5000 m (5906-16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.).\u003c\/p\u003e\u003cp\u003eThe operating temperature of the switch is 0°C to 40°C (32°F to 104°F) when it uses GE SFP optical modules with 40 km or longer transmission distances.\u003c\/p\u003e\u003cp\u003eShort-term operating temperature\u003c\/p\u003e\u003cp\u003e-5°C to +50°C (23°F to 122°F) at an altitude of 0-1800 m (0-5906 ft.)\u003c\/p\u003e\u003cp\u003eNOTE:\u003c\/p\u003e\u003cp\u003eWhen the altitude is 1800-5000 m (5906-16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.).\u003c\/p\u003e\u003cp\u003eThe equipment can operate beyond the normal operating temperature range for a short-term period, but the following conditions must be met:\nThe equipment operates at a temperature of over 45°C (113°F) consecutively for at most 96 hours in one year.\nThe equipment operates at a temperature of over 45°C (113°F) for a total of no more than 360 hours in one year.\nThe equipment operates at a temperature of over 45°C (113°F) for no more in 15 times in one year.\nThe equipment may be damaged or experience unexpected exceptions if any of the preceding limits is exceeded.\u003c\/p\u003e\u003cp\u003eThe equipment cannot start when the temperature is lower than 0°C (32°F). The maximum distance of optical modules used in these conditions cannot exceed 10 km.\u003c\/p\u003e\u003cp\u003eStorage temperature\u003c\/p\u003e\u003cp\u003e-40°C to +70°C (-40°F to +158°F)\u003c\/p\u003e\u003cp\u003eNoise under normal temperature (27°C, sound power)\u003c\/p\u003e\u003cp\u003eNoise-free (no fans)\u003c\/p\u003e\u003cp\u003eRelative humidity\u003c\/p\u003e\u003cp\u003e5% to 95%, noncondensing\u003c\/p\u003e\u003cp\u003eOperating altitude\u003c\/p\u003e\u003cp\u003e0-5000 m (0-16404 ft.)\u003c\/p\u003e\u003cp\u003eCertification\u003c\/p\u003e\u003cp\u003eEMC certification\nSafety certification\nManufacturing certification\u003c\/p\u003e\u003cp\u003ePart number\u003c\/p\u003e\u003cp\u003eS1720-28GWR-4P: 98010580\nS1720-28GWR-4P-E:\u003c\/p\u003e","brand":"longtech","offers":[{"title":"Default Title","offer_id":55693279461695,"sku":"NET-HUAWEI-S1720-28GWR-4P","price":374.99,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.modcom.ca\/products\/huawei-s1720-28gwr-4p-24-port-gigabit-management-switch-with-4-sfp-port","provider":"Modcom","version":"1.0","type":"link"}