{"id":2507,"date":"2019-06-26T07:31:15","date_gmt":"2019-06-26T07:31:15","guid":{"rendered":"http:\/\/vietbee.vn\/?post_type=product&p=2507"},"modified":"2020-06-25T02:33:36","modified_gmt":"2020-06-25T02:33:36","slug":"hp-aruba-2540-48g-poe-4sfp-switch-jl357a","status":"publish","type":"product","link":"https:\/\/vietbee.com\/en\/product\/hp-aruba-2540-48g-poe-4sfp-switch-jl357a\/","title":{"rendered":"HP Aruba 2540 48G PoE 4SFP Switch JL357A"},"content":{"rendered":"

Specifications<\/strong><\/p>\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
I\/O ports and slots<\/strong><\/td>\n<\/tr>\n
I\/O ports and slots<\/td>\n48 RJ-45 autosensing 10\/100\/1000 PoE+ ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASETX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE+); Duplex: 10BASE-T\/100BASE-TX: half or full; 1000BASE-T: full only 4 SFP+ 1\/10GbE ports; PHY-less<\/td>\n<\/tr>\n
Additional ports and slots<\/strong><\/td>\n<\/tr>\n
Additional ports and slots<\/td>\n1 dual-personality (RJ-45 or USB micro-B) serial console port<\/td>\n<\/tr>\n
Physical characteristics<\/strong><\/td>\n<\/tr>\n
Dimensions<\/td>\n17.42(w) x 11.98(d) x 1.73(h) in. (44.25 x 30.42 x 4.39 cm) (1U height)<\/td>\n<\/tr>\n
Weight<\/td>\n9.83 lb (4.46 kg)<\/td>\n<\/tr>\n
Memory and processor<\/td>\nDual Core ARM Coretex A9 @ 1016 MHz, 1 GB DDR3 SDRAM; Packet buffer size: 12.38 MB 4.5 MB Ingress\/7.875 MB Egress, 4 GB eMMC<\/td>\n<\/tr>\n
Performance<\/strong><\/td>\n<\/tr>\n
1,000 MB Latency<\/td>\n< 3.8 \u00b5s (64-byte packets)<\/td>\n<\/tr>\n
10 Gbps Latency<\/td>\n< 1.6 \u00b5s (64-byte packets)<\/td>\n<\/tr>\n
Throughput<\/td>\nup to 112.0 Mpps<\/td>\n<\/tr>\n
Switching capacity<\/td>\n176 Gbps<\/td>\n<\/tr>\n
Routing table size<\/td>\n2,000 entries (IPv4), 1,000 entries (IPv6)<\/td>\n<\/tr>\n
MAC address table size<\/td>\n16,384 entries<\/td>\n<\/tr>\n
Environment<\/strong><\/td>\n<\/tr>\n
Operating temperature<\/td>\n32\u00b0F to 113\u00b0F (0\u00b0C to 45\u00b0C); up to 5,000 Feet, -0\u00b0C to 40\u00b0C (32\u00b0F to 104\u00b0F) up to 10,000 Feet<\/td>\n<\/tr>\n
Operating relative humidity<\/td>\n15% to 95% @ 104\u00b0F (40\u00b0C), noncondensing<\/td>\n<\/tr>\n
Nonoperating\/Storage temperature<\/td>\n-40\u00b0F to 158\u00b0F (-40\u00b0C to 70\u00b0C); up to 15,000 Feet<\/td>\n<\/tr>\n
Nonoperating\/Storage relative humidity<\/td>\n15% to 95% @ 149\u00b0F (65\u00b0C)<\/td>\n<\/tr>\n
Acoustic<\/td>\nPower: 55.7 dB, Pressure: 41.7 dB<\/td>\n<\/tr>\n
Airflow direction<\/td>\nSide-to-side<\/td>\n<\/tr>\n
Electrical characteristics<\/strong><\/td>\n<\/tr>\n
Frequency<\/td>\n50\/60 Hz<\/td>\n<\/tr>\n
80plus.org Certification<\/td>\nSilver<\/td>\n<\/tr>\n
Maximum heat dissipation<\/td>\n293.0 BTU\/hr (309.1 kJ\/hr)<\/td>\n<\/tr>\n
Voltage<\/td>\n100\u2013127\/200\u2013240 VAC, rated<\/td>\n<\/tr>\n
Current<\/td>\n5.1\/2.5 A<\/td>\n<\/tr>\n
Maximum power rating<\/td>\n459 W<\/td>\n<\/tr>\n
Idle power<\/td>\n48.6 W<\/td>\n<\/tr>\n
Electrical characteristics continued<\/strong><\/td>\n<\/tr>\n
PoE power<\/td>\n370 W PoE+<\/td>\n<\/tr>\n
Safety<\/strong><\/td>\n<\/tr>\n
Safety<\/td>\nUL 60950-1 2nd Edition; EN 60950-1:2006 +A11:2009 +A1:2010 +A12:2011+A2:2013; IEC 60950-1:2005 +A1:2009 +A2:2013; CSA 22.2 No. 60950-1-07 2nd; EN 60825-1:2007\/IEC 60825-1:2007 Class 1<\/td>\n<\/tr>\n
Emissions<\/strong><\/td>\n<\/tr>\n
Emissions<\/td>\nVCCI Class A; CNS 13438; ICES-003 Class A; FCC CFR 47 Part 15, Class A; EN 55022: 2010\/CISPR-22, Class A<\/td>\n<\/tr>\n
Immunity<\/strong><\/td>\n<\/tr>\n
Generic<\/td>\nEN 55024:2010\/CISPR 24<\/td>\n<\/tr>\n
ESD<\/td>\nIEC 61000-4-2<\/td>\n<\/tr>\n
Radiated<\/td>\nIEC 61000-4-3<\/td>\n<\/tr>\n
EFT\/Burst<\/td>\nIEC 61000-4-4<\/td>\n<\/tr>\n
Surge<\/td>\nIEC 61000-4-5<\/td>\n<\/tr>\n
Conducted<\/td>\nIEC 61000-4-6<\/td>\n<\/tr>\n
Power frequency magnetic field<\/td>\nIEC 61000-4-8<\/td>\n<\/tr>\n
Voltage dips and interruptions<\/td>\nIEC 61000-4-11<\/td>\n<\/tr>\n
Harmonics<\/td>\nEN 61000-3-2, IEC 61000-3-2<\/td>\n<\/tr>\n
Flicker<\/td>\nEN 61000-3-3, IEC 61000-3-3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Specifications I\/O ports and slots I\/O ports and slots 48 RJ-45 autosensing 10\/100\/1000 PoE+ ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASETX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE+); Duplex: 10BASE-T\/100BASE-TX: half or full; 1000BASE-T: full only 4 SFP+ 1\/10GbE ports; PHY-less Additional ports and slots Additional ports and slots 1 dual-personality (RJ-45 or<\/p>\n","protected":false},"featured_media":2508,"template":"","meta":[],"product_brand":[],"product_cat":[45,32],"product_tag":[939,938,941,940],"pa_bo-nho-trong":[],"pa_bo-vi-xu-ly":[],"pa_do-dai":[],"pa_do-phan-giai":[],"pa_hang-san-xuat":[1054],"pa_kich-thuoc-man-hinh":[],"pa_micro-thu-am":[],"pa_nha-thong-minh-rang-dong":[],"pa_o-cung":[],"pa_ong-kinh":[],"pa_poe":[1061],"pa_ports":[1063],"pa_tam-quan-sat":[],"pa_theo-chuan":[],"class_list":{"0":"post-2507","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-thiet-bi-mang","7":"product_cat-hubs-switches","8":"product_tag-hp-aruba-2540-48g-poe-4sfp","9":"product_tag-hp-aruba-2540-48g-poe-4sfp-switch-jl357a","10":"product_tag-jl357a","11":"product_tag-switch-jl357a","12":"pa_hang-san-xuat-hp-aruba","13":"pa_poe-co","14":"pa_ports-1063","16":"first","17":"instock","18":"shipping-taxable","19":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/product\/2507","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/media\/2508"}],"wp:attachment":[{"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/media?parent=2507"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/product_brand?post=2507"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/product_cat?post=2507"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/product_tag?post=2507"},{"taxonomy":"pa_bo-nho-trong","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_bo-nho-trong?post=2507"},{"taxonomy":"pa_bo-vi-xu-ly","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_bo-vi-xu-ly?post=2507"},{"taxonomy":"pa_do-dai","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_do-dai?post=2507"},{"taxonomy":"pa_do-phan-giai","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_do-phan-giai?post=2507"},{"taxonomy":"pa_hang-san-xuat","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_hang-san-xuat?post=2507"},{"taxonomy":"pa_kich-thuoc-man-hinh","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_kich-thuoc-man-hinh?post=2507"},{"taxonomy":"pa_micro-thu-am","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_micro-thu-am?post=2507"},{"taxonomy":"pa_nha-thong-minh-rang-dong","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_nha-thong-minh-rang-dong?post=2507"},{"taxonomy":"pa_o-cung","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_o-cung?post=2507"},{"taxonomy":"pa_ong-kinh","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_ong-kinh?post=2507"},{"taxonomy":"pa_poe","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_poe?post=2507"},{"taxonomy":"pa_ports","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_ports?post=2507"},{"taxonomy":"pa_tam-quan-sat","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_tam-quan-sat?post=2507"},{"taxonomy":"pa_theo-chuan","embeddable":true,"href":"https:\/\/vietbee.com\/en\/wp-json\/wp\/v2\/pa_theo-chuan?post=2507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}