{"id":62996,"date":"2025-08-27T23:54:12","date_gmt":"2025-08-27T16:54:12","guid":{"rendered":"https:\/\/itsystems.vn\/store\/?post_type=product&p=62996"},"modified":"2026-05-18T18:07:48","modified_gmt":"2026-05-18T11:07:48","slug":"cbs250-48t-4g-eu","status":"publish","type":"product","link":"https:\/\/itsystems.vn\/store\/sp\/cbs250-48t-4g-eu\/","title":{"rendered":"CBS250-48T-4G-EU"},"content":{"rendered":"<\/p>\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
Feature<\/td>\nDescription<\/td>\n<\/tr>\n
Capacity in millions of packets per second (mpps) (64-byte packets)<\/td>\n77.38<\/td>\n<\/tr>\n
Switching capacity in gigabits per second (Gbps)<\/td>\n104.0<\/td>\n<\/tr>\n
RJ-45 ports<\/td>\n48 10\/100\/1000 ports<\/td>\n<\/tr>\n
Combo ports (RJ-45 + SFP)<\/td>\n4 Gigabit SFP<\/td>\n<\/tr>\n
Flash<\/td>\n256 MB<\/td>\n<\/tr>\n
CPU<\/td>\n800 MHz ARM<\/td>\n<\/tr>\n
CPU memory<\/td>\n512 MB<\/td>\n<\/tr>\n
Packet buffer<\/td>\n3 MB<\/td>\n<\/tr>\n
Unit dimensions (W x H x D)<\/td>\n445 x 273 x 44 mm (17.5 x 10.73 x 1.73 in)<\/td>\n<\/tr>\n
Unit weight<\/td>\n3.95 kg (8.71 lb)<\/td>\n<\/tr>\n
Power<\/td>\n100 to 240V 50 to 60 Hz, internal<\/td>\n<\/tr>\n
System power consumption<\/td>\n110V=48.27W
\n\t\t\t220V=48.64W<\/td>\n<\/tr>\n
Heat dissipation (BTU\/hr)<\/td>\n165.96<\/td>\n<\/tr>\n
Certification<\/td>\nUL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A<\/td>\n<\/tr>\n
Operating temperature<\/td>\n23\u00b0 to 122\u00b0F (-5\u00b0 to 50\u00b0C)<\/td>\n<\/tr>\n
Storage temperature<\/td>\n-13\u00b0 to 158\u00b0F (-25\u00b0 to 70\u00b0C)<\/td>\n<\/tr>\n
Operating humidity<\/td>\n10% to 90%, relative, noncondensing<\/td>\n<\/tr>\n
Storage humidity<\/td>\n10% to 90%, relative, noncondensing<\/td>\n<\/tr>\n
Fan (number)<\/td>\n1<\/td>\n<\/tr>\n
Acoustic noise<\/td>\n25\u00b0C: 29.7 dBA<\/td>\n<\/tr>\n
MTBF at 25\u00b0C (hours)<\/td>\n1,452,667<\/td>\n<\/tr>\n
Layer 2 switching<\/td>\n<\/tr>\n
Spanning Tree Protocol (STP)<\/td>\nStandard 802.1d spanning tree support
\n\t\t\tFast convergence using 802.1w (Rapid Spanning Tree Protocol [RSTP]), enabled by default
\n\t\t\tMultiple spanning tree instances using 802.1s (MSTP); 8 instances are supported
\n\t\t\tPer-VLAN Spanning Tree Plus (PVST+); 126 instances are supported
\n\t\t\tRapid PVST+ (RPVST+); 126 instances are supported<\/td>\n<\/tr>\n
Port grouping\/link aggregation<\/td>\nSupport for IEEE 802.3ad Link Aggregation Control Protocol (LACP)
\n\t\t\tUp to 4 groups
\n\t\t\tUp to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad Link Aggregation Group (LAG)<\/td>\n<\/tr>\n
VLAN<\/td>\nSupport for up to 255 active VLANs simultaneously
\n\t\t\tPort-based and 802.1Q tag-based VLANs
\n\t\t\tManagement VLAN
\n\t\t\tGuest VLAN<\/td>\n<\/tr>\n
Voice VLAN<\/td>\nVoice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS. Auto voice capabilities deliver networkwide zero-touch deployment of voice endpoints and call control devices<\/td>\n<\/tr>\n
Layer 3 routing<\/td>\n<\/tr>\n
IPv4 routing<\/td>\n\n

Wire-speed routing of IPv4 packets<\/p>\n

\u00a0<\/p>\n

Up to 32 static routes and up to 16 IP interfaces<\/p>\n<\/td>\n<\/tr>\n

IPv6 routing<\/td>\nWire-speed routing of IPv6 packets<\/td>\n<\/tr>\n
Layer 3 interface<\/td>\nConfiguration of Layer 3 interface on physical port, LAG, VLAN interface, or loopback interface<\/td>\n<\/tr>\n
Dynamic Host Configuration Protocol (DHCP) relay at Layer 3<\/td>\nRelay of DHCP traffic across IP domains<\/td>\n<\/tr>\n
User Datagram Protocol (UDP) relay<\/td>\nRelay of broadcast information across Layer 3 domains for application discovery or relaying of Bootstrap Protocol (BootP)\/DHCP packets<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
Chi Ti\u1ebft:CBS250-48T-4G-EU Switch Cisco 48 10\/100\/1000 ports, 4 GE SFP<\/div>\n","protected":false},"featured_media":63021,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[2704],"product_cat":[2473],"product_tag":[],"class_list":["post-62996","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-cbs-250-series","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/product\/62996","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/comments?post=62996"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/media\/63021"}],"wp:attachment":[{"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/media?parent=62996"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/product_brand?post=62996"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/product_cat?post=62996"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/itsystems.vn\/store\/wp-json\/wp\/v2\/product_tag?post=62996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}