{"id":89965,"date":"2026-09-08T18:56:58","date_gmt":"2026-09-08T18:56:58","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-c2921-ax-k9-cisco-2921-router-rack-mountable\/"},"modified":"2026-09-08T18:57:09","modified_gmt":"2026-09-08T18:57:09","slug":"refurbished-c2921-ax-k9-cisco-2921-router-rack-mountable","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/refurbished-c2921-ax-k9-cisco-2921-router-rack-mountable\/","title":{"rendered":"Refurbished C2921-AX\/K9 Cisco 2921 router rack mountable"},"content":{"rendered":"<p>Refurbished C2921-AX\/K9 Technical Specifications<\/p>\n<p>Cisco 2921 router rack mountable<\/p>\n<p>Manufacturer Cisco Systems, Inc<\/p>\n<p>Manufacturer Part Number C2921-AX\/K9<\/p>\n<p>Brand Name Cisco<\/p>\n<p>Product Series 2900<\/p>\n<p>Product Model 2921<\/p>\n<p>Product Name 2921 w\/3 GE,4 EHWIC,1 SM,256MB CF,1GB DRAM,IPB,SEC, AX<\/p>\n<p>Product Type Router<\/p>\n<p>Technical Information\u2212<\/p>\n<p>Interfaces\/Ports<\/p>\n<p>Total Number of Ports 3<\/p>\n<p>USB Yes<\/p>\n<p>Powerline No<\/p>\n<p>Management Port Yes<\/p>\n<p>Token Ring Port No<\/p>\n<p>Serial V.35 Interface No<\/p>\n<p>Number of Broadband (RJ-45) Ports 3<\/p>\n<p>I\/O Expansions<\/p>\n<p>Number of Total Expansion Slots 6<\/p>\n<p>Expansion Slot Type SFP, HWIC<\/p>\n<p>Network &#038; Communication<\/p>\n<p>Network Technology 10\/100\/1000Base-T<\/p>\n<p>Ethernet Technology Gigabit Ethernet<\/p>\n<p>VoIP Supported Yes<\/p>\n<p>Management &#038; Protocols<\/p>\n<p>Security Features<\/p>\n<p>IPSec<\/p>\n<p>SSL<\/p>\n<p>Stateful Firewall<\/p>\n<p>DES<\/p>\n<p>3DES<\/p>\n<p>AES<\/p>\n<p>Intrusion Prevention<\/p>\n<p>Content Filtering<\/p>\n<p>Memory<\/p>\n<p>Standard Memory 1 GB<\/p>\n<p>Maximum Memory Supported 2 GB<\/p>\n<p>Memory Technology DDR2 SDRAM<\/p>\n<p>Flash Memory 256 MB<\/p>\n<p>Memory Card Supported CompactFlash<\/p>\n<p>Power Description<\/p>\n<p>PoE (RJ-45) Port No<\/p>\n<p>Input Voltage 110 V AC, 220 V AC<\/p>\n<p>Redundant Power Supply Supported Yes<\/p>\n<p>Physical Characteristics<\/p>\n<p>Compatible Rack Unit 2U<\/p>\n<p>Form Factor Rack-mountable<\/p>\n<p>Height 3.5\u2033<\/p>\n<p>Width 17.3\u2033<\/p>\n<p>Depth 18.5\u2033<\/p>\n<p>Weight (Approximate) 29 lb<\/p>\n<p>Miscellaneous<\/p>\n<p>Package Contents<\/p>\n<p>2921 Integrated Services Router<\/p>\n<p>4 x EHWIC<\/p>\n<p>1 x SM<\/p>\n<p>Certifications &#038; Standards Safety:<\/p>\n<p>UL 60950-1<\/p>\n<p>CAN\/CSA<\/p>\n<p>C22.2 No. 60950-1<\/p>\n<p>EN 60950-1<\/p>\n<p>AS\/NZS 60950-1<\/p>\n<p>IEC 60950-1<\/p>\n<p>EMC:<\/p>\n<p>47 CFR, Part 15<\/p>\n<p>ICES-003 Class A<\/p>\n<p>EN55022 Class A<\/p>\n<p>CISPR22 Class A<\/p>\n<p>AS\/NZS 3548 Class A<\/p>\n<p>VCCI V-3<\/p>\n<p>CNS 13438<\/p>\n<p>EN 300-386<\/p>\n<p>EN 61000 (Immunity)<\/p>\n<p>EN 55024<\/p>\n<p>CISPR 24<\/p>\n<p>EN50082-1<\/p>\n<p>Telecom:<\/p>\n<p>TIA\/EIA\/IS-968<\/p>\n<p>CS-03<\/p>\n<p>ANSI T1.101<\/p>\n<p>ITU-T G.823, G.824<\/p>\n<p>IEEE 802.3<\/p>\n<p>RTTE Directive<\/p>\n<p>Compliant Standards:<\/p>\n<p>ANSI T1.101<\/p>\n<p>IEEE 802.1ag<\/p>\n<p>IEEE 802.1ah<\/p>\n<p>IEEE 802.1Q<\/p>\n<p>IEEE 802.3af<\/p>\n<p>IEEE 802.3ah<\/p>\n<p>ITU-T G.823<\/p>\n<p>ITU-T G.824<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Refurbished C2921-AX\/K9 Overview<\/p>\n<p>Cisco 2900 Series Integrated Services Routers build on 25 years of Cisco innovation and product leadership. The new platforms are architected to enable the next phase of branch-office evolution, providing rich media collaboration and virtualization to the branch while maximizing operational cost savings The Integrated Services Routers Generation 2 platforms are future-enabled with multi-core CPUs, support for high capacity DSPs (Digital Signal Processors) for future enhanced video capabilities, high powered service modules with improved availability, Gigabit Ethernet switching with enhanced POE, and new energy monitoring and control capabilities while enhancing overall system performance.<\/p>\n","protected":false},"featured_media":89966,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[255],"product_cat":[691,347,626],"product_tag":[9548,692,723],"class_list":["post-89965","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-cisco-refurbished-routers","product_cat-refurbished","product_cat-refurbished-routers","product_tag-cisco-2900-series-router","product_tag-gigabit-ethernet-router","product_tag-integrated-services-router","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Refurbished C2921-AX\/K9 Cisco 2921 router rack mountable - Geek Tech Sol<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/geektechsol.com\/index.php\/product\/refurbished-c2921-ax-k9-cisco-2921-router-rack-mountable\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Refurbished C2921-AX\/K9 Cisco 2921 router rack mountable - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"Refurbished C2921-AX\/K9 Overview Cisco 2900 Series Integrated Services Routers build on 25 years of Cisco innovation and product leadership. 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