{"id":86367,"date":"2026-09-08T17:02:49","date_gmt":"2026-09-08T17:02:49","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-cisco2921-sec-k9-cisco-2921-security-router\/"},"modified":"2026-09-08T17:03:10","modified_gmt":"2026-09-08T17:03:10","slug":"refurbished-cisco2921-sec-k9-cisco-2921-security-router","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/refurbished-cisco2921-sec-k9-cisco-2921-security-router\/","title":{"rendered":"Refurbished CISCO2921-SEC\/K9 Cisco 2921 Security Router"},"content":{"rendered":"<p>Refurbished CISCO2921-SEC\/K9 Technical Specifications<\/p>\n<p>Cisco 2921 Security Router w\/3 GE,4 EHWIC,3 DSP,1 SM<\/p>\n<p>General Information<\/p>\n<p>Manufacturer: Cisco Systems, Inc<\/p>\n<p>Manufacturer Part Number: CISCO2921-SEC\/K9<\/p>\n<p>Brand Name: Cisco<\/p>\n<p>Product Series: Cisco 2900<\/p>\n<p>Product Model: CISCO2921<\/p>\n<p>Product Name: 2921 Integrated Services Router<\/p>\n<p>Ethernet Technology: Gigabit Ethernet<\/p>\n<p>Product Type: Router<\/p>\n<p>Interfaces\/Ports<\/p>\n<p>Total Number of Ports: 3<\/p>\n<p>USB: Yes<\/p>\n<p>Management Port: Yes<\/p>\n<p>Number of Broadband (RJ-45) Ports: 3<\/p>\n<p>I\/O Expansions<\/p>\n<p>Number of Total Expansion Slots: 12<\/p>\n<p>Expansion Slot Type: SFP (mini-GBIC)<\/p>\n<p>Expansion Slot Type: HWIC<\/p>\n<p>Expansion Slot Type: PVDM<\/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>Memory<\/p>\n<p>Standard Memory: 512 MB<\/p>\n<p>Maximum Memory: 2.50 GB<\/p>\n<p>Memory Technology: SDRAM<\/p>\n<p>Flash Memory: 256 MB<\/p>\n<p>Memory Card Supported: CompactFlash (CF) Card<\/p>\n<p>Power Description<\/p>\n<p>Input Voltage: 110 V AC<\/p>\n<p>Input Voltage: 220 V AC<\/p>\n<p>Power Source: Power Supply<\/p>\n<p>Redundant Power Supply: Yes<\/p>\n<p>Miscellaneous<\/p>\n<p>Additional Information:<\/p>\n<p>High-density-packet voice DSP module, optimized for voice and video support<\/p>\n<p>Standards-certified VoiceXML browser services<\/p>\n<p>Cisco Unified Border Element capabilities<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Refurbished CISCO2921-SEC\/K9 Overview<\/p>\n<p>The Cisco 2921 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application service. The modular design of the router provides maximum flexibility, allowing you to configure your router to meet evolving needs. The routers offer features such as hardware-based virtual private network (VPN) encryption acceleration, intrusion-protection and firewall functions, and optional integrated call processing and voice mail.<\/p>\n","protected":false},"featured_media":86368,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[255],"product_cat":[691,347,626],"product_tag":[9548,677,723,628,1052],"class_list":["post-86367","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-servers","product_tag-integrated-services-router","product_tag-router","product_tag-sfp-router","first","instock","shipping-taxable","purchasable","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 CISCO2921-SEC\/K9 Cisco 2921 Security Router - 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=\"https:\/\/geektechsol.com\/index.php\/product\/refurbished-cisco2921-sec-k9-cisco-2921-security-router\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Refurbished CISCO2921-SEC\/K9 Cisco 2921 Security Router - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"Refurbished CISCO2921-SEC\/K9 Overview The Cisco 2921 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application service. The modular design of the router provides maximum flexibility, allowing you to configure your router to meet evolving needs. 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