{"id":90468,"date":"2026-09-08T19:06:13","date_gmt":"2026-09-08T19:06:13","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-c891fw-e-k9-cisco-891fw-wireless-router-isdn-mdm\/"},"modified":"2026-09-08T19:06:13","modified_gmt":"2026-09-08T19:06:13","slug":"refurbished-c891fw-e-k9-cisco-891fw-wireless-router-isdn-mdm","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/refurbished-c891fw-e-k9-cisco-891fw-wireless-router-isdn-mdm\/","title":{"rendered":"Refurbished C891FW-E-K9 Cisco 891FW Wireless Router ISDN\/Mdm"},"content":{"rendered":"<p>Refurbished C891FW-E-K9 Technical Specification<\/p>\n<p>Cisco 891FW Wireless Router ISDN\/Mdm<\/p>\n<p>General<\/p>\n<p>Device Type Wireless router \u2013 8-port switch (integrated)<\/p>\n<p>Enclosure Type Desktop<\/p>\n<p>Connectivity Technology Wireless, wired<\/p>\n<p>Data Link Protocol Ethernet, Fast Ethernet, Gigabit Ethernet, IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n<\/p>\n<p>Frequency Band 2.4 GHz \/ 5 GHz<\/p>\n<p>Capacity Connection \/ user qty: 50<\/p>\n<p>Network \/ Transport Protocol L2TP, RSVP, IPSec, FTP, DHCP, DNS, L2TPv3, DDNS<\/p>\n<p>Routing Protocol OSPF, RIP-1, RIP-2, BGP, EIGRP, HSRP, VRRP, NHRP, GRE, policy-based routing (PBR), WCCP, Bidirectional Forwarding Detection (BFD)<\/p>\n<p>Remote Management Protocol Telnet, SNMP 3, HTTP, SSH, CLI<\/p>\n<p>Encryption Algorithm LEAP, DES, Triple DES, SSL, PEAP, TKIP, PKI, 128-bit AES, 192-bit AES, 256-bit AES<\/p>\n<p>Authentication Method RADIUS, TACACS+<\/p>\n<p>Features NAT support, power over Ethernet (PoE), VPN support, load balancing, VLAN support, auto-uplink (auto MDI\/MDI-X), IGMP snooping, traffic shaping, Stateful Packet Inspection (SPI), content filtering, DiffServ support, MAC address filtering, IPv6 support, High Availability, Intrusion Prevention System (IPS), URL filtering, Stateful Failover, Low-latency queuing (LLQ), Class-Based Weighted Fair Queuing (CBWFQ), Weighted Fair Queuing (WFQ), Spanning Tree Protocol (STP) support, Access Control List (ACL) support, Quality of Service (QoS), Link Fragmentation and Interleaving (LFI), Dynamic Multipoint VPN (DMVPN), WAN failover, DHCP server, Virtual Route Forwarding-Lite (VRF-Lite), DNS proxy, CleanAir technology, Bidirectional Forwarding Detection (BFD), fanless, Virtual Routing and Forwarding (VRF), Class of Service (CoS)<\/p>\n<p>Compliant Standards IEEE 802.1D, IEEE 802.1Q, IEEE 802.1x, IEEE 802.3ah, IEEE 802.1ag, ETSI, CISPR 24, EN 61000-3-2, EN55022, ICES-003, EN 61000-3-3, EN55024, CISPR 22, EN50082-1, EN55022 Class B, ICES-003 Class B, EN 61000-6-1, AS\/NZ 3548 Class B, EN 60555-2, FCC CFR47 Part 15, FCC CFR47 Part 15 B, VCCI V-3, EN 300 386<\/p>\n<p>RAM 1 GB (installed) \/ 1 GB (max)<\/p>\n<p>Flash Memory 256 MB (installed) \/ 256 MB (max)<\/p>\n<p>Status Indicators Port status, power<\/p>\n<p>Expansion \/ Connectivity<\/p>\n<p>Interfaces LAN: 8 x 10Base-T\/100Base-TX\/1000Base-T \u2013 RJ-45 \u00a6 WAN: 1 x SFP (mini-GBIC) \u00a6 WAN: 1 x 10Base-T\/100Base-TX \u2013 RJ-45 \u00a6 WAN: 1 x 10Base-T\/100Base-TX\/1000Base-T \u2013 RJ-45 \u00a6 Management: 1 x RJ-45 \u00a6 USB 2.0: 1 x 4 pin USB Type A \u00a6 1 x modem \u00a6 1 x BRI<\/p>\n<p>Power<\/p>\n<p>Power Device External power adapter \u2013 60 Watt<\/p>\n<p>Voltage Required AC 120\/230 V (50\/60 Hz)<\/p>\n<p>Software \/ System Requirements<\/p>\n<p>OS Provided Cisco IOS Advanced IP services<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Refurbished C891FW-E-K9 Overview<\/p>\n<p>Cisco 891FW \u2013 Wireless Router \u2013 ISDN\/Mdm \u2013 802.11a\/b\/g\/n \u2013 Resktop<\/p>\n","protected":false},"featured_media":90469,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[255],"product_cat":[691,347,626],"product_tag":[1027,9549],"class_list":["post-90468","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-8-ports-router","product_tag-isdn-router","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - 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