{"id":15290,"date":"2025-09-29T11:50:14","date_gmt":"2025-09-29T11:50:14","guid":{"rendered":"https:\/\/greencode.ge\/?post_type=product&p=15290"},"modified":"2025-09-29T11:50:14","modified_gmt":"2025-09-29T11:50:14","slug":"c921j-4p-2","status":"publish","type":"product","link":"https:\/\/greencode.ge\/en\/product\/c921j-4p-2\/","title":{"rendered":"C921J-4P"},"content":{"rendered":"\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

C921J-4P Specification<\/strong><\/h3>\n<\/td>\n<\/tr>\n

Description<\/strong><\/td>\nCisco 921J Gigabit Ethernet security router with external power supply for Japan only<\/td>\n<\/tr>\n
WAN interfaces<\/strong><\/td>\n2 ports Gigabit Ethernet (GE)<\/td>\n<\/tr>\n
LAN interfaces<\/strong><\/td>\n4-port 10\/100\/1000-Mbps managed switch<\/td>\n<\/tr>\n
Integrated USB 2.0<\/strong><\/td>\nYes<\/td>\n<\/tr>\n
Cisco IOS Software<\/strong><\/td>\n<\/tr>\n
IP and IP services<\/strong><\/td>\n\u25cf\u00a0\u00a0Routing Information Protocol Versions 1 and 2 (RIPv1 and RIPv2)<\/p>\n

\u25cf\u00a0\u00a0Generic Routing Encapsulation (GRE) and multipoint GRE (MGRE)<\/p>\n

\u25cf\u00a0\u00a0Cisco Express Forwarding<\/p>\n

\u25cf\u00a0\u00a0Standard 802.1d Spanning Tree Protocol<\/p>\n

\u25cf\u00a0\u00a0Layer 2 Tunneling Protocol (L2TP)<\/p>\n

\u25cf\u00a0\u00a0L2TP Version 3 (L2TPv3)<\/p>\n

\u25cf\u00a0\u00a0Network Address Translation (NAT)<\/p>\n

\u25cf\u00a0\u00a0Dynamic Host Configuration Protocol (DHCP) server, relay, and client<\/p>\n

\u25cf\u00a0\u00a0Dynamic DNS<\/p>\n

\u25cf\u00a0\u00a0DNS Proxy<\/p>\n

\u25cf\u00a0\u00a0DNS Spoofing<\/p>\n

\u25cf\u00a0\u00a0Access Control Lists (ACLs)<\/p>\n

\u25cf\u00a0\u00a0IPv4 and IPv6 multicast<\/p>\n

\u25cf\u00a0\u00a0Open Shortest Path First (OSPF)<\/p>\n

\u25cf\u00a0\u00a0Border Gateway Protocol (BGP)<\/p>\n

\u25cf\u00a0\u00a0Performance Routing (PfR)<\/p>\n

\u25cf\u00a0\u00a0Enhanced Interior Gateway Routing Protocol (EIGRP)<\/p>\n

\u25cf\u00a0\u00a0Virtual Route Forwarding (VRF) Lite<\/p>\n

\u25cf\u00a0\u00a0Next Hop Resolution Protocol (NHRP)<\/p>\n

\u25cf\u00a0\u00a0Bidirectional Forwarding Detection (BFD)<\/p>\n

\u25cf\u00a0\u00a0Web Cache Communication Protocol (WCCP)<\/p>\n

 <\/td>\n<\/tr>\n

Switch features<\/strong><\/td>\n\u25cf\u00a0\u00a0Auto Media Device In\/Media Device Cross Over (MDI-MDX)<\/p>\n

\u25cf\u00a0\u00a025 802.1Q VLANs<\/p>\n

\u25cf\u00a0\u00a0MAC filtering<\/p>\n

\u25cf\u00a0\u00a0Four-port 802.3af and Cisco compliant PoE<\/p>\n

\u25cf\u00a0\u00a0Switched Port Analyzer (SPAN)<\/p>\n

\u25cf\u00a0\u00a0Storm control<\/p>\n

\u25cf\u00a0\u00a0Smart ports<\/p>\n

\u25cf\u00a0\u00a0Secure MAC address<\/p>\n

\u25cf\u00a0\u00a0Internet Group Management Protocol Version 3 (IGMPv3) snooping<\/p>\n

\u25cf\u00a0\u00a0802.1X<\/td>\n<\/tr>\n

Security features<\/strong><\/td>\nSecure connectivity:<\/p>\n

\u25cf\u00a0\u00a0Secure Sockets Layer (SSL) VPN for secure remote access<\/p>\n

\u25cf\u00a0\u00a0Hardware-accelerated DES, 3DES, AES 128, AES 192, and AES 256<\/p>\n

\u25cf\u00a0\u00a0Public-Key-Infrastructure (PKI) support<\/p>\n

\u25cf\u00a0\u00a050 IPsec tunnels<\/p>\n

\u25cf\u00a0\u00a0Cisco Easy VPN client and server<\/p>\n

\u25cf\u00a0\u00a0NAT transparency<\/p>\n

\u25cf\u00a0\u00a0Dynamic Multipoint VPN (DMVPN)<\/p>\n

\u25cf\u00a0\u00a0Tunnel-less Group Encrypted Transport VPN (GET VPN)<\/p>\n

\u25cf\u00a0\u00a0VRF-aware IPsec<\/p>\n

\u25cf\u00a0\u00a0IPsec over IPv6<\/p>\n

\u25cf\u00a0\u00a0Adaptive control technology<\/p>\n

\u25cf\u00a0\u00a0Session Initiation Protocol (SIP) application-layer gateway<\/p>\n

\u25cf\u00a0\u00a0Cisco IOS Firewall:<\/p>\n

\u25e6\u00a0\u00a0\u00a0Zone-based policy firewall<\/p>\n

\u25e6\u00a0\u00a0\u00a0VRF-aware stateful inspection routing firewall<\/p>\n

\u25e6\u00a0\u00a0\u00a0Stateful inspection transparent firewall<\/p>\n

\u25cf\u00a0\u00a0Advanced application inspection and control<\/p>\n

\u25cf\u00a0\u00a0Secure HTTP (HTTPS), FTP, and Telnet Authentication Proxy<\/p>\n

\u25cf\u00a0\u00a0Dynamic and static port security<\/p>\n

\u25cf\u00a0\u00a0Firewall stateful failover<\/p>\n

\u25cf\u00a0\u00a0VRF-aware firewall<\/p>\n

\u25cf\u00a0\u00a0Cisco IOS Software black and white lists<\/p>\n

\u25cf\u00a0\u00a0Integrated threat control:<\/p>\n

\u25e6\u00a0\u00a0\u00a0Intrusion Prevention System (IPS)<\/p>\n

\u25cf\u00a0\u00a0Control plane policing<\/p>\n

\u25cf\u00a0\u00a0Flexible packet matching<\/p>\n

\u25cf\u00a0\u00a0Network foundation protection<\/td>\n<\/tr>\n

Quality of Service (QoS)<\/strong><\/td>\n\u25cf\u00a0\u00a0Low-Latency Queuing (LLQ)<\/p>\n

\u25cf\u00a0\u00a0Weighted Fair Queuing (WFQ)<\/p>\n

\u25cf\u00a0\u00a0Class-Based WFQ (CBWFQ)<\/p>\n

\u25cf\u00a0\u00a0Class-Based Traffic Shaping (CBTS)<\/p>\n

\u25cf\u00a0\u00a0Class-Based Traffic Policing (CBTP)<\/p>\n

\u25cf\u00a0\u00a0Policy-Based Routing (PBR)<\/p>\n

\u25cf\u00a0\u00a0Class-Based QoS MIB<\/p>\n

\u25cf\u00a0\u00a0Class of service (CoS)-to-differentiated services code point (DSCP) mapping<\/p>\n

\u25cf\u00a0\u00a0Class-Based Weighted Random Early Detection (CBWRED)<\/p>\n

\u25cf\u00a0\u00a0Network-Based Application Recognition (NBAR)<\/p>\n

\u25cf\u00a0\u00a0Link fragmentation and interleaving (LFI)<\/p>\n

\u25cf\u00a0\u00a0Resource Reservation Protocol (RSVP)<\/p>\n

\u25cf\u00a0\u00a0Real-Time Transport Protocol (RTP) header compression (cRTP)<\/p>\n

\u25cf\u00a0\u00a0Differentiated Services (DiffServ)<\/p>\n

\u25cf\u00a0\u00a0QoS preclassify and prefragmentation<\/p>\n

\u25cf\u00a0\u00a0Hierarchical QoS (HQoS)<\/td>\n<\/tr>\n

Management<\/strong><\/td>\n\u25cf\u00a0\u00a0Cisco Configuration Professional<\/p>\n

\u25cf\u00a0\u00a0Cisco Configuration Express<\/p>\n

\u25cf\u00a0\u00a0Cisco Configuration Engine support<\/p>\n

\u25cf\u00a0\u00a0Cisco AutoInstall<\/p>\n

\u25cf\u00a0\u00a0Cisco IP Service-Level Agreement (IP SLA)<\/p>\n

\u25cf\u00a0\u00a0Cisco IOS Embedded Event Manager (EEM)<\/p>\n

\u25cf\u00a0\u00a0CiscoWorks<\/p>\n

\u25cf\u00a0\u00a0Cisco Security Manager<\/p>\n

\u25cf\u00a0\u00a0Telnet, Simple Network Management Protocol Version 3 (SNMPv3), Secure Shell (SSH) Protocol, command-line interface (CLI), and HTTP management<\/p>\n

\u25cf\u00a0\u00a0RADIUS and TACACS+<\/p>\n

\u25cf\u00a0\u00a0Cisco Next Generation Plug-and-Play (NG PnP) Protocol<\/td>\n<\/tr>\n

High availability<\/strong><\/td>\n\u25cf\u00a0\u00a0Virtual Router Redundancy Protocol (VRRP) (RFC 2338)<\/p>\n

\u25cf\u00a0\u00a0HSRP<\/p>\n

\u25cf\u00a0\u00a0MHSRP<\/td>\n<\/tr>\n

Metro Ethernet<\/strong><\/td>\n\u25cf\u00a0\u00a0Ethernet OA&M<\/p>\n

\u25cf\u00a0\u00a0Ethernet Local Management Interface (E-LMI)<\/p>\n

\u25cf\u00a0\u00a0IP SLA for Ethernet<\/td>\n<\/tr>\n

IPv6<\/strong><\/td>\n\u25cf\u00a0\u00a0IPv6 addressing architecture<\/p>\n

\u25cf\u00a0\u00a0IPv6 name resolution<\/p>\n

\u25cf\u00a0\u00a0IPv6 statistics<\/p>\n

\u25cf\u00a0\u00a0IPv6 translation: Transport packets between IPv6-only and IPv4-only endpoints (NAT-Protocol Translation)<\/p>\n

\u25cf\u00a0\u00a0Internet Control Message Protocol Version 6 (ICMPv6)<\/p>\n

\u25cf\u00a0\u00a0IPv6 DHCP<\/p>\n

\u25cf\u00a0\u00a0OSPFv3<\/p>\n

\u25cf\u00a0\u00a0BGP4+<\/p>\n

\u25cf\u00a0\u00a0IPv6 path maximum transmission unit (PMTU)<\/p>\n

\u25cf\u00a0\u00a0IPv6 neighbor discovery<\/p>\n

\u25cf\u00a0\u00a0IPv6 stateless address autoconfiguration (SLAAC)<\/p>\n

\u25cf\u00a0\u00a0IPv6 multicast routing<\/td>\n<\/tr>\n

Application visibility and control<\/strong><\/td>\n\u25cf\u00a0\u00a0NBAR2<\/p>\n

\u25cf\u00a0\u00a0Flexible NetFlow (FNF)<\/p>\n

\u25cf\u00a0\u00a0Performance Agent<\/td>\n<\/tr>\n

Number of recommended users<\/strong><\/td>\n\u25cf\u00a0\u00a050<\/td>\n<\/tr>\n
Default and maximum DRAM<\/strong><\/td>\n\u25cf\u00a0\u00a0Default 1 GB<\/td>\n<\/tr>\n
Default and maximum flash memory<\/strong><\/td>\n\u25cf\u00a0\u00a02 GB on all Cisco 900J Series ISR models; not upgradable<\/td>\n<\/tr>\n
WAN<\/strong><\/td>\n\u25cf\u00a0\u00a0Refer to Table 2 for details<\/td>\n<\/tr>\n
LAN switch<\/strong><\/td>\n\u25cf\u00a0\u00a0Refer to Table 2 for details<\/td>\n<\/tr>\n
Separate console ports<\/strong><\/td>\n\u25cf\u00a0\u00a0RJ-45<\/td>\n<\/tr>\n
USB 2.0<\/strong><\/td>\n\u25cf\u00a0\u00a0One USB 2.0 Type A port available<\/td>\n<\/tr>\n
Physical dimensions and\u00a0weight<\/strong><\/td>\nWeight: 2.04 lb (0.924 kg) maximum<\/p>\n

Product dimensions:<\/p>\n

\u25cf\u00a0\u00a0H x W x D = 1.10 x 8.50 x 6.50 in. (2.80 x 21.59 x 16.51 cm) (includes rubber feet)<\/td>\n<\/tr>\n

External power supply<\/strong><\/td>\nPower specifications:<\/p>\n

\u25cf\u00a0\u00a0External power supply<\/p>\n

\u25cf\u00a0\u00a0AC input voltage: Universal 100 to 240 VAC<\/p>\n

\u25cf\u00a0\u00a0Frequency: 50 to 60 Hz<\/p>\n

\u25cf\u00a0\u00a0Maximum output power: 18W<\/p>\n

\u25cf\u00a0\u00a0Output voltages: 12 VDC<\/td>\n<\/tr>\n

Approvals and compliance<\/strong><\/td>\nSafety:<\/p>\n

\u25cf\u00a0\u00a0IEC 60950-1, 2nd Edition with Amendment 1 and Amendment 2 with Japan national deviations<\/p>\n

Emissions:<\/p>\n

\u25cf\u00a0\u00a047 CFR Part 15: 2006<\/p>\n

\u25e6\u00a0\u00a0\u00a0CISPR22: 2005<\/p>\n

\u25e6\u00a0\u00a0\u00a0EN300386: V1.3.3: 2005<\/p>\n

\u25e6\u00a0\u00a0\u00a0EN55022: 2006<\/p>\n

\u25e6\u00a0\u00a0\u00a0EN61000-3-2: 2000 [+ amd 1 & 2]<\/p>\n

\u25e6\u00a0\u00a0\u00a0EN61000-3-3: 1995 [+ amd 1: 2001]<\/p>\n

\u25e6\u00a0\u00a0\u00a0ICES-003 Issue 4: 2004<\/p>\n

\u25e6\u00a0\u00a0\u00a0KN 22: 2005<\/p>\n

\u25cf\u00a0\u00a0VCCI: V-3\/2006.04<\/p>\n

Immunity:<\/p>\n

\u25cf\u00a0\u00a0CISPR24: 1997 [+ amd 1 & 2]<\/p>\n

\u25e6\u00a0\u00a0\u00a0EN300386: V1.3.3: 2005<\/p>\n

\u25e6\u00a0\u00a0\u00a0EN50082-1: 1992<\/p>\n

\u25e6\u00a0\u00a0\u00a0EN50082-1: 1997<\/p>\n

\u25e6\u00a0\u00a0\u00a0EN55024: 1998 [+ amd 1 & 2]<\/p>\n

\u25e6\u00a0\u00a0\u00a0EN61000-6-1: 2001<\/td>\n<\/tr>\n

Environmental operating\u00a0range<\/strong><\/td>\n\u25cf\u00a0\u00a0Nonoperating temperature: -40\u00b0 to 158\u00b0F (-40\u00b0 to 70\u00b0C)<\/p>\n

\u25cf\u00a0\u00a0Nonoperating humidity: 5% to 95% relative humidity (noncondensing)<\/p>\n

\u25cf\u00a0\u00a0Nonoperating altitude: 0 to 15,000 ft (0 to 4570 m)<\/p>\n

\u25cf\u00a0\u00a0Operating temperature: 0\u00b0 to 45\u00b0C (de-rate 1\u00b0C per 1000-ft increase in altitude)<\/p>\n

\u25cf\u00a0\u00a0Operating humidity: 5% to 95% relative humidity (noncondensing)<\/p>\n

\u25cf\u00a0\u00a0Operating altitude: 0 to 10,000 ft (0 to 3000 m)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"

< tbody ><\/p>\n\n\n\n\n
Model:<\/td>\nC921J-4P – Cisco 921J Gigabit Ethernet security router with external power supply for Japan only<\/td>\n<\/tr>\n
Detail:<\/td>\nCisco 921J Gigabit Ethernet security router with external power supply for Japan only<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"featured_media":54604,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[557],"product_tag":[],"class_list":{"0":"post-15290","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cisco-router-isr-900-cisco-routers","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/product\/15290","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/comments?post=15290"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/media\/54604"}],"wp:attachment":[{"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/media?parent=15290"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/product_brand?post=15290"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/product_cat?post=15290"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/product_tag?post=15290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}