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CISCO857W-G-J-K9
ADSL SOHO Router with 802.11g Japan Compliant
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CISCO857W-G-J-K9 is a robust, fixed-architecture router engineered to provide high-performance integrated services across WAN and LAN interfaces. It delivers secure connectivity through advanced VPN features—including IPSec, SSL VPN, and DMVPN—while supporting redundant AC power options to ensure uninterrupted operation in demanding enterprise environments.
Designed for versatility and reliability, the Cisco 857W-G-J-K9 integrates voice and video services with built-in firewall protection and high availability features. Its balanced throughput and streamlined performance, combined with essential routing protocols and dual connectivity—both wired and wireless—make it ideally suited for enterprise and small business use cases.
CISCO857W-G-J-K9 price is is available on request. Get immediate quote.
Request bulk order quote for CISCO857W-G-J-K9 for additional pricing. Browse the full Router Isr 800 series or explore all Cisco products.
In a Tokyo-based consulting firm with three small branch offices, the CISCO857W-G-J-K9-ADSL SOHO Router with 802.11g Japan Compliant delivers reliable ADSL uplinks and seamless inter-branch VPN tunnels. Benefit: Enables secure, high-availability data exchange and centralized network management, reducing operational downtime by 30% and lowering WAN costs.
A nationwide convenience store chain deploys the CISCO857W-G-J-K9-ADSL SOHO Router in its regional outlets to support 802.11g wireless terminals and PCI-DSS-compliant VPNs back to headquarters. Benefit: Provides end-to-end encryption for payment data and scalable wireless performance, enhancing transaction security and boosting checkout throughput by 25%.
A legal services company equips its home-based attorneys with the CISCO857W-G-J-K9-ADSL SOHO Router to establish encrypted ADSL connections and secure guest Wi-Fi for mobile devices. Benefit: Ensures enterprise-grade network security and policy enforcement at remote sites, improving teleworker productivity by 40% and maintaining compliance with Japan’s data privacy regulations.
To get the detailed certification, please go to the Compliance Center.
| CISCO857W-G-J-K9 |  CISCO871-K9 |  CISCO891-K9 |  CISCO877W-G-J-K9 |  CISCO881G-G-K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | N/A | N/A | N/A | DSL | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention / VPN |
| Compliance Standards | FCC, CE, UL | FCC / CE | FCC, CE | FCC, CE | FCC, CE, UL |
| Connectivity Type | Wired / Wireless / Ethernet | Wired | Wired | Wired / Wireless | Wired |
| Depth | N/A | N/A | 9.06 inches | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | N/A | N/A | EHWIC | N/A | EHWIC |
| Features | VPN / Voice / Video / Firewall / IPv6 Compatible | VPN / Firewall / IPv6 Compatible / VoIP | VPN / IPv6 Compatible / Firewall | VPN, Firewall, NAT, QoS, Voice | VPN / IPv6 Compatible / Firewall / Voice / Video |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 256 MB | 128 MB | 256 MB |
| Form Factor | Rack-mount | Desktop | Desktop | Desktop | Desktop |
| Height | N/A | N/A | 1.73 inches | N/A | N/A |
| High Availability Support | Supported | Not Supported | Supported | Not Supported | Not Supported |
| Integrated Services | Voice / Video | Voice | Voice / Video | Voice / Data | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 / SFP | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | N/A | N/A | 1 Slot | N/A | 1 Slot |
| Network Protocols | IPv4, IPv6, TCP/IP, UDP | IPv4, IPv6 | IPv4 / IPv6 | TCP/IP, PPP, PPPoE | IPv4, IPv6 |
| Power | 60 Watt | 26W | 25 Watt | External AC Adapter | 65 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco 857W Series Integrated Services Router | CISCO871-K9 Integrated Services Router | CISCO891-K9 Integrated Services Router | Cisco 877W Integrated Services Router | CISCO881G-G-K9 |
| Product Type | Enterprise Router | Enterprise Router | Integrated Services Router | Integrated Services Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | HTTPS, SSH, SNMP | CLI / SNMP / HTTP / HTTPS | CLI / Web-based | CLI, Web-based | CLI, SNMP, HTTP, HTTPS |
| Routing Protocols | OSPF / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / RIP / Static Routing | RIP / OSPF / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | N/A | N/A | Gigabit | Fast Ethernet | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.05 Gbps | 0.15 Gbps | 0.1 Gbps | 15 Mbps | 0.045 Gbps |
| Use Case | Enterprise / Small Business | Business | Business | Small Business | Small Business / Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN | IPSec | IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A |
| WAN Configuration | WAN | WAN | Dual WAN | WAN | WAN |
| WAN Ports | 1 WAN | 1 WAN | 1 WAN | 1 WAN | 1 WAN |
| Weight | N/A | N/A | 8.96 lbs | N/A | N/A |
| Wi-Fi Standard | WiFi 4 | N/A | N/A | 802.11b/g | N/A |
| Width | N/A | N/A | 8.27 inches | N/A | N/A |
| Wireless Support | Yes | No | No | Yes | No |
Reliable ADSL SOHO router with stable 802.11g wireless. Ideal for small offices needing Japan-compliant connectivity.
Cisco 857W-G-J-K9 delivers consistent performance and predictable uptime. Easy to deploy and manage.
Handles small office traffic efficiently. Wireless coverage is strong and reliable.
Durable router with simple configuration. Ensures secure and consistent connectivity for SOHO networks.
Stable ADSL and wireless performance. Cisco quality guarantees smooth daily operations.
The Cisco 857W-G-J-K9 combines ADSL2/2+ broadband, 802.11g wireless, four 10/100 Ethernet LAN ports, NAT firewall, IPsec VPN and Japan compliance in a compact SOHO design.
Yes, the Cisco 857W-G-J-K9 meets all Japan Telecom ADSL regulations, including frequency masks and power limits, for plug-and-play operation on Japanese DSL networks.
Log in to the web GUI at 192.168.1.1, select ADSL as WAN type, enter VPI/VCI values provided by your ISP, set PPPoE credentials, then save and reboot.
The integrated 802.11g radio delivers up to 54 Mbps gross data rate, supporting WEP, WPA-TKIP and WPA2-AES encryption for secure SOHO deployments.
Yes, it supports up to three simultaneous IPsec tunnels with DES, 3DES or AES encryption, Perfect Forward Secrecy and pre-shared key authentication.
The device features four integrated 10/100 Mbps Ethernet LAN ports with auto-MDIX for immediate connection to PCs, switches or printers.
Yes, it includes a stateful inspection firewall, NAT, SPI and zone-based security to protect your SOHO network from unsolicited inbound traffic.
The router operates on 12 V DC at 2 A (minimum), supplied by the included AC adapter, and consumes less than 15 W under full load.
Download the latest IOS from Cisco.com, log in to the web GUI, navigate to Administration → Firmware Upgrade, upload the .tar file and reboot.
Cisco offers a limited one-year hardware warranty with return-to-factory replacement and 90 days of complimentary technical support.
Yes, the platform supports basic IPv6 forwarding, DHCPv6 client/server, static routing and tunneling over IPv4 networks.
Press and hold the reset button on the rear panel for 10 seconds until the SYS LED blinks, then release to restore original factory settings.
The router supports WEP (64/128-bit), WPA-PSK/WPA2-PSK (TKIP/AES) and enterprise WPA/WPA2 with 802.1X RADIUS authentication.
Absolutely. Its all-in-one design, integrated security, VPN and wireless capabilities make it ideal for secure SOHO and home network deployments.
Visit Cisco’s official support site, search for “CISCO857W-G-J-K9,” and download the PDF under Documentation → Installation & Configuration Guides.
Yes, it interoperates with ADSL, ADSL2 and ADSL2+ networks, delivering downstream rates up to 24 Mbps and upstream rates up to 1 Mbps.
You need a PC with a web browser (IE11, Edge, Chrome or Firefox), Ethernet port, TCP/IP stack and an active ADSL line for setup.