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Name:
CISCO857W-G-J-K9
- Description:
- ADSL SOHO Router with 802.11g Japan Compliant
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3 Year Extended Warranty
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Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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CISCO857W-G-J-K9 Overview
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.
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CISCO857W-G-J-K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN / DMVPN |
| Power Source | AC Power Supply / Redundant |
| Routing Protocols | OSPF / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Fixed |
| WAN Configuration | WAN |
| WAN Ports | 1 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | WiFi 4 |
| Connectivity Type | Wired / Wireless / Ethernet |
| Network Protocols | IPv4, IPv6, TCP/IP, UDP |
| Remote Management | HTTPS, SSH, SNMP |
| Compliance Standards | FCC, CE, UL |
| Wireless Support | Yes |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN / Voice / Video / Firewall / IPv6 Compatible |
| Use Case | Enterprise / Small Business |
| Management | Managed |
| Form Factor | Rack-mount |
| Integrated Services | Voice / Video |
| High Availability Support | Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 0.05 Gbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention |
| Expansion Slots | N/A |
| Modular Slots Available | N/A |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 256 MB |
| Flash Memory | 128 MB |
| Interface Ports | RJ-45 / SFP |
| Power | 60 Watt |
| Device Type | Router |
| Product Name | Cisco 857W Series Integrated Services Router |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
CISCO857W-G-J-K9 Use Case
Small Business Branch Connectivity Optimization
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.
Retail Point-of-Sale Secure Wireless Deployment
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%.
Remote Office Teleworker Integration
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | N/A | N/A | DSL | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / VPN | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE | FCC, CE, UL | FCC, CE | FCC / CE | FCC, CE, UL |
| Connectivity Type | Wired | Wired | Wired / Wireless | Wired | Wired / Wireless / Ethernet |
| Depth | 9.06 inches | N/A | N/A | 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 | EHWIC | EHWIC | N/A | N/A | N/A |
| Features | VPN / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall / Voice / Video | VPN, Firewall, NAT, QoS, Voice | VPN / Firewall / IPv6 Compatible / VoIP | VPN / Voice / Video / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 128 MB | 128 MB | 128 MB |
| Form Factor | Desktop | Desktop | Desktop | Desktop | Rack-mount |
| Height | 1.73 inches | N/A | N/A | N/A | N/A |
| High Availability Support | Supported | Not Supported | Not Supported | Not Supported | Supported |
| Integrated Services | Voice / Video | Voice / Video / WAN Optimization | Voice / Data | Voice | Voice / Video |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Modular Slots Available | 1 Slot | 1 Slot | N/A | N/A | N/A |
| Network Protocols | IPv4 / IPv6 | IPv4, IPv6 | TCP/IP, PPP, PPPoE | IPv4, IPv6 | IPv4, IPv6, TCP/IP, UDP |
| Power | 25 Watt | 65 W | External AC Adapter | 26W | 60 Watt |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply / Redundant |
| Product Name | CISCO891-K9 Integrated Services Router | CISCO881G-G-K9 | Cisco 877W Integrated Services Router | CISCO871-K9 Integrated Services Router | Cisco 857W Series Integrated Services Router |
| Product Type | Integrated Services Router | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI / Web-based | CLI, SNMP, HTTP, HTTPS | CLI, Web-based | CLI / SNMP / HTTP / HTTPS | HTTPS, SSH, SNMP |
| Routing Protocols | OSPF / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | RIP / OSPF / EIGRP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | Gigabit | N/A | Fast Ethernet | N/A | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.1 Gbps | 0.045 Gbps | 15 Mbps | 0.15 Gbps | 0.05 Gbps |
| Use Case | Business | Small Business / Enterprise | Small Business | Business | Enterprise / Small Business |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A | IPSec | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN |
| WAN Configuration | Dual WAN | WAN | WAN | WAN | WAN |
| WAN Ports | 1 WAN | 1 WAN | 1 WAN | 1 WAN | 1 WAN |
| Weight | 8.96 lbs | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | 802.11b/g | N/A | WiFi 4 |
| Width | 8.27 inches | N/A | N/A | N/A | N/A |
| Wireless Support | No | No | Yes | No | Yes |
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Questions & Answers
Q
What are the key features of the Cisco 857W-G-J-K9 ADSL SOHO Router?
A
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.
Q
Is the Cisco 857W-G-J-K9 compliant with Japanese ADSL standards?
A
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.
Q
How do I configure the Cisco 857W-G-J-K9 for an ADSL broadband connection?
A
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.
Q
What is the maximum wireless throughput of the 802.11g radio?
A
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.
Q
Can the Cisco 857W-G-J-K9 establish site-to-site VPN tunnels?
A
Yes, it supports up to three simultaneous IPsec tunnels with DES, 3DES or AES encryption, Perfect Forward Secrecy and pre-shared key authentication.
Q
How many LAN ports are available on the Cisco 857W-G-J-K9?
A
The device features four integrated 10/100 Mbps Ethernet LAN ports with auto-MDIX for immediate connection to PCs, switches or printers.
Q
Does the Cisco 857W-G-J-K9 include a built-in firewall?
A
Yes, it includes a stateful inspection firewall, NAT, SPI and zone-based security to protect your SOHO network from unsolicited inbound traffic.
Q
What are the power requirements for the Cisco 857W-G-J-K9?
A
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.
Q
How do I update the firmware on the Cisco 857W-G-J-K9?
A
Download the latest IOS from Cisco.com, log in to the web GUI, navigate to Administration → Firmware Upgrade, upload the .tar file and reboot.
Q
What is the warranty period for the Cisco 857W-G-J-K9?
A
Cisco offers a limited one-year hardware warranty with return-to-factory replacement and 90 days of complimentary technical support.
Q
Does the Cisco 857W-G-J-K9 support IPv6?
A
Yes, the platform supports basic IPv6 forwarding, DHCPv6 client/server, static routing and tunneling over IPv4 networks.
Q
How do I reset the Cisco 857W-G-J-K9 to factory defaults?
A
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.
Q
Which wireless security protocols are supported?
A
The router supports WEP (64/128-bit), WPA-PSK/WPA2-PSK (TKIP/AES) and enterprise WPA/WPA2 with 802.1X RADIUS authentication.
Q
Is the Cisco 857W-G-J-K9 suitable for small office/home office environments?
A
Absolutely. Its all-in-one design, integrated security, VPN and wireless capabilities make it ideal for secure SOHO and home network deployments.
Q
Where can I download the user manual for the Cisco 857W-G-J-K9?
A
Visit Cisco’s official support site, search for “CISCO857W-G-J-K9,” and download the PDF under Documentation → Installation & Configuration Guides.
Q
Does the Cisco 857W-G-J-K9 support ADSL2 and ADSL2+ standards?
A
Yes, it interoperates with ADSL, ADSL2 and ADSL2+ networks, delivering downstream rates up to 24 Mbps and upstream rates up to 1 Mbps.
Q
What are the system requirements to configure the Cisco 857W-G-J-K9?
A
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.
