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Name:
C881SRSTW-GN-E-K9
- Description:
- Cisco SRST881 ENet FXS - FXO Sec Router 802.11n ETSI Comp
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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.
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In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
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C881SRSTW-GN-E-K9 Overview
C881SRSTW-GN-E-K9 is a fixed architecture router that combines essential network functions in a compact design. It provides versatile power options via an AC power supply with support for redundancy, multiple WAN and LAN interfaces including a dedicated 10/100 Ethernet WAN port and four 10/100 Ethernet LAN ports, integrated services for voice, video, and WAN optimization, and expansion capabilities through EHWIC slots for added functionality.
C881SRSTW-GN-E-K9 delivers robust VPN security with IPSec and SSL support, achieving up to 100 Mbps throughput with built-in QoS and firewall features to safeguard network performance and reliability. Its high availability and performance are ideally suited for small business and enterprise branch deployments that require secure remote connectivity and flexible, integrated services.
What is the price of C881SRSTW-GN-E-K9?
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C881SRSTW-GN-E-K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL |
| Power Source | AC Power Supply / Redundant |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Fixed |
| WAN Configuration | WAN |
| WAN Ports | 1 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100 Ethernet |
| Wi-Fi Standard | 802.11b/g/n |
| Connectivity Type | Wired / Wireless |
| Network Protocols | IP, TCP, UDP, ICMP |
| Remote Management | SSH, Telnet, SNMP |
| Compliance Standards | FCC, CE |
| Wireless Support | Yes |
| Speed/Capacity | 100 Mbps |
| Firewall Features | Yes |
| Features | VPN, Firewall, NAT, QoS, Routing, Switching |
| Use Case | Small Business / Enterprise Branch |
| Management | Managed |
| Form Factor | Rack-mount / Desktop |
| Integrated Services | Voice / Video / WAN Optimization |
| High Availability Support | Supported |
| Safety | RoHS |
| EMC | FCC |
| Telecom | ITU-T |
| Throughput Capacity | 100 Mbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection |
| Expansion Slots | EHWIC |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 256 MB |
| Flash Memory | 128 MB |
| Interface Ports | RJ-45, SFP |
| Power | 45 Watt |
| Device Type | Router |
| Product Name | Cisco C881SRSTW-GN-E-K9 Integrated Services Router |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
C881SRSTW-GN-E-K9 Use Case
Remote Branch Voice Continuity & WAN Failover with Cisco SRST881
In a multi-site enterprise, the C881SRSTW-GN-E-K9 (Cisco SRST881 ENet FXS-FXO Sec Router 802.11n ETSI Comp) provides automatic PSTN fallback and wired/wireless WAN failover at a remote office. When the MPLS link drops, the integrated FXS/FXO ports instantly rehome IP telephony to local analog trunks and Wi-Fi 802.11n ensures uninterrupted data access. Benefit: zero downtime for voice calls and critical applications, maintaining productivity and customer service SLAs.
Secure Retail POS & VoIP Deployment in Compliance-Driven Environments
A retail chain deploys the Cisco SRST881 ENet FXS-FXO Sec Router 802.11n ETSI Comp at each outlet to segregate point-of-sale traffic, guest Wi-Fi, and voice emergency lines. The router’s VPN, firewall and IDS/IPS modules enforce PCI DSS and ETSI security standards, while FXS ports connect legacy tills and FXO ports link backup PSTN. Benefit: fast, PCI-compliant checkout processes with end-to-end encryption, simplified management and built-in voice redundancy.
On-Demand Event Networking & PSTN Voice Backup
Event organizers leverage the C881SRSTW-GN-E-K9 to deploy pop-up networks at trade shows, concerts or conferences. Its dual Gigabit Ethernet, 802.11n access point and FXS/FXO interfaces provide secure Wi-Fi for attendees, VoIP call management and analog line backup over PSTN. Benefit: rapid, temporary network rollout with enterprise-grade security, uninterrupted voice services and compliance with ETSI radio 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 | N/A | N/A | DSL / Cable / N/A |
| Built-in Security Features | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention / VPN | Firewall / Intrusion Prevention / VPN | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | FCC / CE | FCC / CE / UL | FCC, CE, UL | FCC, CE | IEEE 802.3, IEEE 802.11b/g |
| Connectivity Type | Wired | Wired / Wireless | Wired | Wired / Wireless | Wired / Wireless |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | FCC | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 Ethernet | 10/100 |
| Expansion Slots | EHWIC | N/A | EHWIC | EHWIC | N/A |
| Features | VPN, Firewall, NAT, QoS, IPv6 | VPN / Firewall / IPv6 Compatible / Integrated Security | VPN / IPv6 Compatible / Firewall / Voice / Video | VPN, Firewall, NAT, QoS, Routing, Switching | VPN, Firewall, Integrated Wireless, VoIP |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 256 MB | 128 MB | 128 MB |
| Form Factor | Desktop | Desktop | Desktop | Rack-mount / Desktop | Desktop |
| Height | N/A | N/A | N/A | N/A | N/A |
| High Availability Support | Supported | Not Supported | Not Supported | Supported | Supported |
| Integrated Services | Voice / Data | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45, SFP | 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 | 512 MB | 256 MB | 256 MB | 256 MB |
| Modular Slots Available | 1 Slot | N/A | 1 Slot | 2 Slots | N/A |
| Network Protocols | OSPF, EIGRP, RIP, BGP | IPv4 / IPv6 | IPv4, IPv6 | IP, TCP, UDP, ICMP | TCP/IP, UDP, ICMP |
| Power | 48W | 34 Watt | 65 W | 45 Watt | 65 Watt |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant |
| Product Name | CISCO881GW-GN-A-K9 | CISCO881GW-GN-E-K9 | CISCO881G-G-K9 | Cisco C881SRSTW-GN-E-K9 Integrated Services Router | CISCO851W-G-A-K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI / Web-based | CLI / SSH / SNMP / HTTPS | CLI, SNMP, HTTP, HTTPS | SSH, Telnet, SNMP | Telnet, SSH, SNMP |
| Routing Protocols | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | RoHS | N/A |
| Speed/Capacity | 100 Mbps | Gigabit | N/A | 100 Mbps | 100 Mbps |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | ITU-T | N/A |
| Throughput Capacity | 50 Mbps | 0.05 Gbps | 0.045 Gbps | 100 Mbps | 100 Mbps |
| Use Case | Small Business / Enterprise | Small Business / Enterprise | Small Business / Enterprise | Small Business / Enterprise Branch | Enterprise / Small Business |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A | IPSec / SSL | IPSec |
| WAN Configuration | WAN | WAN | WAN | WAN | WAN |
| WAN Ports | 1 WAN | 1 WAN | 1 WAN | 1 WAN | 1 WAN |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | N/A | WiFi 4 | N/A | 802.11b/g/n | WiFi 4 (802.11g) |
| Width | N/A | N/A | N/A | N/A | N/A |
| Wireless Support | No | Yes | No | Yes | Yes |
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Questions & Answers
Q
What is the Cisco SRST881 ENet FXS-FXO Secure Router 802.11n ETSI (SKU: C881SRSTW-GN-E-K9)?
A
The Cisco SRST881 ENet FXS-FXO Secure Router 802.11n ETSI (SKU: C881SRSTW-GN-E-K9) is a compact branch-office gateway combining Layer 3 routing, integrated 802.11n wireless LAN, FXS/FXO voice-port support and enterprise-grade security in one appliance.
Q
What are the key features of the Cisco SRST881 router?
A
Key features include dual Fast Ethernet LAN/WAN ports, integrated FXS/FXO for analog voice failover, 802.11n AP, Cisco IOS firewall, IPsec VPN, Stateful Inspection, and Secure Router SRST fallback for uninterrupted voice services.
Q
How many Ethernet and voice ports does the Cisco SRST881 provide?
A
The Cisco SRST881 provides two RJ-45 Fast Ethernet ports (10/100 Mbps) and two modular voice slots supporting one FXS and one FXO port for PSTN or PBX connectivity.
Q
Does the Cisco SRST881 support 802.11n wireless connectivity?
A
Yes. The SRST881 includes an integrated dual-band 802.11n access point delivering up to 300 Mbps aggregate throughput for secure, high-performance wireless LAN access.
Q
Is the Cisco SRST881 ETSI compliant?
A
Yes. The SRST881 (SKU: C881SRSTW-GN-E-K9) meets ETSI regulatory requirements for operation in European markets, including CE and RoHS certification.
Q
How does Cisco SRST881 enable voice survivability?
A
In case of WAN failure, Cisco SRST router fallback provides local call processing for registered IP phones using the FXS/FXO ports, ensuring uninterrupted voice service until primary call manager connectivity is restored.
Q
What security features are built into the Cisco SRST881?
A
Built-in security features include stateful packet inspection firewall, Intrusion Prevention System (IPS), URL filtering, content security, and hardware-accelerated IPsec VPN for site-to-site and remote-access protection.
Q
Can I establish VPN tunnels with the Cisco SRST881?
A
Yes. The SRST881 supports up to 50 IPsec VPN peers with AES encryption, perfect for secure site-to-site connectivity and remote user access to corporate resources.
Q
What maximum throughput does the Cisco SRST881 deliver?
A
The Cisco SRST881 offers up to 25 Mbps aggregate throughput for VPN traffic and routing, ensuring sufficient bandwidth for small branch-office applications.
Q
In which deployment scenarios is the Cisco SRST881 ideal?
A
The SRST881 is ideal for small branch offices, retail stores, and kiosks requiring integrated routing, wireless LAN, analog voice resilience and enterprise-grade security in a single appliance.
Q
How do I configure the FXS and FXO ports on the Cisco SRST881?
A
FXS and FXO ports are configured via Cisco IOS voice port commands in global configuration mode; you assign dial peers, codecs and signaling parameters for PSTN or PBX integration.
Q
Does the Cisco SRST881 support IPv6?
A
Yes. The Cisco SRST881 supports full IPv6 routing and dual-stack IPv4/IPv6 operation including BGP, OSPFv3, DHCPv6, and IPsec for next-generation network deployments.
Q
What are the power and environmental specifications of the Cisco SRST881?
A
The SRST881 operates on 9–34 VDC or 100–240 VAC (with optional power supply), consumes 15 W, and supports operating temperatures from 0°C to 40°C with ETSI-compliant acoustic and emission levels.
Q
What warranty and support options are available for the Cisco SRST881?
A
Cisco provides a 1-year limited hardware warranty with return-to-factory replacement; enhanced service options are available through Cisco SMARTnet for 24×7 support and software updates.
Q
How can I purchase the Cisco SRST881 (C881SRSTW-GN-E-K9)?
A
You can order the Cisco SRST881 through authorized Cisco resellers or distribution partners; contact your local Cisco representative or visit Cisco’s online partner locator for pricing and availability.
Q
Which applications benefit most from the Cisco SRST881?
A
Applications such as secure remote branch connectivity, analog voice survivability, wireless guest access, and site-to-site VPNs benefit from the router’s integrated security, voice and WLAN capabilities.
