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Cisco

Cisco C881SRST-K9 | SMB router | WAN: 1xFE | LAN: 4xFE | Voice: FXS + FXO | SRST | VPN/Firewall | Wi‑Fi: — | SD‑WAN/LTE: —

SKU:C881SRST-K9

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Description

Ethernet WAN branch router with SRST for telephony survivability, integrated 10/100 LAN switching, and FXS + FXO voice interfaces. Delivers secure connectivity with IPsec/SSL VPN, stateful firewall, NAT, and QoS for converged voice/data in small offices that do not require built‑in Wi‑Fi.

Features

- SRST for voice survivability
- FXS + FXO analog voice connectivity
- Integrated 10/100 LAN switch for small offices
- Stateful firewall with IPsec/SSL VPN
- QoS for clear voice and prioritized apps

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Does this router have integrated Wi‑Fi?
A: No, this model does not include Wi‑Fi.

Q: What happens to phone services if the WAN is down?
A: SRST keeps local telephony operational until connectivity to the central call controller is restored.

Q: Are PoE LAN ports available?
A: No, the LAN ports do not provide PoE.

Q: Is SD‑WAN supported?
A: No, the platform does not provide native SD‑WAN features.

Q: Which VPN types are supported?
A: Standards‑based IPsec and SSL VPN are supported.

Technical Specifications

- WAN: 1x 10/100 Fast Ethernet (RJ‑45)
- LAN switching: 4x 10/100 Fast Ethernet (RJ‑45)
- Voice interfaces: FXS + FXO (analog)
- Telephony: Survivable Remote Site Telephony (SRST) support
- Security: Zone‑Based Firewall, NAT, ACLs
- VPN: IPsec and SSL VPN support
- QoS: Advanced queuing and traffic shaping for voice/video
- Management: CLI, web interface, SNMP
- Wi‑Fi: Not included
- SD‑WAN/LTE: Not supported on this model

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