Description
Cisco CSF1230-ASA-K9 Technical Overview
The Cisco CSF1230-ASA-K9 is a high-performance Small Form-factor Pluggable (SFP) transceiver module designed specifically for the Cisco ASA 5500-X series firewall appliances. This optical interface facilitates reliable fiber-optic connectivity to support high-speed data transmission within enterprise security environments. By integrating the CSF1230-ASA-K9 directly into the appliance’s SFP slots, network engineers can extend reach across campus backbones. It ensures seamless interoperability with existing Cisco security infrastructure and routing protocols.
This module is engineered to provide robust physical layer connectivity for mission-critical security deployments. The CSF1230-ASA-K9 maintains signal integrity over extended distances, minimizing bit error rates in demanding data center conditions. Field-tested reliability makes the CSF1230-ASA-K9 an ideal choice for maintaining redundant links in high-availability firewall clusters. Its compact form factor optimizes port density on the ASA chassis without sacrificing thermal performance.
Cisco CSF1230-ASA-K9 Technical Specifications
- Data Rate: Supports 1000BASE-SX standards, providing 1 Gbps throughput for high-speed security traffic inspection.
- Wavelength: Operates at an 850nm wavelength, optimized for short-reach multi-mode fiber (MMF) cabling environments.
- Platform Compatibility: Specifically qualified for Cisco ASA 5500-X series appliances to ensure firmware-level recognition and hardware stability.
- Latency: Engineered for low-latency packet switching, ensuring minimal impact on firewall inspection overhead and overall network jitter.
Buy or Sell Cisco CSF1230-ASA-K9
- For Buyers: ROC Telecom provides rigorously tested, Cisco-compatible hardware for rapid network expansion or as a mission-critical spare. Our field-tested units ensure uptime without OEM lead times.
- For Sellers: We offer competitive buyback quotes, instant payment, and prepaid shipping for decommissioned CSF1230-ASA-K9 units and other Cisco surplus.

