C9400‑LC‑24S Specifications
Cisco Catalyst 9400 Series 24‑Port 1 Gigabit Ethernet SFP Line Card
Manufacturer: Cisco
Manufacturer Model: C9400‑LC‑24S
Product Line: Cisco Catalyst 9400 Series
Product Series: Line Card Module
Product Type: Switch Line Card / Expansion Module
Product Name: Cisco Catalyst 9400 Series 24‑Port 1 GbE SFP Line Card
KEY FEATURES:
Device Type: Modular switch line card
Interface Type: Gigabit Ethernet
Number of Ports: 24 × 1 GbE
Port Connector Type: SFP (Small Form‑factor Pluggable) optics
Non‑Blocking Design: Provides full line‑rate non‑blocking traffic across all ports
Jumbo Frames: Supports jumbo frames up to 9,216 bytes for improved performance with large packets
Security Features: IEEE 802.1AE (MACsec 256) capability for link‑level encryption
Software Support: Requires Cisco IOS XE Software (version 16.8.1 or later) on Catalyst 9400 supervisors
Designed For: Enterprise access and distribution layers, Gigabit aggregation, mobile backhaul, FTTX and fiber deployments
PERFORMANCE:
Port Speed: 1 Gbps per port (24 Gbps aggregate switching capacity)
Layer Support: Supports Layer 2 and Layer 3 networking features as per Cisco Catalyst 9400 series capabilities
EtherChannel: Supports EtherChannel (link aggregation) for increased bandwidth and redundancy across ports
ENVIRONMENTAL & RELIABILITY:
Operating Temperature: Approx. ‑5 °C to +45 °C (23 °F to 113 °F)
Storage Temperature: Approx. ‑40 °C to +70 °C (‑40 °F to 158 °F)
Relative Humidity: 10 % to 95 % (non‑condensing)
Altitude: ‑60 m to 3,000 m operating altitude ranges typical for enterprise networking equipment
Hot‑Swap Support: Can be hot‑swapped in supported Catalyst 9400 chassis with supervisor modules installed
PHYSICAL:
Form Factor: Line card module for Catalyst 9400 Series chassis
Slot Occupancy: Occupies one line card slot in the chassis
Dimensions: Approx. 1.6 × 14.92 × 14.57 in (H × W × D)
Weight: Typical for modular switch line card (varies by configuration

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