Cisco CSACS‑1121‑K9

Product Name: Cisco Secure Access Control System 1121 Hardware ApplianceCisco
Product Brief: CSACS‑1121‑K9 is dedicated rack‑mount hardware appliance running Cisco Secure Access Control System (ACS) software. It performs centralized network access authentication, authorization and accounting for enterprise network users and network devicesCisco
Category:
Description
Technical Specifications:
  • Processor: Intel Core 2 Duo 2.4 GHz, 800 MHz FSB, 2 MB L2 cache
  • Memory: 4 GB SDRAM (expandable)
  • Storage: Two 250 GB SATA hard disk drives
  • Network interface: One Gigabit Ethernet RJ‑45 port
  • Console: Serial RS‑232 console port
  • Optical drive: Slim‑line DVD‑ROM
  • Power supply: Single auto‑ranging AC power supply
  • Form‑factor: 1‑U height 19‑inch rack‑mount unit
  • Dimensions: 44.5 mm × 440.0 mm × 559.0 mm
  • Operating temperature: 0 °C to +55 °C
  • Storage temperature: ‑40 °C to +70 °C
Functional Features:
  • Centralized RADIUS and TACACS+ authentication, authorization and accounting service
  • Support user identity management for wired, wireless and VPN network access
  • Device administration access control for network infrastructure equipment
  • Local database or external LDAP / Active‑Directory user repository integration
  • Web‑based graphical management interface and CLI console configuration
  • Event logging, audit reporting and security policy enforcement
  • Hardware platform dedicated for ACS application, pre‑optimized for security‑service workload
Application Scenarios: Enterprise campus network access control, enterprise wireless 802.1X authentication, network‑device administrator access authorization, VPN user authentication, government and large‑enterprise security audit infrastructureCisco.
Performance Parameters:
  • Rack requirement: Standard 19‑inch four‑post equipment rack
  • Input AC voltage: Auto‑ranging 100‑240 VAC, 50‑60 Hz
  • Humidity: 5‑95 % RH non‑condensing
Material Composition: 1‑U steel rack‑mount chassis; server‑grade mainboard; hard‑disk drives; cooling fan assembly; front‑panel status LED indicators.
Structural Characteristics: Standard 1‑U rack‑mount server chassis; rack‑mount brackets included; front‑panel DVD drive and status LEDs; rear‑panel Ethernet port, serial console port, AC power inlet.
Working Principle: The appliance runs specialized ACS operating environment. It receives RADIUS / TACACS+ access‑request packets from network access devices. It validates user credentials against local or external identity store, returns authorization policy to network device, and records all access events into audit log storage. All configuration can be performed through web GUI or serial CLI console.
Installation Requirements: Mount unit in standard 19‑inch equipment rack; connect AC power supply; connect management Gigabit Ethernet port to dedicated management network; connect serial console cable for initial setup; complete initial setup wizard via CLI before web‑interface usage.
Usage Notes: Deploy inside controlled temperature server‑room environment; implement network isolation for management interface; follow ACS software release compatibility matrix; perform regular backup of configuration and audit log data.
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