Cisco Catalyst WS-C2940-8TF-S Full English Product Description

1. Short Sales Title (For Quotation & E-commerce Listing)

2. Official Product Overview

Model Suffix Breakdown

• 2940: Catalyst 2940 compact desktop switch platform
• 8TF: 8 fixed 10/100 copper downlinks; integrated 100BASE-FX MT-RJ fiber port + shared Gigabit SFP uplink slot (mutually exclusive, only one uplink active simultaneously)
• -S: Standard IOS software image with baseline enterprise Layer 2 features, no Enterprise advanced feature license required

3. Port & Hardware Specifications

• 8 × 10/100BASE-TX RJ45 auto-sensing copper access ports, auto MDI-X, IEEE 802.3x full-duplex flow control
• Shared dual uplink interface (mutually exclusive operation):
  1. 1 × 100BASE-FX MT-RJ multimode fiber port (1300nm, max 2km full-duplex over multimode fiber)
  2. 1 × empty 1000BASE-X SFP slot, compatible with Cisco Gigabit SFP modules: SX, LX, LH, ZX, CWDM, 1000BASE-T copper SFP
     Note: Only one uplink port works at a time; SFP takes priority if inserted during power-up
• 1 × RJ45 RS232 serial console port for out-of-band CLI configuration
• Fanless passive convection cooling, zero acoustic noise
• Internal fixed autoranging AC power supply (100–240VAC 50/60Hz), max power consumption 24W
• Front panel LED indicators: Per-port link/activity, speed, duplex, uplink selection, system status
• Mounting options: Rubber feet for desktop, integrated wall-mount holes; optional cable guard anti-tamper accessory
• Physical security: Built-in Kensington lock slot for physical device theft prevention
• Environmental operating range: 0°C to 45°C (32°F–113°F); storage -25°C to 70°C; relative humidity 10–85% non-condensing
• Safety & EMI certifications: CE, FCC Class B, UL listed, VCCI Class B
• Physical dimensions: 270mm (W) × 163mm (D) × 38mm (H)
• Unit weight: 1.4 kg (3.1 lbs)
• MTBF: Over 636,000 hours (70+ years typical service life)
• Warranty: Cisco Limited Lifetime Hardware Warranty with free lifetime IOS software updates

4. Layer 2 Switching, QoS & Standard IOS Feature Set

Core Supported Features (Standard Image -S)

• MAC address table capacity: 8,000 entries
• Up to 4 simultaneous active IEEE 802.1Q VLANs, supports full VLAN ID range 1–1005
• IEEE 802.1p CoS QoS with 4 egress priority queues for voice, video and data traffic classification
• IEEE 802.3ad static EtherChannel link aggregation across copper access ports
• IEEE 802.1D STP Spanning Tree Protocol to eliminate Layer 2 switching loops
• Auto-negotiation, auto MDI-X, full/half duplex selection on all copper ports
• Port security with static MAC binding, sticky MAC learning and port shutdown violation mode
• Broadcast/multicast storm control to mitigate Layer 2 flooding DoS attacks
• Port mirroring (SPAN) for traffic capture and troubleshooting
• RMON Groups 1,2,3,9 real-time traffic statistics monitoring
• NTP time synchronization for consistent log timestamps
• Multicast support: IGMP Snooping v1/v2 to reduce video multicast bandwidth waste
• Voice VLAN capability for prioritizing Cisco IP Phone traffic over desktop data

Uplink-Specific Capabilities

• 100BASE-FX uplink fixed full-duplex 100Mbps operation only
• SFP uplink supports full Gigabit 1000Mbps full-duplex, compatible with single/multimode fiber and copper SFP transceivers
• No simultaneous operation of MT-RJ FX port and SFP slot

5. Complete Management Interfaces

1. Local Out-of-Band: RJ45 RS232 serial console port for direct Cisco IOS CLI without network connectivity
2. Remote CLI: Telnet password-authenticated remote command-line access
3. Embedded Web GUI: Browser-based visual switch management for port, VLAN and QoS configuration
4. SNMP v1/v2c/v3: Standard network monitoring integration with third-party NMS and Cisco network management tools
5. RMON Traffic Analytics: Built-in bandwidth, error and utilization statistics for fault diagnosis
6. Local Storage: 8MB onboard flash memory to store IOS operating image and startup/running configuration files

6. Integrated Security Suite

• Multi-level privilege CLI access with encrypted local user passwords
• IEEE 802.1X port-based authentication, RADIUS/TACACS+ remote AAA authentication support
• Port security: Restrict access to predefined MAC addresses, auto-shutdown ports on unauthorized device detection
• STP BPDU guard to block rogue unmanaged switches from corrupting network topology
• Broadcast/multicast storm control to suppress flooding-based denial-of-service threats
• Physical security: Kensington lock slot and optional cable guard to prevent device theft and cable tampering
• Unused port auto-shutdown functionality to reduce unauthorized network access vectors

7. Typical Deployment Scenarios

• Classroom & campus lab access: Silent fanless design suitable for student learning spaces, fiber uplinks connect back to campus building distribution switches
• Conference room / meeting room dedicated LAN: Compact desktop footprint for meeting facility desktop, wireless AP and video conference device aggregation
• Retail store kiosk & POS network: Wall-mounted deployment, fiber uplink to regional retail branch office core
• Small remote office workgroup switch: 8-port copper for staff PCs, printers and IP phones, flexible Gigabit SFP uplink for long-distance fiber WAN trunking
• Healthcare clinic auxiliary room networks: Low noise metal chassis compliant with quiet clinical space requirements, isolated VLAN segmentation for patient device traffic

8. Standard Package Contents

Short Commercial Version (For Quotation & Product Catalog)