Cisco Catalyst WS-C2950G-24-EI-DC Full English Product Description

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

2. Official Product Overview

Model Suffix Breakdown

• 2950G: Catalyst 2950 modular platform with dual GBIC Gigabit expansion slots
• 24: Twenty-four fixed 10/100 auto-negotiation RJ45 copper downlink ports
• G: Two hot-swappable 1000BASE-X GBIC uplink expansion slots for flexible Gigabit media selection
• EI: Enhanced IOS Image with full advanced Layer 2 security, QoS, ACL and encrypted management functions
• DC: Internal industrial negative DC power supply (-36V ~ -72VDC input) for industrial, utility and telecom cabinet environments

3. Port & Industrial Hardware Specifications

• 24 × 10/100BASE-TX RJ45 auto-sensing copper access ports, auto MDI-X, IEEE 802.3x full-duplex flow control
• 2 × hot-swappable 1000BASE-X GBIC uplink slots, compatible with Cisco GBIC lineup: 1000BASE-SX, LX, LH, ZX, 1000BASE-T copper GBIC
• 1 × RJ45 RS232 serial console port for out-of-band CLI configuration
• Fully modular uplink design, no fixed integrated fiber/copper uplink ports
• Stacking capability: Cisco Switch Clustering via Fast Ethernet or Gigabit GBIC inter-switch trunk links
• Power supply: Internal wide-range negative DC power input (-36 VDC to -72 VDC nominal -48VDC telecom standard), max power consumption 30W; terminal block rear panel DC power connector
• Rear RPS connector: Supports optional Cisco external redundant power supply for power failure resilience
• Front panel LED indicators: Per-port link/activity, speed, duplex; GBIC slot status, system bandwidth utilization, RPS power status, DC power fault alarm LED
• Mounting options: 19-inch 1RU rack-mount brackets included; rubber feet for standalone desktop/shelf placement
• Thermal design: Active fan cooling, extended industrial operating temperature range
• Environmental operating range: 5°C to 55°C (41°F–131°F); storage -25°C to 70°C; relative humidity 10–85% non-condensing
• Safety & EMI certifications: CE, FCC Class A, UL listed, VCCI Class A, IEC industrial control compliance
• Physical dimensions: 445 mm (W) × 44.45 mm (H, 1RU) × 242 mm (D)
• Unit weight: 3.0 kg (6.6 lbs)
• MAC address table capacity: Up to 8,000 MAC entries
• MTBF: 515,000 hours under standard industrial operating conditions
• Warranty: Cisco Limited Lifetime Hardware Warranty

4. Layer 2 Switching, QoS & Enhanced IOS (EI) Full Feature Set

Core Base Switching & QoS Shared Functions

• Up to 64 active IEEE 802.1Q tagged VLANs, full VLAN ID range 1–1005
• IEEE 802.1p CoS QoS with 4 egress priority queues; Strict Priority / WRR scheduling for voice/video/industrial control traffic classification
• IEEE 802.3ad Fast EtherChannel / Gigabit EtherChannel static link aggregation for multi-port copper/GBIC trunk bundling
• IEEE 802.1D STP Spanning Tree Protocol + BPDU guard / Root guard to eliminate Layer 2 switching loops
• Port security: Static MAC binding, sticky dynamic MAC learning, port shutdown violation mode
• Broadcast/multicast/unicast storm control to mitigate Layer 2 flooding DoS attacks
• SPAN port mirroring for traffic capture and network fault troubleshooting
• IGMP Snooping v1/v2 to reduce redundant multicast bandwidth consumption for video streams
• Voice VLAN for automatic classification and priority marking of Cisco IP Phone traffic
• Cisco Switch Clustering for single-pane unified management of multiple clustered switches
• RMON Groups 1,2,3,9 real-time traffic statistics monitoring
• NTP time synchronization for consistent system log timestamps
• CDP Cisco Discovery Protocol for automatic adjacent network device discovery
• Web-based Cisco Device Manager & Cisco Express Setup for zero-CLI initial deployment

Exclusive Advanced EI Security & Traffic Features (Not Supported on SI Images)

• IEEE 802.1X port-based authentication with RADIUS/TACACS+ AAA remote access control
• SSHv2 encrypted remote CLI management; SNMPv3 secure encrypted monitoring
• Layer 2/Layer 3/Layer 4 access control lists (ACLs) for granular inbound traffic filtering
• Private VLAN edge for isolated host segmentation on shared access ports
• Ingress port bandwidth rate limiting for traffic shaping and bandwidth governance
• Time-based ACLs for scheduled differentiated network access policies
• DSCP marking and multi-layer advanced QoS reclassification for converged voice/data/industrial control networks

5. Full Management Interfaces

1. Local Out-of-Band: RJ45 RS232 serial console port for direct Cisco IOS CLI access without live network connectivity
2. Secure Remote CLI: SSHv2 encrypted command-line access; fallback password-authenticated Telnet
3. Embedded Web GUI: Browser-based visual switch manager for port, VLAN and QoS configuration
4. SNMP v1/v2c/v3: Standard enterprise monitoring compatible with CiscoWorks, CWSI and third-party NMS/SCADA monitoring platforms
5. RMON Traffic Analytics: Built-in bandwidth, error and utilization reporting for fault diagnosis and capacity planning
6. Local Storage: 8 MB onboard flash memory to store IOS operating image, startup-config and running-config files

6. Integrated Enhanced Security Suite

• Multi-level privilege CLI access with encrypted local user password storage
• IEEE 802.1X port authentication to validate end-user devices before granting network access
• Port security to restrict unauthorized end-device MAC addresses per access port
• STP BPDU guard and root guard to block rogue unmanaged switches from corrupting Layer 2 topology
• Broadcast storm control to suppress flooding-based denial-of-service threats
• Private VLAN edge to isolate connected endpoints from each other on shared switch ports
• SSHv2 and SNMPv3 encryption to secure remote switch management traffic over the LAN/SCADA network
• Manual permanent shutdown of unused ports to reduce unauthorized network attack vectors
• Dedicated management VLAN isolation to segregate switch control plane traffic from end-user and industrial control data

7. Typical Industrial & Enterprise Deployment Scenarios

• Power utility substation core LAN switch: Native -48VDC DC power fits standard telecom/utility control cabinets; 24 copper ports connect protection IEDs, RTUs and monitoring HMIs; dual GBIC fiber uplinks interconnect multiple substations over long single-mode fiber
• Manufacturing factory control room aggregation switch: DC power input compatible with factory industrial power systems, copper ports link PLCs, inspection sensors and operator HMIs; GBIC fiber uplinks extend LAN across large production workshop zones
• Railway wayside control cabinet switch: Extended temperature range withstands fluctuating indoor railway enclosure environments, Gigabit fiber trunking connects trackside monitoring equipment back to central railway control center
• Metro fiber remote site wiring closet switch: DC-powered design for unmanned street-side telecom cabinets, modular GBIC uplinks support long-distance fiber backhaul to central office
• Medium industrial enterprise factory office access layer switch: 24 Fast Ethernet ports connect staff PCs, printers and IP phones; dual GBIC slots support flexible Gigabit fiber or copper uplinks to factory core data switches

8. Standard Package Contents

Short Commercial Version (For Quotation & Product Catalog)