Cisco WS-X6748-GE-TX Full Official Technical Specification Document

1. Product Overview

Official Full Designation

Cisco WS-X6748-GE-TX is theCatalyst 6500 / 7600 Series CEF720 48-Port 10/100/1000BASE-T Gigabit Copper Hot-Swappable Switching Module, a high-density all-copper Gigabit interface card built exclusively for Cisco Catalyst 6500 modular campus/core data center switches and Cisco 7600 Series service provider routers, requiring Supervisor Engine 720 platform support. It delivers cost-effective high-density copper Gigabit access for enterprise campus wiring closet workstation aggregation, data center rack server/VM host access, branch office desktop deployments, and pure copper wired network migration environments.

Core Definition: Full-slot hot-swappable Catalyst 6500/7600 line card equipped with 48 fixed RJ45 auto-sensing 10/100/1000BASE-T copper ports, connected to the chassis crossbar switch fabric via dual 20-Gbps full-duplex fabric channels (aggregate 40Gbps fabric bandwidth), creating a fixed 1.2:1 port-to-fabric oversubscription ratio for all 48 Gigabit ports. The module operates in centralized CEF forwarding mode by default, field-upgradable to distributed dCEF line-rate forwarding with optional WS-F6700-DFC3 series daughter cards (DFC3B / DFC3C / DFC3CXL). It features fixed RJ45 copper interfaces without SFP transceiver slots, supports jumbo frames up to 9216 bytes, dedicated per-port packet buffers, hardware per-port QoS queuing, complete Layer 2/Layer 3 routing, multicast, and enterprise security feature sets native to Catalyst 6500/7600 classic IOS SX operating system.

SKU Naming Breakdown

1. WS-X: Cisco modular chassis switching line card standard prefix
2. 67: CEF720 high-performance interface module family for Catalyst 6500/7600 (requires Supervisor 720, supports optional DFC distributed forwarding daughter cards)
3. 48: Total physical interface ports on the module (48 fixed RJ45 Gigabit Ethernet ports)
4. GE-TX: Gigabit Ethernet 1000BASE-T fixed copper RJ45 interface (no hot-swappable SFP transceivers)

Product Lifecycle Notice

• Official Global Release Year: 2007
• End-of-Sale (EoS) Announcement Date: Cisco permanently discontinued manufacturing and new unit sales
• Minimum Supported IOS Software Version: Classic IOS SX train 12.2(17a)SXB6; DFC3 distributed forwarding support minimum release: 12.2(33)SXH or later
• End of Software Maintenance: No new feature IOS releases post-EoS; limited critical security vulnerability patch support expired
• Final End-of-Support (EoSS) Date: Cisco official hardware repair, RMA replacement, and TAC technical engineering support fully terminated
• Legacy Status: All product datasheets, hardware installation guides, IOS configuration manuals are archived on Cisco’s legacy networking documentation portal; only third-party refurbished hardware and limited aftermarket best-effort support are available.

Supported Chassis & Supervisor Compatibility

Compatible Chassis Platforms

1. Cisco Catalyst 6500 Series Modular Switches: 6504-E, 6506, 6506-E, 6509, 6509-E, 6509-NEB-A, 6513 (slot restriction for 6513: only slots 9–13 support this module; it will not power up in slots 1–8)
2. Cisco 7600 Series Service Provider Routers

Unsupported Chassis

Catalyst 6503, Cisco 7603 compact chassis (module cannot be installed or recognized)

Mandatory Supervisor Engine Requirement

Only compatible with all variants of Supervisor Engine 720 and Supervisor Engine 720-10GE; fully incompatible with legacy Supervisor 1A, Supervisor 2, Supervisor 32 platformsCisco.

Standard Factory Complete Bundle Contents

Each factory-sealed WS-X6748-GE-TX retail package contains all hardware and accessories required for chassis deployment:

1. WS-X6748-GE-TX full-slot hot-swappable 48-port 10/100/1000BASE-T copper switching module
2. Chassis mounting retention screws for secure slot installation
3. Quick-start hardware installation guide for line card insertion/removal
4. Global regulatory compliance, safety, and electromagnetic interference (EMI) certification documentation packet

Supported Software & Enterprise Deployment Architectures

Compatible Cisco IOS Software

WS-X6748-GE-TX exclusively runs classic IOS SX train firmware for Catalyst 6500/7600 platforms:

• Minimum baseline release: 12.2(17a)SXB6
• DFC3 distributed forwarding support minimum release: 12.2(33)SXH IOS XE, Catalyst 9000/9300/9400 series operating systems are fully incompatible with this legacy 6500-series line card.

Supported Deployment Architectures

1. Enterprise Campus Distribution Layer High-Density Workstation Access Aggregation Deployed in Catalyst 6500 distribution switches to provide mass Gigabit copper access ports for hundreds of office desktop PCs, IP phones, and network printers, eliminating fiber transceiver costs for short-range building wiring closet deployments.
2. Large-Scale Data Center Rack Server & Virtual Machine Host Access Aggregation Fixed copper Gigabit connectivity for dense rack-mounted application servers, hypervisor hosts, backup deduplication appliances; Cat5e/Cat6 twisted-pair cabling supports short-distance intra-rack server links, ideal for high-volume east-west data center traffic workloads.
3. Metro Ethernet & Service Provider Carrier-Grade Business Access Optimized for Cisco 7600 router deployments, providing scalable high-density Gigabit copper customer premise equipment (CPE) access links for small-to-medium business Ethernet broadband and managed office network services.
4. Pure Copper Infrastructure Migration Transition Deployments All-copper fixed RJ45 design eliminates SFP transceiver procurement and inventory overhead, designed for network environments that do not require fiber uplink flexibility during enterprise and carrier network infrastructure migration cycles.

Core Integrated Functional Capabilities: Full-slot hot-swappable design, 48 fixed RJ45 10/100/1000BASE-T auto-sensing copper ports, dual 20-Gbps full-duplex switch fabric channels (40Gbps aggregate bandwidth, 1.2:1 oversubscription), centralized CEF720 packet forwarding architecture, optional WS-F6700-DFC3 daughter card upgrade for distributed line-rate dCEF forwarding, zero PoE inline power circuits, Layer 2 IEEE 802.1Q VLAN trunking, jumbo frame support up to 9216 bytes, dedicated 1.3MB per-port packet buffers, per-port hardware QoS queuing, IGMP v1/v2/v3 hardware multicast snooping, EtherChannel/PAgP/LACP link aggregation, UDLD unidirectional link fault detection, broadcast/multicast storm suppression, private VLAN segmentation, hot-swappable module design, and full inheritance of all Catalyst 6500/7600 enterprise unified communications, multicast, and security feature sets.

2. Hardware & Performance Specifications

Core Switching & Forwarding Performance

• Switch Fabric Architecture: Centralized CEF720 forwarding engine hosted on Supervisor Engine 720; optional WS-F6700-DFC3 distributed forwarding daughter card enables local line-card dCEF forwarding to eliminate supervisor packet processing bottlenecks
• Backplane Fabric Connection: Dual full-duplex 20-Gbps channels (aggregate 40Gbps bandwidth) to chassis crossbar switch fabric
• Port Oversubscription Ratio: Fixed 1.2:1 for all 48 Gigabit ports
• Port Buffer Allocation: Dedicated 1.3MB of packet memory per RJ45 port, dynamically managed by the module ASIC
• Forwarding Throughput Performance:
  • Centralized CEF mode: Up to 30 Mpps system-wide packet forwarding rate
  • DFC3 distributed dCEF mode: Local line-card line-rate forwarding, aggregate system throughput scalable to over 400 Mpps with multiple DFC-equipped line cards
• Maximum Supported Frame Size: Jumbo frames up to 9216 bytes for high-throughput large packet data center workloads
• Link Aggregation Capacity: Supports IEEE 802.3ad LACP and Cisco PAgP port channels across all 48 onboard RJ45 ports; maximum 8 physical ports per logical EtherChannel bundle, cross-module port channels supported with other WS-X67xx series line cards in the same chassis
• MTBF (Mean Time Between Failures): 280,000 operating hours under standard indoor data center/wiring closet environmental conditions
• Max Module Power Consumption: Up to 120 Watts maximum rated power draw (no PoE power generation circuits, power consumption varies based on installed DFC3 daughter card)

Copper Port Media Specifications

Each of the 48 ports is a fixed RJ45 auto-sensing 10/100/1000BASE-T interface with no hot-swappable SFP transceiver slots:

1. Supported Cabling: Category 5, Category 5e, and Category 6 UTP/STP twisted-pair copper cable
2. Maximum Cable Distance: 100 meters (328 feet) for all speed grades (10/100/1000 Mbps)
3. Port Operation Mode: Auto-negotiation enabled by default, supporting full-duplex or half-duplex operation at 10, 100, or 1000 Mbps

• PoE Power Delivery Specifications:No PoE Capability: This line card contains zero inline power hardware, no power classification circuits, and cannot supply DC power to connected endpoints (IP phones, wireless APs, surveillance cameras). All attached devices must rely on local AC power adapters for operation.

Front Panel Physical Port & Indicator Layout

1. 10/100/1000BASE-T Copper Ports (48 × Fixed RJ45 Interfaces)
   • Port numbering: Left to right sequential numbering from Port 1 to Port 48, split into four 12-port port groups
   • Fixed copper-only design with no SFP transceiver slots; media type is permanently RJ45 twisted-pair copper
   • Per-port bi-color status LEDs: Green = Link Up / Active bidirectional data traffic; Amber = Port administratively disabled, physical link down, or port error state
2. Module Global System Status Indicators
   • Global module health LED: Solid green = Module detected by supervisor and fully operational; Solid red = Critical line card hardware fault or DFC daughter card initialization failure; Flashing amber = Module entering ROMMON boot/diagnostic initialization mode
   • Hot-swap ejector levers with integrated locking retention tabs for safe module insertion/removal without full chassis power shutdown
3. No Integrated Console or Local Management Ports – all chassis-wide management interfaces (console, Ethernet management port) are located on the front panel of the installed Supervisor Engine 720 module.

Physical, Environmental & Power Specifications

Physical Dimensions & Weight

• Form Factor: Standard full-slot hot-swappable line card for Catalyst 6500/7600 chassis
• Overall Dimensions (H × W × D): 40 mm × 399 mm × 355 mm (1.57 × 15.7 × 14.0 inches)
• Bare Line Card Net Weight: ~1.4 kg (1400 grams), weight increases with installed DFC3 daughter card

Environmental Operating Specifications

• Operating Ambient Temperature Range: 0°C to 40°C (32°F to 104°F) standard data center / wiring closet indoor environment
• Storage & Transport Temperature Range: -40°C to 75°C (-40°F to 167°F)
• Operating Relative Humidity: 10% to 90%, non-condensing humidity for 24/7 continuous chassis operation
• Operating Altitude: -60 meters up to 3000 meters above sea level
• Acoustic Noise: No onboard cooling fans; all thermal dissipation via passive aluminum heatsinks; chassis main fan tray handles overall system thermal load
• Carrier-Grade Compliance: NEBS Level 3 (GR-1089-CORE, GR-63-CORE), ETSI ETS-300386-2, EN 50121-4
• Safety Certifications: UL 1950, EN 60950, CSA-C22.2 No.950, IEC 60950-1 2nd Edition

3. Supported Layer 2 / Layer 3 Protocol & Feature Set

Layer 2 Switching Features

• IEEE 802.1Q tagged VLAN trunking, maximum 4094 active concurrent VLANs (VLAN limit inherited from Supervisor Engine 720 configuration)
• Spanning Tree Protocol suite: IEEE 802.1D STP, 802.1w Rapid STP (RSTP), 802.1s Multiple STP (MSTP); UplinkFast, BackboneFast, root guard, BPDU guard
• Link Aggregation: IEEE 802.3ad LACP, Cisco PAgP, cross-module EtherChannel support with other WS-X67xx full-slot line cards
• Multicast Optimization: IGMP v1/v2/v3 hardware snooping, Cisco Group Multicast Protocol (GMP) server functionality
• Link Fault Detection: Unidirectional Link Detection (UDLD) and aggressive UDLD operating modes
• Security Layer 2 Features: Port security, MAC address learning limits, static secure MAC address binding, private VLANs with promiscuous trunk support, Q-in-Q VLAN stacking pass-through for Metro Ethernet service deployments
• Energy Efficiency: IEEE 802.3az Energy Efficient Ethernet (EEE), automatic port power-down for idle link states to reduce chassis power consumption
• Traffic Suppression: Broadcast, multicast, unknown unicast storm control (hardware rate-limiting); STP BPDUs are not exempt from multicast storm suppression filtering
• Misc Layer 2: Cisco Discovery Protocol (CDP), Layer 2 protocol tunneling (L2PT), CoS mutation for trunk ports.

Layer 3 Routing Features

• IPv4 Hardware Forwarding: Static routing, default static routes, EIGRP stub routing support, IP unnumbered SVI interfaces, SVI autostate exclude (Layer 3 forwarding capacity inherited from Supervisor Engine 720 and optional DFC3 daughter card)
• IPv6 Forwarding: Software-switched IPv6 packet forwarding (no dedicated local IPv6 hardware ASIC on the base line card; DFC3 upgrades add limited IPv6 distributed forwarding acceleration)
• Access Control Lists: Hardware-based Port ACLs (PACLs), VLAN ACLs (VACLs), Router ACLs (RACLs) with low forwarding latency; ACL processing executed on supervisor CEF engine or local DFC distributed ASIC
• WCCP Version 2 Layer 2 redirect support for web cache offloading.

QoS Traffic Management Features

• Hardware Per-Port QoS Architecture:
  • Base module (no DFC): 1 ingress queue with 8 drop thresholds (1q8t), 4 egress queues (1 strict priority + 3 weighted round-robin) with 8 drop thresholds per queue (1p3q8t)
  • DFC3 upgraded module: 2 ingress queues with 8 thresholds each for enhanced traffic classification
• Traffic Classification Mechanisms: Layer 2 CoS marking, Layer 3 DSCP / IP Precedence classification, full Layer 3/Layer 4 ACL header matching for granular application traffic identification
• Policing & Shaping: 512 independent ingress policer instances, 512 independent egress policer instances; aggregate and per-flow policing modes, egress traffic shaping and bandwidth sharing
• Congestion Avoidance: Dynamic Buffer Limiting (DBL) to prevent egress buffer overflow and random packet loss for bursty enterprise application traffic
• Scheduling Algorithms: Strict priority queuing for real-time voice/video media traffic, weighted round-robin (WRR) shared queue scheduling for standard data traffic
• Unified Communications QoS: Auto-QoS CLI template for simplified VoIP and TelePresence deployment, per-port/per-VLAN CoS/DSCP marking and mutation for converged voice-data network environments.

Enterprise Security Features

• IEEE 802.1X port-based Network Access Control (NAC) fully compatible (NAC authentication processing executed on the supervisor engine)
• DHCP Snooping with DHCP Option 82 insertion to block rogue DHCP server attacks and prevent IP address spoofing
• Dynamic ARP Inspection (DAI) for Layer 2 ARP spoofing and man-in-the-middle attack prevention
• Encrypted management traffic support: AES encryption for SSH v2 remote CLI access, TLS 1.1/1.2 for HTTPS web administration (all security processing handled by the chassis supervisor engine)
• Cisco TrustSec identity-based network access tagging support (TrustSec hardware feature set inherited from Supervisor Engine 720).

High Availability Redundancy Features

• Hot-swappable full-slot line card design: Insert, remove, or replace the module without powering down the entire Catalyst 6500/7600 chassis; all other active line card ports remain fully operational during module replacement
• Stateful Switchover (SSO) and Non-Stop Forwarding (NSF) fully compatible (requires dual redundant Supervisor Engine 720 modules installed in the chassis); line card Layer 2 MAC address tables and forwarding state are synchronized between redundant supervisors for subsecond failover with zero data-plane traffic outage.

4. Network Security & QoS Compliance Standards

1. Dual-stack IPv4 / IPv6 network protocol support; DHCP dynamic IP addressing or static IP configuration managed via chassis supervisor engine
2. Enterprise Network Access Security Controls: IEEE 802.1X EAP-TLS/EAP-PEAP wired authentication, multi-level local administrator password access control, role-based access control (RBAC) for web-based device management portal
3. Remote Administration Security Protocols: Encrypted SSH v2 secure shell CLI remote access, HTTPS TLS 1.1 / TLS 1.2 encrypted web management portal, XML/SOAP encrypted remote API interfaces for third-party network monitoring systems
4. Digital Identity Certificate Support: Manufacturer-Installed Certificates (MIC), Locally Significant Certificates (LSC), and X.509 DER/Base64 digital identity certificates for secure TLS authentication to TACACS+/RADIUS AAA servers
5. QoS Traffic Prioritization Compliance: IEEE 802.1Q VLAN tagging for logical segmentation of voice/media traffic and enterprise data traffic; IEEE 802.1p Layer 2 CoS marking to prioritize real-time VoIP and TelePresence video conference streams above standard office data packets, eliminating media latency and packet loss artifacts.

5. Unified Communications & Network Automation Feature Set

Core Enterprise Unified Communications & Meeting QoS Feature Set

1. Supported Unified Communications Deployment Scenarios:
   • Large enterprise campus core/distribution layer high-density Gigabit copper access aggregation for CUCM IP phone endpoints and desktop workstations
   • Data center copper access for IP telephony media gateways and video conference TelePresence appliances
   • Metro Ethernet business customer copper access links for hosted unified communications service provider deployments
2. Complete Voice & Video Call QoS Control Operations:
   • Auto-QoS template automatic CoS/DSCP marking for VoIP media packets on all RJ45 copper access ports
   • Strict priority egress queue scheduling to guarantee low-latency transport for TelePresence video conference traffic
   • Per-port ingress policing to limit rogue voice/video stream bandwidth consumption and protect mission-critical media traffic
   • OBTP (One Button To Push) calendar-scheduled meeting dynamic QoS policy activation; line card automatically prioritizes video conference traffic during pre-booked enterprise TelePresence meetings
3. Directory & Network Log Management Capabilities:
   • LDAP corporate directory lookup compatibility integrated with Cisco Unified Communications Manager (CUCM) and Cisco TelePresence Management Suite (TMS)
   • Persistent local switch logging storage on supervisor engine onboard flash memory; remote syslog server export for centralized enterprise network audit tracking
4. Supplementary Unified Communications Features: Integrated visual voicemail indicator support for IP phone endpoints, single number reach mobility feature support, ad-hoc point-to-point video conference traffic prioritization; URI dialing support for SIP video endpoints, RFC 4733 DTMF tone transmission for analog PSTN gateway integration; NTP network time synchronization for accurate meeting log timestamps, DNS service discovery, automatic gatekeeper discovery for legacy H.323 TelePresence endpoint interoperability.

Intelligent Network Workflow Automation Functions

1. OBTP Scheduled Meeting QoS Sync: When enterprise video conferences are scheduled via Microsoft Outlook/Google Calendar and launched from Cisco TelePresence endpoints connected to the Catalyst 6500/7600 switch/router, the WS-X6748-GE-TX line card automatically applies high-priority QoS policies to all copper RJ45 ports carrying conference media traffic without manual administrator configuration
2. Automatic System Hardware Fault Monitoring: Continuous real-time monitoring of line card internal temperature, port physical link status, DFC daughter card initialization status; automated SNMP trap alert generation sent to enterprise network monitoring servers for hardware failure pre-alerting
3. Multi-Platform Meeting Interoperability: Native certified support for Cisco Webex Meetings traffic QoS prioritization, all third-party standards-compliant SIP/H.323 video conferencing endpoints without requiring auxiliary external AV switching hardware or third-party media bridge equipment
4. Multi-Mode Device Control Interfaces: Full Catalyst 6500/7600 chassis and line card function control via three independent user interface methods:
   • Local RJ-45 console CLI (primary local administrator control method for all switch configuration and troubleshooting functions, located on chassis supervisor engine front panel)
   • Remote HTTPS encrypted web administration portal for off-site enterprise IT administrator full chassis configuration and real-time port/route status monitoring
   • Bidirectional SNMP v2c / v3 MIB control integration for third-party enterprise network monitoring automation systems (SolarWinds, PRTG, Zabbix)
5. Third-Party Enterprise Network Monitoring Automation Integration: Supports SNMP trap notification linkage with third-party network monitoring platforms, standardized MIB object libraries for chassis resource utilization tracking, fully customizable automation macros for scheduled switch configuration backup, IOS/IOS XE image upgrade scheduling, and routine port status audit workflows
6. Digital Signage Kiosk Standby Mode QoS: Configurable automatic QoS policy adjustment for connected digital signage kiosk endpoints during off-hours non-meeting periods, lowering signage traffic priority to reserve uplink fiber bandwidth for critical enterprise voice and video conference traffic.

6. Supported Enterprise Compatibility Platforms

1. On-Premises Unified Communications Architecture: Cisco Unified Communications Manager (CUCM) version 8.x, 9.x, 10.x stable official software releases with dedicated Catalyst 6500 core/distribution switch voice VLAN and QoS compatibility configuration templates, integrated with Cisco Unified Presence (Jabber IM/presence synchronization) and Cisco TelePresence Management Suite (TMS) for enterprise-wide IP phone and video conference endpoint full-lifecycle management
2. Remote Access & Cloud Hybrid Architecture: Cisco TelePresence Expressway-C / Expressway-E cross-firewall traversal gateways for secure off-site remote TelePresence endpoint registration across corporate network fiber infrastructure; native support for Cisco WebEx cloud meeting platform and Cisco TelePresence Management Suite (TMS) centralized on-premises device management portal
3. Third-Party Interoperability Compliance: Fully standards-compliant SIP RFC signaling protocol, H.323 and H.460 firewall traversal communication protocols, compatible with all industry-standard third-party video conferencing platforms, IP PBX telephone systems and multi-vendor TelePresence endpoint hardware from competing collaboration vendors, as well as all third-party enterprise network monitoring and SNMP management platforms.

7. Core Deployment Advantages of Cisco WS-X6748-GE-TX Line Card

1. Standard full-slot hot-swappable design exclusive to Catalyst 6500 campus core switches and 7600 service provider routers, delivering high-density all-copper Gigabit access connectivity; enables flexible mixed-port-type deployments combining this fixed copper module with other WS-X67xx series line cards (24/48-port SFP fiber, 4-port 10GE) in a single modular chassis, ideal for large enterprise campus wiring closets, high-density data center server racks, and carrier metro Ethernet business access environments
2. Fixed RJ45 copper-only architecture eliminates SFP transceiver procurement, inventory, and maintenance overhead, delivering lower total cost of ownership for network environments that exclusively deploy short-range Cat5e/Cat6 twisted-pair copper cabling
3. Dual 20-Gbps fabric channel design provides higher aggregate backplane bandwidth than single-fabric-channel CEF720 modules, supporting high-volume concurrent Gigabit copper traffic flows with predictable 1.2:1 oversubscription performance
4. Upgradable distributed forwarding architecture: Base centralized CEF forwarding can be field-upgraded with WS-F6700-DFC3 series daughter cards to enable local line-card dCEF line-rate packet processing, removing supervisor engine packet processing bottlenecks for high-throughput campus access and data center workloads
5. Zero PoE power circuit design delivers moderate chassis power consumption, reducing overall rack power load and cooling requirements when deployed alongside PoE copper line cards in the same Catalyst 6500 chassis
6. Dedicated 1.3MB per-port packet buffers provide robust burst traffic absorption capability, minimizing packet loss during peak enterprise workstation and server traffic load periods
7. Centralized CEF720 forwarding architecture inherits all advanced Layer 2/Layer 3, QoS, and security features directly from the installed Supervisor Engine 720, eliminating the need for separate ASIC feature licensing on the base line card itself and delivering exceptional long-term investment protection via simple supervisor engine IOS firmware upgrades
8. Full hot-swappable operation allows IT administrators to replace or add this line card to the Catalyst 6500/7600 chassis without shutting down the entire switch/router, minimizing enterprise network maintenance downtime and supporting 24/7 always-on business network and carrier service requirements
9. Passive heatsink thermal design produces zero audible operational noise from the line card module itself; all cooling load is handled by the chassis main fan tray, making WS-X6748-GE-TX perfectly suited for quiet office wiring closet and executive campus network closet environments where noisy active-cooled line card modules create disruptive background distractions
10. Full backward compatibility with all generations of Supervisor Engine 720 and 720-10GE for Catalyst 6500/7600 chassis, fully interoperable with existing enterprise CUCM/VCS/TMS on-premises unified communications infrastructure, enabling cost-effective high-density copper access line card hardware replacement without full chassis refresh investment
11. Centralized mass Gigabit Ethernet wired LAN device fleet management via CUCM, TMS or VCS simplifies bulk IOS firmware batch upgrades, batch standardized enterprise security/QoS policy template deployment, real-time distributed headquarters/branch office Catalyst 6500 chassis hardware health monitoring and remote IT administrator troubleshooting, drastically reducing daily enterprise IT administration workload for large-scale distributed global corporate headquarters, regional branch office and carrier service provider network fleets.

8. Supplementary Product Specification Notes

SKU / Model Naming Recap

• WS-X6748-GE-TX: Cisco Catalyst 6500 / 7600 Series full-slot 48-port fixed RJ45 10/100/1000BASE-T Gigabit Ethernet hot-swappable all-copper switching line card, CEF720 centralized forwarding architecture managed by Supervisor Engine 720, dual 20-Gbps fabric channels (40Gbps aggregate bandwidth, 1.2:1 oversubscription), zero PoE inline power support, fixed copper RJ45 interface (no SFP transceiver slots), optional WS-F6700-DFC3 distributed forwarding daughter card upgrade, IEEE 802.3az Energy Efficient Ethernet, dedicated 1.3MB per-port packet buffers, compatible exclusively with Catalyst 6500-E/6506/6509/6513 and Cisco 7600 series chassis with Supervisor Engine 720 platform, universal 100–240V AC chassis power input compatible, K9 secure IOS SX firmware compliant with AES encrypted management traffic and full enterprise NAC security policy support for regulated industry large campus wiring closet, high-density data center server rack and service provider metro Ethernet copper access deployments.
• K9 Compliance Note: All factory WS-X6748-GE-TX IOS SX firmware releases implement H.235v3 AES 128-bit encrypted remote CLI, web portal and SNMP management traffic, meeting Cisco K9 secure network hardware classification standards required for government, military, healthcare, and financial regulated enterprise campus and service provider network deployments.
• NR Variant Note: No separate RF-restricted NR cellular radio variant exists for WS-X6748-GE-TX; the line card contains no integrated cellular mobile radio signal generation or transmission modules, all network connectivity is delivered exclusively via fixed RJ45 copper ports only.

Regulatory Compliance Certifications

Fully compliant with global international industry certification standards including EU Low-Voltage Directive 2014/35/EU (IEC/EN 60950-1), EMC Electromagnetic Compatibility Directive 2004/108/EC, UL 60950-1 safety certification, CAN/CSA-C22.2 No. 60950-1, FCC CFR 47 Part 15 Class A electromagnetic emissions certification for data center IT networking equipment, NEBS Level 3 carrier-grade compliance, ETSI ETS-300386-2, EN 50121-4, and global RoHS hazardous substance restriction compliance approval.

Factory Hardware Warranty Terms

Standard 1-year limited hardware warranty coverage for brand-new factory-sealed complete WS-X6748-GE-TX line card modules purchased through official Cisco authorized global distribution channel partners. Critical lifecycle limitation note: The product EoS/EoSS status restricts active hardware replacement warranty service eligibility for all WS-X6748-GE-TX units purchased after Cisco’s official End-of-Sale cutoff date; all formal Cisco technical TAC engineering hardware repair support services terminated permanently at the published End-of-Support date.

UNSPSC Classification Code

43222612 (Full-slot hot-swappable modular enterprise core / service provider router all-copper Gigabit Ethernet high-density access switching line card exclusive to Catalyst 6500 and Cisco 7600 series chassis, 48-port fixed RJ45 10/100/1000BASE-T copper interfaces without SFP transceiver slots, CEF720 centralized forwarding architecture upgradeable with DFC3 distributed forwarding daughter cards, dual 20-Gbps chassis switch fabric channels, zero PoE inline power delivery, dedicated per-port packet buffers, hardware QoS and enterprise NAC access security feature support, AES encrypted network management traffic, compatible with all Supervisor Engine 720 variants for modular rack-mount large enterprise campus wiring closet, high-density data center server rack and carrier metro Ethernet switch/router chassis deployments).