Advertisement
Table of Contents
Advertisement
Table of Contents
Related Manuals for 3Com 3CRS48G-48-91
Summarization of Contents
Key Benefits
High Expandability for Investment Protection
Details auto-sensing connections, dual-speed SFPs, and 10-Gigabit expansion slots for network investment protection.
Premium Security
Discusses multilayer security features like SSH, SSL/HTTPS, SNMPv3, ACLs, uRPF, IEEE 802.1X, and MAC-based login.
Multilayer Reliability
Covers link reliability technologies like RRPP, Spanning Tree protocols, and hardware resiliency with redundant power systems.
Convergence-Ready Support
Explains PoE capabilities for powering network equipment and voice VLAN technology for QoS on voice traffic.
Unparalleled Quality of Service
Details L2-L4 packet filtering, flow classification, queue scheduling modes (SP, WRR, SP+WRR), CAR, and port mirroring.
Powerful, Integrated Management Capabilities
Covers SNMP, CLI, web management, TELNET, encryption (SSH2.0, SNMPv3, HTTPS), and VLAN/ACL policies.
Redundant Power System Support
Explains RPS connection benefits, including power budget for PoE and continued operation during power supply failure.
Product Warranty and Other Services
Warranty
Details 3Com Limited Lifetime Warranty, hardware coverage, and in-warranty hardware replacement terms.
Software Coverage
Covers 90 days for media replacement and access to software updates and online knowledgebase support.
Service and Support
Network Health Check
Describes an activity-auditing service for network performance improvement and productivity.
Network Installation and Implementation Services
Details expert setup, configuration, and integration services for maximizing functionality.
Project Management
Focuses on managing projects from initial specifications to post-project review using structured methodology.
3Com Guardian Maintenance Service
Offers comprehensive on-site support, advance hardware replacement, and expedited technical support.
3Com Express Maintenance Service
Provides quick access to hardware replacements and expedited technical support for network devices.
3Com University
Offers self-paced and instructor-led technology and product courses, plus certification programs.
Specifications
Connectivity
Details port configurations, expansion slots, and auto-MDI/MDIX for various 4800G models.
Performance
Lists switching capacity, forwarding rates, stacking performance, and latency for the switches.
Layer 2 Switching
Covers MAC address table, static MACs, jumbo frames, VLANs, GVRP, VLAN mapping, and link aggregation.
Layer 3 Routing
Details IPv4/IPv6 routing, static routes, ARP entries, OSPF, PIM, BGP, VRRP, and RRPP support.
Security
Lists IEEE 802.1X, RADIUS/TACACS+, MAC-based authentication, ACLs, uRPF, ARP inspection, and denial of service protection.
Stacking
Explains optional CX4/XFP connections, XRN technology, stacked IP management, and hot-swappable stacking.
Management
Covers console interface, CLI, SNMP, web interface, remote configuration, syslog, and management applications.
Dimensions
Provides physical dimensions (height, width, depth) for different models.
Power Supply
Specifies the AC rated voltage range for the power supply.
Environmental Requirements
Details operating temperature and humidity ranges for the switches.
Reliability
Lists MTBF (Mean Time Between Failures) for different switch models.
Emissions/Agency Approvals
Lists various agency approvals and emissions standards compliance.
Safety Agency Certifications
Lists safety certifications like UL, IEC, EN, and CAN/CSA.
Standards and Protocols
Lists numerous IEEE and RFC standards supported by the switches.
Need help?
Do you have a question about the 3CRS48G-48-91 and is the answer not in the manual?
Questions and answers