The Alcatel-Lucent OS6900-T20D-F is an enterprise-class switch designed to meet the rigorous demands of modern enterprise networks, delivering highly scalable, secure, and resilient connectivity for large-scale operations. This switch stands out with its robust support for 10Gigabit Ethernet, ensuring fast interconnectivity for data-intensive applications while optimizing bandwidth for seamless networking experiences. Designed for flexibility, the OS6900-T20D-F integrates a modular DC power system, enabling efficient power management and provisioning for critical infrastructure environments. Its thoughtful front to rear cooling system maintains optimal device temperature, allowing for reliable performance even in dense, mission-critical deployments. With advanced Layer 3 stackable management features, high throughput of up to 480 Mpps, and a switching capacity of 640 Gbps, it addresses the needs of both distributed enterprises and dynamic data centers. Broad authentication and encryption options—such as SSH, RADIUS, PKI, and LDAP—provide comprehensive network security, which is vital for compliance in regulated industries across Asia, Europe, Africa, and North America. The OS6900-T20D-F also supports various remote and routing protocols including IS-IS, RIP, IGMP, and BFD, positioning it as an ideal backbone component for organizations looking to scale securely. Its compact 1U rack-mountable enclosure with front to back airflow is engineered for straightforward integration and effective utilization of rack space, supporting enterprise growth, high-density edge, and core deployments. The modular DC power and advanced cooling ensure high efficiency and reliability for critical operations, making it a key enabler for forward-thinking IT architects, resellers, and end-users who prioritize performance, security, and sustainable network investments.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | OS6900-T20D-F | OS6900-T20D-R | OS6860E-48D | OS6860E-U28 |
| Brand | Alcatel-Lucent | Alcatel-Lucent | Alcatel-Lucent | Alcatel-Lucent |
| Port Configuration | 20 x 10GBase-T | 20 x 10GBase-T | 48 x 10/100/1000 + 4 x 10G SFP+ | 28 x SFP, 4 x 10G SFP+ |
| Switching Capacity | 640 Gbps | 640 Gbps | 264 Gbps | 224 Gbps |
| Forwarding Rate | 480 Mpps | 480 Mpps | 190.6 Mpps | 160.9 Mpps |
| PoE Budget | n/a | n/a | n/a | n/a |
| Stacking Capability | Stackable | Stackable | Stackable | Stackable |
Optional Add-ons
| Model Number | Description |
| OS6900-PSU-DC | Alcatel-Lucent DC Power Supply Module for OS6900 Series—modular DC redundancy. |
| OS6900-FAN | Alcatel-Lucent Front to Rear Cooling Fan Module for OS6900 Series—hot-swappable fan unit for optimal airflow. |
| OS-XNI-U2 | Alcatel-Lucent Expansion Interface Module—provides additional uplink flexibility for OS6900 Series switches. |
Alcatel-Lucent OS6900-T20D-F Specification
| Model | OS6900-T20D-F |
| Brand | Alcatel-Lucent |
| Device Type | Switch – 20 ports – L3 – Managed – Stackable |
| Subtype | 10 Gigabit Ethernet |
| Ports | 20 x 10GBase-T |
| Interfaces | 20 x 10GBase-T RJ-45, 1 x USB Type A, 1 x console management, 1 x RJ-45 management |
| Performance | Switching capacity: 640 Gbps; Throughput: 480 Mpps; Latency: 3.3 µs |
| RAM | 4 GB |
| Flash Memory | 2 GB |
| Expansion Slots | 1 (total) / 1 (free) x Expansion Slot |
| Included Accessories | Rubber feet, USB to RJ-45 adapter |
| Enclosure Type | Front to back airflow desktop, rack-mountable 1U |
| Rack Mounting Kit | Included |
| Max Supported Quantity | 2 |
| Power Device | Internal power supply – hot-plug |
| Power Redundancy | Optional |
| Power Redundancy Scheme | 1+1 (with optional power supply) |
| Power Consumption (Operational) | 206 W |
| Voltage Required | DC -48 V |
| Authentication Method | Secure Shell (SSH), RADIUS, TACACS+, Secure Shell v.2 (SSH2), LDAP, Extensible Authentication Protocol (EAP) |
| Encryption Algorithm | MD5, PKI |
| Compliance Standards | CISPR 22 Class A, GOST, EN 61000-3-2, GS, EN 61000-3-3, EN55024, EN55022 Class A, UL 60950, EN 61000-4-4, EN 61000-4-2, EN 61000-4-3, EN 61000-4-6, ICES-003 Class A, EN 61000-4-5, EN 61000-4-11, EN 61000-4-8, IEC 60950-1, EN 60950-1, UL-AR, EN 60825-1, HM |
| Remote Management Protocol | SNMP 1, SNMP 2, SNMP 2c, SNMP 3, RMON, Telnet, HTTP, HTTPS, TFTP, CLI |
| Routing Protocols Supported | IS-IS, RIP-1, RIP-2, IGMPv2, IGMPv3, IGMP, VRRP, GRE, PIM-SSM, Bidirectional PIM, static IPv4 routing, MLDv2, MLD, Bidirectional Forwarding Detection (BFD), CIDR |
| Jumbo Frame Support | Yes |
| Installed Size | 1 |
| Features | Flow control, VPN support, auto-negotiation, BOOTP support, ARP support, load balancing, VLAN support, ISL support, Syslog support, port mirroring, DiffServ support, MAC address filtering, IPv6 support, Spanning Tree Protocol (STP) support, Rapid Spanning |
| Status Indicators | Power, system, RPS (Redundant Power Supply), link/activity |
| MTBF | 152,364 hours |
| Version | Original |
| Width | 43.3 cm |
| Depth | 55.9 cm |
| Height | 4.4 cm |
| Operating Humidity Range | 5% ??95% (non-condensing) |
| Storage Humidity Range | 5% ??95% (non-condensing) |
| Min Operating Temperature | 0°C |
| Max Operating Temperature | 45°C |
| Min Storage Temperature | -10°C |
| Max Storage Temperature | 70°C |
| OS6900-T20D-F | OS6900-T20D-F |
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