OS6900-T20D-R, Alcatel-Lucent OS6900 Switch, 20x10GBase-T/1U/Rear-Front Cooling

The Alcatel-Lucent OS6900-T20D-R is a high-performance enterprise switch designed to address the demands of today’s modern networks. Engineered with robust capabilities, this switch delivers twenty 10GBase-T ports, which empower high-speed server aggregation and network core upgrades in enterprise environments. As a managed, stackable Layer 3 enterprise switch, it offers advanced automation, dynamic routing, and seamless scalability to support complex networking needs. The OS6900-T20D-R features a modular power supply architecture, giving network administrators flexibility for redundancy and maintenance while enhancing uptime. Backed by robust security protocols and encryption support, this model safeguards critical business data across distributed environments. Its rack mount 1U form factor, with strong back-to-front airflow design, makes it especially well-suited for data center or high-density deployments. The OS6900-T20D-R is not just powerful—it’s efficient, consuming only 206W in operation, thanks to intelligent hardware design and a modular power supply. Flexible management interfaces, including USB, RJ-45 console, and dedicated network ports, ensure administrators can deploy, scale, and maintain networks efficiently across diverse sites. Whether for distributed branches in Asia, fast-growing European data centers, infrastructure in Africa, or North American digital transformation projects, this enterprise switch is the foundation for scalable, secure, and performance-driven networking. With comprehensive protocol support for IPv4/IPv6, VLANs, and advanced monitoring, the OS6900-T20D-R delivers optimal agility and reliability for distributors, integration partners, and end users seeking future-ready infrastructure upgrades.

Product Highlights

640 Gbps

Switching

480 Mpps

Throughput

20 x 10G

10GBase-T

Product Applications Scenarios

Data Center

This switch optimizes data center connectivity with its 10GBase-T capability, offering high performance and reliable modular power for scalable deployments, reducing network bottlenecks by up to 80%.

Enterprise Network

Purpose-built for enterprise core and aggregation, the modular power supply and advanced Layer 3 services ensure maximum uptime and agile service delivery in evolving environments.

Cloud Services

With rack mount flexibility and seamless 10GBase-T integration, the OS6900-T20D-R enables high-speed cloud service access and scalability for distributed digital businesses worldwide.

Product Features Comparison


Model	OS6900-T20D-R	OS6900-X20D-F	OS6860-48D	OS6350-48
Brand	Alcatel-Lucent	Alcatel-Lucent	Alcatel-Lucent	Alcatel-Lucent
Port Configuration	20 x 10GBase-T	20 x 1G/10G SFP+	48 x 10/100/1000 + 4 x 10G SFP+	48 x 10/100/1000Base-T + 4 x 1000Base-X SFP
Switching Capacity	640 Gbps	640 Gbps	264 Gbps	104 Gbps
Forwarding Rate	480 Mpps	480 Mpps	190.6 Mpps	77.38 Mpps
PoE Budget	n/a	n/a	n/a	n/a
Stacking Capability	Yes	Yes	Yes	n/a

Optional Add-ons

Model Number	Description
OS6900-PSU-AC	Alcatel-Lucent AC Power Supply Module for OS6900 Series ??ensures modular power redundancy.
OS6900-FAN	Hot-swappable Fan Module for OS6900 Series, supports efficient rack-mounted cooling airflow.
SFP-10G-LR	10G SFP+ LR Optical Transceiver for long-range fiber connectivity, Alcatel-Lucent compatible.

Alcatel-Lucent OS6900-T20D-R Specification

Model	OS6900-T20D-R
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
Enclosure Type	Back to front airflow desktop, rack-mountable 1U
Expansion Slots	1 (total) / 1 (free) x Expansion Slot
RAM	4 GB
Flash Memory	2 GB
Authentication Method	SSH, SSH2, RADIUS, TACACS+, LDAP, EAP
Encryption Algorithm	MD5, PKI
Remote Management Protocol	SNMP 1, SNMP 2, SNMP 3, SNMP 2c, RMON, Telnet, HTTP, HTTPS, TFTP, CLI
Routing Protocol	IS-IS, RIP-1, RIP-2, IGMPv2, IGMP, VRRP, IGMPv3, GRE, PIM-SSM, Bidirectional PIM, static IPv4 routing, MLDv2, MLD, Bidirectional Forwarding Detection (BFD), CIDR
Compliant 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
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
Performance	Switching capacity: 640 Gbps, Throughput: 480 Mpps, Latency: 3.3 µs
Jumbo Frame Support	Yes
Installed Size	1
Max Supported Qty	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
MTBF	152,364 hours
Operating Humidity	5 – 95% (non-condensing)
Storage Humidity	5 – 95% (non-condensing)
Min Operating Temperature	0 °C
Max Operating Temperature	45 °C
Min Storage Temperature	-10 °C
Max Storage Temperature	70 °C
Rack Mounting Kit	Included
Included Accessories	Rubber feet, USB to RJ-45 adapter
Status Indicators	Power, system, RPS (Redundant Power Supply), link/activity
Version	Original
Depth	55.9 cm
Width	43.3 cm
Height	4.4 cm