The Alcatel-Lucent OS6855-U24XD is an enterprise-class, industrial-grade switch designed to deliver robust connectivity and performance across a diverse range of deployments. As a managed Layer 3 switch supporting Gigabit Ethernet, it is engineered for uncompromising network reliability in mission-critical environments, including industrial automation and infrastructural networks exposed to harsh environments. This Alcatel-Lucent switch comes equipped with a flexible port configuration??2 x Gigabit SFP, 2 x combo Gigabit SFP, and 2 x 10 Gigabit SFP+—allowing seamless integration into modern enterprise and industrial infrastructures. Its stackable 1U form factor, combined with superior fault tolerance and a rich suite of advanced features such as DHCP support, VLAN, IGMP snooping, and DoS attack prevention, makes it a versatile solution for distributors, system integrators, and end users requiring secure, resilient, and high-performance network backbones. For projects demanding extreme temperature endurance or operational continuity in challenging climates, the OS6855-U24XD is rated for operation from -40°C to 70°C and incorporates robust industrial compliance standards, making it ideal for demanding scenarios throughout Asia, Europe, Africa, and North America. Paired with strong authentication and encryption options—including Secure Shell (SSH), RADIUS, TACACS+, and PKI—the switch is a pivotal cornerstone for businesses and industries looking to modernize with advanced gigabit connectivity, industrial automation adaptability, and maximum resilience against environmental and cyber threats.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | OS6855-U24XD | OS6860-24D | OS6450U24SXM | C1-WS3650-24UQ/K9 |
| Brand | Alcatel-Lucent | Alcatel-Lucent | Alcatel-Lucent | Cisco |
| Port Configuration | 22 x Gigabit SFP, 2 x combo Gigabit SFP, 2 x 10 Gigabit SFP+ | 24 x 10/100/1000Base-T RJ-45, 4 x SFP+, 2 x QSFP+ stack | 22 x Gigabit SFP, 2 x 10 Gigabit Ethernet / 1 Gigabit Ethernet SFP+, 2 x combo Gigabit SFP | 24 × Multigigabit (100M/1G/2.5G/5G) RJ45, 4 × 10G SFP+ |
| Switching Capacity | 48 Gbps | 224 Gbps | 128 Gbps | 272 Gbps |
| Forwarding Rate | 65.5 Mpps | 154.9 Mpps | 95.3 Mpps | 130.95 Mpps |
| PoE Budget | n/a | n/a | n/a | Up to 640W (with PWR-C2-1025WAC) |
| Stacking Capability | 4 units | Up to 8 units per stack | 8 | StackWise-160 (up to 9 units) |
Optional Add-ons
| Model Number | Description |
| SFP-GIG-LX | Alcatel-Lucent Gigabit LX SFP Module for long-distance fiber connectivity |
| OS68-PWR-80W | Alcatel-Lucent 80W external hot-plug power adapter for OS6855 Series |
| OS68-RACKKIT-1U | Alcatel-Lucent 1U Rack Mounting Kit for secure installation in IT or industrial racks |
Alcatel-Lucent OS6855-U24XD Specification
| Model | OS6855-U24XD |
| Brand | Alcatel-Lucent |
| Device Type | Switch – 24 ports – L3 – Managed – stackable |
| Subtype | Gigabit Ethernet |
| Enclosure Type | Desktop, rack-mountable, wall-mountable 1U |
| Ports | 22 x Gigabit SFP, 2 x combo Gigabit SFP, 2 x 10 Gigabit SFP+ |
| Interfaces | 2 x 1000Base-T RJ-45, 24 x SFP, 2 x SFP+, 1 x RJ-45 management, 1 x USB 2.0 Type A |
| Authentication Method | Secure Shell (SSH), RADIUS, TACACS+, LDAP, Extensible Authentication Protocol (EAP) |
| Encryption Algorithm | MD5, PKI |
| Features | Redundant Power System connector, Fault tolerance, Layer 3 switching, Layer 2 switching, DHCP support, auto-negotiation, BOOTP support, RARP support, ARP support, VLAN support, auto-uplink (MDI/MDI-X), IGMP snooping, Syslog support, DoS attack prevention, port mirroring, DiffServ support |
| Capacity | Virtual interfaces (VLANs): 4096 |
| Jumbo Frame Support | 9216 bytes |
| MAC Address Table Size | 16K entries |
| Flash Memory | 128 MB |
| RAM | 256 MB SDRAM |
| Installed Size | 1 |
| Max Units In A Stack | 4 |
| Max Supported Quantity | 2 |
| Performance | Switching capacity: 48 Gbps, Aggregate switching capacity: 96 Gbps, Layer 2 throughput: 65.5 Mpps |
| MTBF | 373,980 hours |
| Power Device | External power adapter – hot-plug |
| Power Provided | 80 W |
| Power Consumption (Operational) | 51 W |
| Power Redundancy | Optional |
| Power Redundancy Scheme | 1+1 (with optional power supply) |
| Voltage Required | DC -48 V |
| Compliant Standards | MIL-STD 810F, MIL-STD 901D, EN 61000-3-2, EN55022, IEC 61000-4-3, VCCI Class A ITE, EN 61000-3-3, EN55024, UL 60950, EN 61000-4-4, EN 61000-4-2, EN 61000-4-3, EN 61000-4-6, EMC, EN 61000-4-5, EN 61000-6-2, EN 61000-4-11, EN 61000-4-8, IEC 60950-1, EN 6095 |
| Status Indicators | Power, link OK, RPS (Redundant Power Supply), link/activity |
| Remote Management Protocol | SNMP 1, SNMP 2, RMON, Telnet, SNMP 3, SNMP 2c, HTTP, TFTP, SSH, CLI |
| Routing Protocols | BGP-4, RIP-1, RIP-2, IGMPv2, IGMP, DVMRP, VRRP, OSPFv2, PIM-SM, PIM-DM, IGMPv3, GRE, OSPFv3, Multiprotocol BGP, static IPv4 routing, static IPv6 routing, RIPng, MLD, VRRPv2, VRRPv3, CIDR |
| Software Included | AOS Access Guardian Framework |
| Rack Mounting Kit | Included |
| Dimension (W x D x H) | 43.8 cm x 27.4 cm x 4.4 cm |
| Operating Temperature | -40°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Operating Humidity | 5% ??95% (non-condensing) |
| Storage Humidity | 5% ??95% (non-condensing) |
| Version | Original |
| OS6855-U24XD | OS6855-U24XD |
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