The Alcatel-Lucent OS6855-U24XDL is an industrial-grade, enterprise-class switch expertly engineered for modern industrial networks requiring robust reliability and versatile performance. As an advanced Alcatel-Lucent switch, it delivers exceptional Layer 3 managed switching for demanding applications. Featuring a hardened chassis, this model is designed for harsh operational environments, thriving in extreme temperatures from -40°C to 70°C. Its port configuration enables connectivity for up to 24 high-speed interfaces, including 10 Gig SFP+ uplink capability, catering to bandwidth-intensive workloads and future network scaling. Built with redundant power system options and comprehensive security features like SSH, RADIUS, LDAP, EAP, and advanced PKI encryption, the OS6855-U24XDL sets a benchmark for network integrity and uptime. Businesses benefit from fault tolerance, rich VLAN and jumbo frame support, and broad protocol compatibility, positioning this switch as the go-to backbone for mission-critical infrastructure across energy, utilities, transportation, and smart city deployments. The switch’s intelligent management, high MTBF, and extensive credentials with compliance standards underscore its value for global integrators, distributors, and end users seeking industrial resilience with data center performance. By seamlessly integrating 10 Gig SFP+ capabilities with a rugged platform, the OS6855-U24XDL leads in agility and security for sophisticated, next-generation networking needs.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | OS6855-U24XDL | C1-WS3650-24TS/K9 | C1-WS3650-24PD/K9 | JL666A |
| Brand | Alcatel-Lucent | Cisco | Cisco | Aruba |
| Port Configuration | 22 x Gigabit SFP, 2 x combo Gigabit SFP, 2 x 10 Gigabit SFP+ | 24 × 10/100/1000BASE-T, 4 × 1G SFP uplinks | 24 × 10/100/1000BASE-T PoE+ ports, 2 × 10G SFP+ uplinks | 24x 1 Gigabit Ethernet PoE+ RJ-45 |
| Switching Capacity | 48 Gbps | 92 Gbps | 254 Gbps (Multigigabit model) | 448 Gbps |
| Forwarding Rate | 65.5 Mpps | 41.66 Mpps | 68.45 Mpps | 334 Mpps |
| PoE Budget | n/a | No (non-PoE model) | 640W (with PWR-C2-640WAC) | 370W |
| Stacking Capability | 4 | StackWise-160 (160 Gbps bandwidth) | StackWise-160 (160 Gbps bandwidth) | Supports up to 10 switches in a stack |
Optional Add-ons
| Model Number | Description |
| SFP-GIG-LX | Alcatel-Lucent SFP Gigabit LX Transceiver Module, long-distance fiber optic connectivity for OS6855 Series |
| RPS6855 | Alcatel-Lucent Redundant Power Supply Unit, provides backup power and failover support for industrial switches |
| SFP-10G-SR | Alcatel-Lucent 10G SFP+ SR Transceiver, high-speed uplink for OS6855 and compatible series |
Alcatel-Lucent OS6855-U24XDL Specification
| Model | OS6855-U24XDL |
| Brand | Alcatel-Lucent |
| Device Type | Switch – 24 ports – Layer 3 – Managed – Stackable |
| Subtype | Gigabit Ethernet |
| 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 |
| Enclosure Type | Desktop, rack-mountable, wall-mountable (1U) |
| Rack Mounting Kit | Included |
| Switching Capacity | 48 Gbps |
| Aggregate Switching Capacity | 96 Gbps |
| Layer 2 Throughput | 65.5 Mpps |
| MAC Address Table Size | 16K entries |
| Authentication Methods | SSH, RADIUS, TACACS+, LDAP, EAP |
| Encryption Algorithm | MD5, PKI |
| Capacity | Virtual interfaces (VLANs): 4096 |
| Jumbo Frame Support | 9216 bytes |
| Flash Memory | 128 MB |
| RAM | 256 MB SDRAM |
| MTBF | 373,980 hours |
| Maximum Stack Units | 4 |
| Power Consumption (Operational) | 51 W |
| Power Provided | 80 W |
| Power Device | External power adapter – hot-plug |
| Power Redundancy | Optional, 1+1 (with optional power supply) |
| Remote Management Protocols | SNMP v1/v2/v2c/v3, RMON, Telnet, HTTP, TFTP, SSH, CLI |
| Routing Protocols | BGP-4, RIP-1, RIP-2, RIPng, IGMPv2/v3, IGMP, DVMRP, VRRP/v2/v3, OSPFv2/v3, PIM-SM, PIM-DM, GRE, Multiprotocol BGP, static IPv4/IPv6 routing, MLD, CIDR |
| Features | Redundant Power System (RPS) connector, fault tolerance, Layer 3 switching, Layer 2 switching, DHCP and BOOTP support, auto-negotiation, RARP, ARP, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, Syslog, DoS attack prevention, port mirroring, DiffServ support |
| 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) |
| Dimensions (W x D x H) | 43.8 cm x 27.4 cm x 4.4 cm |
| Voltage Required | DC 24 V |
| Status Indicators | Power, link OK, RPS, link/activity |
| 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 61000-4-6, EMC, EN 61000-4-5, EN 61000-6-2, EN 61000-4-11, EN 61000-4-8, IEC 60950-1, EN 6095 |
| Software Included | AOS Access Guardian Framework |
| Installed Size | 1 |
| Max Supported Quantity | 2 |
| Version | Original |
| OS6855-U24XDL | OS6855-U24XDL |
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