BlackBox LE2721C
8-Port 100/1000Mbps SFP Module*

Hardened Modular Switch 10M/100M/1G/10G with Management

This rugged, modular industrial switch is designed for maximum availability and adaptability, making it ideal for challenging industrial environments such as oil/gas stations, substations, and municipal networks. Equipped with four modular ports and a dedicated 10-Gbps module slot, this switch offers flexible speed and network structure requirements, while redundant power supplies maximize fault tolerance.

Technical Specifications:

Modular Expansion:

• Four modular slots for 10/100/1000 Mbps copper/fiber modules, plus a dedicated 10-Gbps module slot
• Flexible expansion through 4-port modules (100/1000 Mbps SFP, 10-Gbps SFP+, 100BASE-FX Multimode) and 8-port modules (10/100/1000BASE-T copper and 100/1000 Mbps SFP)
• SFP ports for multimode, singlemode, or copper connections

Availability:

• Dual redundant power supplies with a switchover time of less than 30 milliseconds
• Management options: Web, SNMP, or console, local and remote
• High availability functions: XSTP, Link Aggregation, redundant rings

Data and Traffic Management:

• Jumbo Frames up to 9.6 KB, VLAN tagging (IEEE 802.1Q)
• QoS (Quality of Service) and IGMP Snooping v2/v3 for IP multicast
• 8 priority queues for optimized traffic control

Comprehensive Security Features:

• Port- and MAC-based security: 802.1x authentication, SNMPv3, HTTPS/SSH for secure access
• VLAN for segmentation and network traffic security
• Guest VLAN, access control with TACACS+ and RADIUS authentication

Software Features:

• Network synchronization: IEEE 1588v2 timing synchronization, Multiple Registration Protocol (MRP)
• Redundant ring with recovery time <30 ms for up to 250 devices
• DHCP Server/Client and DHCP Relay, Modbus TCP, DNS Client Proxy

Certifications and Environmental Compliance:

• EMI: FCC Part 15, CISPR (EN55022) Class A, EN50155 (EN50121-3-2), EN55011, EN50121-4
• EMS: EN61000-4-2, -4-3, -4-4, -4-5, -4-6, -4-8, -4-11

Environmental Requirements:

• Operating Temperature: -40 to +85 °C
• Storage Temperature: -40 to +85 °C
• Relative Humidity: 5 to 95%, non-condensing

Power Supply and Dimensions:

• Input: Dual 88–264 VAC/100–370 VDC via terminal blocks
• Consumption: Max. 43.5 Watts; surge protection integrated
• Dimensions: 4.4 cm H x 44 cm W x 32.5 cm D (19-inch rack mount)
• Weight: 6.6 kg

LED Indicators:

• 39 LEDs: Power, Ring, Fault, Link, Speed, FDX, RMT, and more for comprehensive status overview

Available Modules:

• LE2710C: (4) 100BASE-FX MM SC (2 km), for slots A, B, C
• LE2711C: (4) 100BASE-FX MM ST (2 km), for slots A, B, C
• LE2720C: (8) RJ-45 10/100/1000BASE-T, for slots A, B, C
• LE2721C: (8) SFP 100/1000 Mbps, for slots A, B, C
• LE2731C: (4) 10-GbE SFP+ slots, exclusive for slot D

Warranty:

• 5-year Double Diamond™ warranty