Yes, it's a 1U rackmount/external chassis with dimensions 440 mm W x 173-224 mm D x 43.6 mm H, weighing 2.1-4.9 kg. Designed for standard 19-inch racks in SMB IT environments.

What power requirements apply?

Requires 100-240 VAC, 50/60 Hz via IEC 320 inlet with 5A fuse; max 130W consumption, 443 BTU/hr dissipation. Includes redundant Type 1 60W power connector for failover protection.

What is the MTBF rating?

Rated at 307,563 hours (35 years), indicating high reliability for continuous SMB operations. Supports low-maintenance deployments with robust build quality.

What environmental tolerances does it support?

Operates at 0-50°C (32-122°F), stores -10 to 70°C, and handles 10-95% non-condensing humidity. Ensures performance in typical office conditions.

What compliance standards are met?

Safety: UL 1950, EN 60950, CSA 22.2 #950, IEC 60950. Emissions: EN 55022 Class A, FCC Part 15 Class A. Immunity: EN 55024, EN 50082-1, EN60068. Meets enterprise regulatory needs.

3C16593B - 3Com 3C16593B 24x 10/100 Mbps Dual Speed Hub

Name: 3Com 3C16593B 24x 10/100 Mbps Dual Speed Hub
Brand: 3Com
SKU: 3C16593B

3C16593B - 3Com 3C16593B 24x 10/100 Mbps Dual Speed Hub | US IT Hardware

Product overview

The 3Com SuperStack 3 Baseline Dual Speed Hub (model 3C16593B) is a 24-port Class II repeater hub designed for SMB networks requiring seamless 10/100 Mbps integration. It features 24 RJ-45 autosensing ports supporting Ethernet (10 Mbps) and Fast Ethernet (100 Mbps) standards including IEEE 802.3, 802.3u, and 802.1d. Each port automatically detects device speed for optimized performance without configuration. The 1U rackmount chassis measures 440 x 173 x 43.6 mm, weighs approximately 2.1-4.9 kg, and includes status LEDs for power, traffic, collisions, and LAN segment. Power specs include 100-240 VAC input, 130W max consumption, redundant 60W connector, and 307,563-hour MTBF. Operating range is 0-50°C with 10-95% humidity tolerance. Compliance covers UL 1950 safety and EN 55022 emissions, ensuring reliable deployment in mixed-speed environments like offices connecting legacy 10 Mbps devices to 100 Mbps servers.

24 autosensing 10/100 Mbps RJ-45 ports
Class II repeater for hub cascading
1U rackmount, 0-50°C operation
307,563-hour MTBF reliability
Redundant 60W power connector
IEEE 802.3/802.3u compliant

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	3C16593B
Brand	3Com
Condition	New
MTBF	307,563 hours (35 years)
Model	3C16593B
Standards	ISO 8802-3, IEEE 802.3, IEEE 802.3u, IEEE 802.1d
Status LEDs	Power, network traffic, collisions, LAN segment
Product Line	SuperStack 3 Baseline
Product Type	Dual Speed Hub (Class II repeater)
Ethernet Speed	10/100 Mbps autosensing; supports Ethernet and Fast Ethernet
Compliance Certifications	Safety: UL 1950, EN 60950, CSA 22.2 #950, IEC 60950; Emissions: EN 55022 Class A, FCC Part 15 Subpart B Class A, ICES-003 Class A, VCCI Class A, AS/NZS 3548 Class A, CNS 13438 Class A; Immunity: EN 55024, EN 50082-1, EN60068 (IEC 68)

Compatible systems

No specific system or OS compatibility listed; unmanaged hub works with standard Ethernet networks

Best for

SMB Office Networking
Connects 24 devices with autosensing 10/100 Mbps ports, enabling mixed Ethernet/Fast Ethernet setups in small business environments without reconfiguration.
Workgroup Expansion
Class II repeater allows cascading two hubs, supporting up to 24 RJ-45 ports for expanding workgroups while maintaining IEEE 802.3u standards.
Legacy Network Integration
Autosenses speeds for 10 Mbps legacy devices alongside 100 Mbps servers/printers, with status LEDs for monitoring traffic and collisions.
Rackmount Deployments
1U form factor fits standard 19-inch racks, with 130W power and 0-50°C operation for reliable IT closets in SMBs.

Frequently asked questions

What ports does the 3Com 3C16593B have?

Details

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Power Consumption

Max Wattage	130 W maximum power consumption; 443 BTU/hr heat dissipation
Voltage Input	100-240 VAC, 50/60 Hz; IEC 320 power inlet; 5A fuse protection
Power Supplies	Redundant power connector Type 1 60W

Physical Characteristics

Weight	2.1 kg (5 lb); alternate source 4.9 kg (11 lb)
Dimensions	Width: 440 mm (17.3 in); Depth: 173 mm (6.8 in) or 224 mm (8.8 in); Height: 43.6 mm (1.7 in)
Form Factor	1U rackmount/external chassis

Humidity Tolerance	10 to 95% (non-condensing)
Storage Temperature	-10 to +70°C (14 to 158°F)
Operating Temperature	0 to 50°C (32 to 122°F)

3Com 3C16593B 24x 10/100 Mbps Dual Speed Hub