Overview
The 3Com 1670-410-000-1.00 TP4 OfficeConnect (model 3C16704A) is an entry-level unmanaged Ethernet hub that provides four 10 Mbps twisted-pair connections for small businesses, home offices, and legacy network environments. Featuring a robust yet compact design, this hub operates silently with no fans and requires no configuration—simply plug in and connect devices. The external power supply design ensures straightforward maintenance and replacement if needed.
Key Features
- Four 10BASE-T RJ-45 ports with built-in diagnostic LEDs
- Unmanaged, plug-and-play operation—no configuration required
- CoolCurve self-ventilating design eliminates cooling fan requirements
- External AC power adapter (110/220V ±10%, 50/60Hz) for easy maintenance
- MDI/MDIX switch on port 4 allows cascading up to four hubs in series
- Stacking clips for convenient secure stacking of multiple units
- LED indicators for power, packet receipt, collision detection, and port status alerts
Technical Specifications
- Data Transfer Rate: 10 Mbps
- Ports: 4 × 10BASE-T RJ-45
- Port Type: Twisted-pair Ethernet
- Power Supply: External AC adapter
- Power Input: AC 110–220V ±10% (50/60Hz)
- Dimensions: 8.66 in W × 1.42 in H × 5.31 in D
- Weight: 1.1 lbs
- Standards: IEEE 802.3 10BASE-T Ethernet
Typical Applications
The 3Com OfficeConnect TP4 suits small offices, home networks, and legacy Ethernet expansions where simple 10 Mbps connectivity is sufficient. Common applications include file sharing, printer sharing, and connecting up to four networked devices without the complexity of managed switches. Its stackable design supports network growth in compact office spaces.
Compatibility & Replacements
Compatible With
- 10BASE-T Ethernet networks (IEEE 802.3 compliant)
- Standard RJ-45 twisted-pair cables
- Workstations, printers, and legacy network devices with 10Mbps Ethernet ports
- Other 3Com OfficeConnect hubs and switches for cascading (up to four in series)
Replaces / Drop-In Replacement For
- 3Com 3C16704 (original model designation)
- Other legacy 4-port 10 Mbps unmanaged hubs in equivalent configurations
Works With
- IEEE 802.3 10BASE-T Ethernet standard
- All industry-standard twisted-pair Ethernet cabling (Cat3 or higher recommended)
- Standard network diagnostic tools and monitoring protocols compatible with 10 Mbps networks
