LB510A-R3 – Ethernet Extender – 4-Port

Item #: LB510A-R3

Ethernet Extender – 4-Port

Ethernet extension over your existing twisted-pair cable.


  • Provides data rates up to 15 Mbps over 2-wire, voice-grade wiring
  • Selectable 64-kbps rates
  • 4-Port integrated 10/100 Ethernet switch
  • Probes voice-grade wiring to determine the optimum data rate supported
  • Supports G.994.2 handshaking, enabling it to adapt the rate automatically to the existing line conditions
  • Transformer-coupled two-wire interface boasts 1500-VAC isolation
  • Works with other extender/NTUs to provide interface conversion along with network termination and extension
  • Max reach of 30 kft


  • Sản phẩm đầy đủ giấy tờ CO (US, UK, Taiwan,…), CQ,…
  • Đầy đủ sản phẩm, giải pháp đáp ứng mọi nhu cầu của khách hàng, tối ưu chi phí
  • Starlinks tự hào là nhà phân phối chính thức các sản phẩm của Blackbox tại thị trường Việt Nam

Liên hệ Báo giá

Featuring symmetric, high-speed digital subscriber line technology, the G.991.2 standard device delivers rate-adaptive nx64 speeds as high as 15 Mbps.

The extender/NTU works in a pair communicating across dry, two-wire copper cable of any gauge from 19 AWG (0.9 mm) to 26 AWG (0.4 mm). You may even be able to use the telephone wiring already connecting offices or buildings in your application.

Using the DIP switch on the extender/NTU or a Telnet connection, you can set its rate in 64-kbps increments to provide a precise amount of bandwidth to users and to get either greater speed or greater distance. The extender/NTU uses Trellis-Coded Pulse Amplitude Modulation (TCPAM) to enhance its performance and support distances twice as far as conventional TDM technologies.

The G.SHDSL Two-Wire Extender/NTU also includes a probe to determine the optimum data rate supported by the link between local and remote units. In addition, an error monitor inspects the line for intervals that exceed its user-set error threshold and, if necessary, restarts the link automatically.

For easy troubleshooting, the extender/NTU features front-panel LEDs and other diagnostic tools for detecting errors on the two-wire connection.

The 10BASE-T/100BASE-TX G.SHDSL Two-Wire Extender/NTU features (4) RJ-45 connectors, autosenses 10- or 100-Mbps network links, autonegotiates for full- or half-duplex operation, and delivers bridged-Ethernet connections to distant users.

You can extend corporate LAN-to-WAN communications at higher speeds or at a longer distance.

Ethernet Extender 4 Port. Extends 4 ports 10/100Mbps Ethernet RJ45 over copper or CATx line interface, RJ45. These devices are used in pairs for near-end, far-end deployments. Typical applications include Enterprise LAN extension, campus LAN expansion. This auto-rate Ethernet extender, uses a standard 2-wire connection, which simplifies your life and provides cost-effective network extension by enabling you to make the most of your pre-existing twisted-pair infrastructure. These 4 port 10BASE-T/100BASE-TX Ethernet Extenders use G-SHDSL technology to provide an easy, inexpensive way to extend the reach of your Ethernet network over ordinary voice-grade copper wire. Devices include external 90-240VAC power supplies.

The extender has a max reach of 30 kft.

Compliance CC Part 15A,
CE Mark per EMC directive 89/336/EEC and Low Voltage Directive 73/23/EEC
Data Rate (Maximum) From 192 kbps to 15.3 Mbps in 64-kbps steps
Distance (Maximum) 26 AWG (0.4-mm) wire: 4 mi. (6.4 km) at 192 kbps maximum; 1 mi. (1.6 km) at 4.6 Mbps maximum;
24 AWG (0.5-mm) wire: 5.3 mi. (8.5 km) at 192 kbps maximum; 1.3 mi. (2.1 km) at 4.6 Mbps maximum;
22 AWG (0.6-mm) wire: 6.6 mi. (10.6 km) at 192 kbps maximum; 1.7 mi. (2.7 km) at 4.6 Mbps maximum;
19 AWG (0.9-mm) wire: 9.9 mi. (15.9 km) at 192 kbps maximum; 2.5 mi. (4 km) at 4.6 Mbps maximum
Humidity 5 to 95%, non-condensing
Interconnection Cable Required Twisted-pair, unconditioned, dry, metal wire 19 AWG (0.9 mm) to 26 AWG (0.4 mm)
Interface Ethernet: 10BASE-T/100BASE-TX
Line Coding Trellis Coded Pulse Amplitude Modulation (TCPAM)
Operating temperature 32 to 122°F (0 to 50°C)
Power Input: 90-260 VAC, 50-60 Hz, autosensing, external adapter with plug clips for US, EU, UK; 0.8A@5VDC
Item Specifications
Connectors DSL Interface: (1) RJ-45;(4) 100/100BASE-T Ethernet RJ-45
Dimensions 1.6″H x 5.5″W x 4.2″D (4.1 x 14 x 10.7 cm)
Indicators (1) Power LED; WAN: (3) LEDs: Link, Tx, Rx;Ethernet: (3) LEDs: 100 M, Tx, Rx
Weight 2.0 lbs (1.0 kg)
Replaces LB510A-R2

Actual distance and link performance may vary depending on the environment and gauge and type of wire you use.

LB510A R3 main 22830

Manual - Ethernet Extender, 4-Port


Ethernet over UTP



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