Black Box LB304A User manual

Provides one channel for Ethernet over existing

voice grade copper wire.

Hardened Ethernet Extender Quick Start Guide

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BL A C K B O X®

Provides one channel for Ethernet over existing

voice-grade twisted-pair copper wire.

Hardened Ethernet Extender Quick Start Guide

LB304A

LBPS301A

LBPS304A

Page 2

Hardened Ethernet Extender Quick Start Guide

724-746-5500 | blackbox.com

Quick Start Guide

This quick start guide describes how to install and use the Hardened Ethernet

Extender. This is the Hardened Ethernet Extender of choice for harsh

environments with space constraints.

QS1. Physical Description

The Port Status LEDs and Power Inputs

Figure QS-1. LB304A, LBPS301A, LBPS304A.

Table QS-1. Power input assignment.

Power Signal Voltage Connector

Power 1 48 VDC DC jack

Power 2

+24–48 VDC

Terminal block

-Power Ground

Power 3 +24–48 VDC

-Power Ground

Earth Ground

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Hardened Ethernet Extender Quick Start Guide

Table QS-2. DIP switch assignment.

DIP Switch Description

Loc The device operates in local mode.

Rmt The device operates in remote mode.

Table QS-3. LED indicators

Power LEDs State Indication

Power 1

Power 2

Power 3

Steady Power on

Off Power off

Ethernet LEDs

PoE

Steady Powered device (PD) is connected

Off Powered device (PD) is disconnected.

Link/ACT (Green)

Steady Valid network connection established.

Flashing Transmitting or receiving data. ACT stands for

AC TI VIT Y.

Off Valid network connection not established, or not

transmitting/receiving data.

Speed (Yellow)

Steady Valid port connection at 100 Mbps.

Off Valid port connection at 10 Mbps.

Ethernet Extender LEDs

Remote Steady The device operates in remote mode.

Local Steady The device operates in local mode.

Error Steady Error occurred.

Link Steady A valid connection established.

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Hardened Ethernet Extender Quick Start Guide

Table QS-4. Speed/distance.

Speed Distance

1 Mbps 6232 ft. (1900 m)

3 Mbps 5904 ft. (1800 m)

5 Mbps 5249 ft. (1600 m)

10 Mbps 4593 ft. (1400 m)

15 Mbps 3936 ft. (1200 m)

20 Mbps 3280 ft. (1000 m)

25 Mbps 2624 ft. (800 m)

30 Mbps 2296 ft. (700 m)

40 Mbps 1968 ft. (600 m)

50 Mbps 984 ft. (300 m)

• PoE LED is only on the Hardened IEEE 802.3at PoE PSE Ethernet Extender

versions (LBPS301A and LBPS304A).

• DC Terminal Block Power Inputs: There are two pairs of power inputs that you

can use to power up this Ethernet Extender. Redundant power supplies function

is supported. You only need to have one power input connected to run the

Ethernet Extender.

• DC jack: Power Input: 48 VDC.

10/100BASE-TX and Ethernet Extender Connectors

10/100BASE-TX connection

Figure QS-2 shows the pinouts of 10/100BASE-TX RJ-45 port. Table QS-5

describes the functions.

Figure QS-2. RJ-45 port pinout.

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Hardened Ethernet Extender Quick Start Guide

Table QS-5. 10/100BASE-TX RJ-45 port pin assignments.

Pin Regular Ports Uplink Ports

1Output Transmit Data + Input Receive Data +

2Output Transmit Data - Input Receive Data -

3Input Receive Data + Output Transmit Data +

4Positive (VCC+) Positive (VCC+)

5Positive (VCC+) Positive (VCC+)

6Input Receive Data - Output Transmit Data -

7N e g a t i v e ( V CC- ) N e g a t i v e ( V CC- )

8N e g a t i v e ( V CC- ) N e g a t i v e ( V CC- )

• Pin 4, 5 Positive (VCC+) and Pin 7, 8 Negative (VCC-) are only available for

Hardened IEEE 802.3at PoE PSE Ethernet Extender version.

Ethernet Extender Connection

The RJ-11 and terminal block port pinouts

Pin 3: Tip, Pin 4: Ring.

Figure QS-3. Ethernet connector pinout.

Use a twisted-pair telephone line to connect two RJ-11 or terminal block ports

between two Hardened Ethernet Extenders.

WARNING: Inappropriate operation might damage the terminal block.

QS.2 Functional Description

• Meets NEMA TS1/TS2 environmental requirements: temperature, shock, and

vibration for traffic control equipment.

• Meets EN61000-6-2 & EN61000-6-4 EMC Generic standard Immunity for

industrial environment.

• Operates transparent to higher layer protocols such as TCP/IP.

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Hardened Ethernet Extender Quick Start Guide

• Ethernet port: Supports IEEE 802.3/802.3u/802.3x. Autonegotiation:

10/100 Mbps, full-/half-duplex; Auto MDI/MDI-X.

• Complies with IEEE 802.3at standard for high power input required device and

also compatible with IEEE 802.3af powered devices (Only available for Hardened

IEEE 802.3at PoE PSE Ethernet Extender version.)

• Ethernet Extender port (RJ-11 and terminal block): Symmetrical on the VDSL,

full-duplex 50-Mbps communications link over existing twisted-pair copper

telephone line.

• One DIP switch for configuring Local (Loc) and Remote (Rmt).

• Ten speeds with speed indicator LEDs on front panel of unit, up to 50 Mbps @

about 984 feet (300 meters), down to 1 Mbps @ about 6232 feet (1900

meters).

• 4-port 10/100BASE-TX (2-port IEEE 802.3at PoE PSE) Ethernet Extender: 2.88 A

@ 24 VDC, 1.44 A @ 48 VDC. Power consumption: 69.12 W Max.

• 2-port IEEE 802.3at PoE PSE Ethernet Extender: 2.88 A @ 24 VDC, 1.44 A

@ 48 VDC. Power consumption: 69.12 W Max.

• 1-port IEEE 802.3at PoE PSE Ethernet Extender: 1.6 A @ 24 VDC, 0.8 A

@ 48 VDC. Power consumption: 38.4 W Max.

• 4-port 10/100BASE-TX Ethernet Extender: 0.36 A @ 24 VDC, 0.18A @ 48 VDC.

Power consumption: 8.64 W Max.

• Power Supply: Redundant 24-48 VDC terminal block power inputs and 48 VDC.

DC jack with 100–240 VAC external power supply.

• Field Wiring Terminal Markings: Use copper conductors only, 140/167° F (60/75°

C), wire range 12-24 AWG, torque value 7 lb-in.

• Operating temperature range @ -40 to +167° F (-40 to +75° C). Tested for

functional operation @ -40 to +185° F (-40 to +85° C). UL®508 Industrial

Control Equipment certified. Maximum surrounding air temperature @ 167° F

(75° C).

• For use in Pollution Degree 2 Environment.

• Supports DIN rail, panel, and rackmounting installation.

Page 7

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Hardened Ethernet Extender Quick Start Guide

QS.3. Assembly, Startup, and Dismantling

• Assembly: Place the Hardened Ethernet Extender on the DIN rail from above

using the slot. Push the front of the Hardened Ethernet Extender toward the

mounting surface until it audibly snaps into place.

• Startup: Connect the supply voltage to start up the Hardened Ethernet Extender

via the terminal block (or DC jack).

• Dismantling: Pull out the lower edge and then remove the Hardened Ethernet

Extender from the DIN rail.

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Tech support the

way it should be.

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LB304A Quick Start Guide, version 1

About Black Box

Black Box provides an extensive range of networking and infrastructure products.

You’ll find everything from cabinets and racks and power and surge protection

products to media converters and Ethernet switches all supported by free, live 24/7

Tech support available in 30 seconds or less.

registered trademarks of BB Technologies, Inc. UL is a registered trademark of Underwriters’ Laboratories. Any

third-party trademarks appearing in this manual are acknowledged to be the property of their respective owners.

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