Black Box Hardened Ethernet Extender, LB304A Quick Start Guide, Page, DC jack Power Input 48 VDC

Quick Start Guide

•PoE LED is only on the for 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.

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

Pin	Regular Ports	Uplink Ports
1	Output Transmit Data +	Input Receive Data +
2	Output Transmit Data -	Input Receive Data -
3	Input Receive Data +	Output Transmit Data +
4	Positive (VCC+)	Positive (VCC+)
5	Positive (VCC+)	Positive (VCC+)
6	Input Receive Data -	Output Transmit Data -
7	Negative (VCC-)	Negative (VCC-)
8	Negative (VCC-)	Negative (VCC-)

•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.

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