Chapter 2: Overview

Table 2-1. Port status LEDs.

Number

Indicator

State

Indication

 

 

 

 

1

Power 1

Steady

Power on.

 

 

 

 

2

Power 2

Off

Power off.

 

 

3

Power 3

 

 

 

 

 

10/100BASE-TX Port

 

 

 

 

 

 

4

LINK/ACT

Steady

A valid network connection is established.

 

 

Flashing

Transmitting or receiving data. ACT stands for Activity.

 

 

 

 

 

 

 

 

Steady

Connection at 100-Mbps speed.

5

100

 

 

Off

Connection at 10-Mbps speed.

 

 

 

 

 

Ethernet Extender Port

 

 

 

 

 

 

6

LINK/ACT

Steady

A valid network connection is established.

 

 

Flashing

Transmitting or receiving data. ACT stands for Activity.

 

 

 

 

 

 

Table 2-2. Power input assignment.

Number

Input

Polarity

Voltage

Connector

 

 

 

 

 

7

Power 3

 

12 VDC

DC jack

 

 

 

 

 

8

Power 2

+

12–48 VDC

 

 

 

 

-

Power Ground

 

 

 

 

 

 

 

 

 

9

Power 1

+

12–48 VDC

Terminal block

 

 

-

Power Ground

 

 

 

 

 

 

 

 

10

 

 

Ground

 

 

 

 

 

 

11

Relay output rating

 

 

1 A @24 VDC

 

 

 

 

 

Page 22

724-746-5500 blackbox.com

LB308A

 

 

Page 22
Image 22
Black Box LB308A, 8-port 10/100base-tx hardened ethernet extender switch Port status LEDs, Power input assignment