Black Box LGH1004A Manual De Usuario

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Product Data Sheet

LGH1004A

®

Features

•  Hardened metal enclosure for use in extreme temperatures 

ranging from -4 to +158° F (-20 to +70° C). Resists dust, dirt, 
moisture, smoke, and insects.

•  Provides four 10/100/1000 Mbps RJ-45 ports and one  

Gigabit SFP open slot.

•  Has redundant live DC power inputs.  If one of the DC power 

inputs fails, the other source acts as a backup.

•  A built-in smart alarm alerts you when power fails or a port 

connection breaks.

•  LEDs indicate power, alarm, speed, and link/activity.

Specifications

Alarm Contact

One relay output with current carrying capacity of 1A @ 24 VDC

Approvals

FCC Part 15, Subpart B, Class A; 
UL60950-1 2nd Ed./CSA C22.2 No. 60950-1-07 2nd Ed.; 
CE (EMI): EN55022 Class A, FCC Part 15, Class A; 
CE (EMS):  
   EN61000-4-2 (ESD), 
   EN61000-4-3 (RS), 
   EN61000-4-4 (EFT), 
   EN61000-4-5 (Surge), 
   EN61000-4-6 (CS), 
Shock: IEC60068-2-27; 
Vibration: IEC60068-2-6; 
RoHS: IEEE 2002/95/EC; 
IP Protection: IP31

Buffer Memory

1 MB

Cable

RJ-45 ports:  
   10BASE-T Category 3, 4, 5 UTP/STP, up to 328 ft. (100 m); 
   100BASE-TX Category 5, UTP/STP, up to 328 ft. (100 m); 
   1000BASE-T Category 5e UTP/STP, up to 328 ft. (100 m); 
SFP open slot:  
   62.5/125-µm multimode fiber optic cable, up to 220 m/850 nm or 2 km/1300 nm; 
   50/125-µm multimode fiber optic cable, up to 550 m/850 nm or 2 km/1300 nm; 
   9/125-µm single-mode fiber optic cable, up to 30 km

Data Rate

10/100/1000 Mbps

Enclosure

IP31 rated aluminum alloy case

Filtering/Forwarding Rates

1000-Mbps port: 1,488,000 pps; 
100-Mbps port: 148,800 pps; 
10-Mbps port: 14,880 pps; 
Quality of Service (QoS) for packet forwarding precedence