Black Box LGH1004A Industrial Ethernet Switch

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Black Box LGH1004A Industrial Ethernet Switch - (4) 10/100/1000-Mbps, (1) GE SFP.

SFP fiber uplink extends your network in harsh environments.


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  • Provides four 10/100/1000 Mbps RJ-45 ports and one Gigabit SFP slot.
  • Use in harsh applications, including factories, oil/gas fields, military vehicles/ships, HVAC controls, security and surveillance, and more.
  • Built-in smart alarm warns of power or port failures.
  • LEDs indicate power, alarm, speed, and link/activity.
  • DIN rail or wall mount.
  • Rated for extreme temperatures of -20 to +70° C.
  • IP31 metal enclosure for use in harsh indoor environments.
  • Dual DC power inputs for redundant power.
  • SFP port enables single-mode or multimode Gigabit fiber uplinks over long distances.
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
Controls (1) DIP switch for port break alarm: Normal: Open, Default setting: Disabled
Connectors (4) 10/100/1000BASE-T autonegotiating RJ-45, full-/half-duplex, auto-MDI/MDI-X;
(1) 1000-Mbps Gigabit SFP slot (compatible SFPs include LFP411, LFP412, LFP413, LFP414, LFP416)
Environmental Operating temperature: -4 to +158° F (-20 to +70° C);
Storage temperature: -22 to 175° F (-30 to 80° C)
Data Rate 10/100/1000 Mbps
Enclosure IP31 rated aluminum alloy case
Filtering/Forwarding Rates 1000-Mbps: 1,488,000 pps;
100-Mbps: 148,800 pps;
10-Mbps: 14,880 pps;
Quality of Service (QoS) for packet forwarding precedence
Flow Control 1IEEE802.3x flow control, backpressure flow control
Indicators (5) LEDs: (1) PW1, (1) PW2, (1) Alarm, (1) 1000M, (1) Link/Activity
MAC Address 2 K
Media RJ-45 ports: CATx UTP/STP, up to 100 m (328 ft.);
SFP open slot:
62.5/125-µm multimode fiber, up to 220 m/850 nm or 2 km/1300 nm;
50/125-µm multimode fiber, up to 550 m/850 nm or 2 km/1300 nm;
9/125-µm single-mode fiber, up to 30 km
Mounting DIN-rail, wallmounting
Processing Type Store and forward
Power Removable 6-pin terminal block, 48 VDC redundant inputs; 3.36 Watts maximum; Includes reverse polarity protection
Standards IEEE 802.3/802.3u/802.3x/802.3ab/802.3z
Dimensions 2.2"H x 4.3"W x 4.7"D (5.5 x 10.8 x 12 cm)
Weight 1.54 lb. (0.7 kg)

Part Code:

LGH1004A

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Black Box LGH1004A Industrial Ethernet Switch

Black Box LGH1004A Industrial Ethernet Switch

Black Box LGH1004A Industrial Ethernet Switch - (4) 10/100/1000-Mbps, (1) GE SFP.

SFP fiber uplink extends your network in harsh environments.