null

Black Box

Black Box

  • Black Box ME728A asynchronous line driver multiplexer — front panel view showing LD-478 label and power cord Black Box ME728A rear view showing DB25 port connectors and attached power cord

    Black Box ME728A 150-0528-103 8-Port Async Line Driver Multiplexer DB25 RS-232

    Black Box

    $100.00
    Was: $200.00
    Black Box ME728A 150-0528-103 8-Port Async Line Driver Multiplexer DB25 RS-232The Black Box ME728A is an 8-port asynchronous line driver multiplexer designed to extend and concentrate multiple RS-232...
    49581
    SKU:
    49581
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    9.00 LBS
    Brand:
    Black Box
    Model:
    ME728A
    MPN:
    150-0528-103
    Secondary Model:
    LD-478
    SKU:
    49581
    Type:
    Asynchronous Line Driver Multiplexer
    Number of Ports:
    8
    Connector Type:
    DB25 (25-pin)
    Interface Type:
    RS-232
    Signal Type:
    Asynchronous Serial
    Form Factor:
    Desktop
    Power Requirements:
    115V AC, 50/60 Hz
    Current Rating:
    1.2A
    Condition:
    Used – Inspected
    Country/Region of Manufacture:
    Puerto Rico – USA
    Certifications:
    UL, CSA
    FCC Compliance:
    FCC Part 15 Class A
    Switch Configuration:
    DIP switches for channel, RTS/DTR, loopback, standalone/Micro500
    Seller Notes:
    Unit only; power cord attached. No manual included.
    Condition Notes:
    Black Box ME728A 8-Port Async Line Driver Multiplexer, part 150-0528-103. Inspected and in good used condition. Light surface wear. DB25 ports and PCB intact. Please view photos and contact us with any questions.
    $100.00
    Was: $200.00
  • Black Box LE401A 8-Port Fanout Switch – front panel with LED indicators and 8-PORT FANOUT label Black Box LE401A – rear view showing 8 DB-15 AUI ports with ONLINE LEDs and AC power inlet

    Black Box LE401A 8-Port DB-15 Fanout Switch Ethernet Transceiver 90-270VAC

    Black Box

    $60.00
    Was: $125.00
    Black Box LE401A 8-Port DB-15 Fanout Switch Ethernet Transceiver 90-270VACAn 8-port AUI fanout switch designed to distribute Ethernet signals across multiple DB-15 AUI connections. Supports 90–270VAC...
    42857
    SKU:
    42857
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    4.00 LBS
    Brand:
    Black Box
    Model:
    LE401A
    MPN:
    LE401A
    Hardware Revision:
    Rev A
    Type:
    8-Port DB-15 AUI Fanout Switch
    Number of Ports:
    8
    Connector Type:
    DB-15 (AUI)
    Interface Type:
    AUI / DB-15
    Power Requirements:
    90–270VAC Auto-Sensing
    Form Factor:
    Desktop
    Front Panel Indicators:
    System Power, Remote TX/RX/Collision, Local RX/Collision, SQE, Transmit per port
    Missing Components:
    MODE switch (Remote/Local) and SQE switch (On/Off) are missing
    Certifications:
    UL Listed (8J59), FCC Class A
    Country/Region of Manufacture:
    United States
    Condition:
    Used – Powers On; Missing MODE and SQE switches
    SKU:
    42857
    Seller Notes:
    Unit powers on. Missing MODE (Remote/Local) and SQE (On/Off) switches.
    Condition Notes:
    Black Box LE401A 8-Port DB-15 Fanout Switch powers on. Missing the MODE (Remote/Local) and SQE (On/Off) front-panel switches. Chassis shows normal use wear. All 8 DB-15 AUI ports present. Sold as-is regarding missing switches.
    $60.00
    Was: $125.00
  • Black Box LE605A Thick/Thin Ethernet Repeater – front panel showing AUI 1 port, BNC 1 port, and PWR/COLL indicator LEDs Black Box LE605A Thick/Thin Repeater – right side and bottom view showing rating label and UL mark

    Black Box LE605A Thick/Thin Ethernet Repeater AUI 15-Pin BNC Coax 10Base2

    Black Box

    $45.00
    Was: $90.00
    Black Box LE605A Thick/Thin Ethernet Repeater AUI 15-Pin BNC Coax 10Base2 10Base5The LE605A is a desktop Ethernet repeater that extends coaxial network segments by regenerating and retiming signals...
    42379
    SKU:
    42379
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    4.00 LBS
    Brand:
    Black Box
    Model:
    LE605A
    MPN:
    LE605A
    Type:
    Thick/Thin Ethernet Repeater
    SKU:
    42379
    Condition:
    Used – Inspected
    Seller Notes:
    No power supply included. Unit only.
    Country/Region of Manufacture:
    United States
    Standards:
    IEEE 802.3
    Interface Type:
    AUI (15-pin DB15) and BNC Coax
    AUI Port:
    15-pin DB15 (AUI 1)
    Coax Port:
    BNC (BNC 1)
    Power Connector:
    Round DIN-style power jack (no supply included)
    Network Technology:
    10Base2 (Thinnet) / 10Base5 (Thicknet)
    LED Indicators:
    PWR1, COLL, PWR2 on front panel
    Form Factor:
    Desktop / Standalone
    Manufacturer:
    Garrett Communications, Inc.
    FCC Compliance:
    FCC Class A Computing Device
    Compatible With:
    10Base2 and 10Base5 coaxial Ethernet segments
    Condition Notes:
    Black Box LE605A Thick/Thin Ethernet Repeater inspected and in good condition. Light surface wear. AUI 15-pin and BNC connectors intact. No power supply included. Please contact us with any questions.
    $45.00
    Was: $90.00
  • Black Box LN410A Eazy Multiport Repeater – front panel with red LED port-enable and partition indicators, three-quarter top view Black Box LN410A Eazy Multiport Repeater – rear panel showing BNC coax ports numbered 3–8, DB25 monitor port, and DB15 AUI transceiver ports

    Black Box LN410A Eazy 8-Port Ethernet Multiport Repeater IEEE 802.3 10BASE5 BNC

    Black Box

    $35.00
    Was: $70.00
    Black Box LN410A Eazy 8-Port Ethernet Multiport Repeater IEEE 802.3 10BASE5 BNCAn 8-port Ethernet repeater designed for 10BASE5 coaxial networks. This unit regenerates and retransmits signals across...
    34489
    SKU:
    34489
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    20.00 LBS
    Brand:
    Black Box
    Model:
    LN410A
    MPN:
    LN410A
    Type:
    Ethernet Multiport Repeater
    Sub-brand / Series:
    Eazy
    SKU:
    34489
    Number of Ports:
    8 BNC coax ports + 1 monitor port + 2 AUI (DB15) transceiver ports
    Standards Compliance:
    IEEE 802.3, ISO/DIS8802/3, IEC 950
    Network Protocol:
    Ethernet 10BASE5 / 10Mbps
    Connector Type:
    BNC (coaxial), DB15 AUI, DB25 Monitor Port
    Port Enable:
    Per-port enable/disable with front-panel LED indicators (ports 1-8)
    Partition Indicators:
    Front-panel partition LEDs for ports 1-8
    Power Requirements:
    100-120V 60Hz 0.8A / 220-240V 50Hz 0.4A
    Fuse Rating:
    1.0A @ 100-120V; 0.5A @ 220-240V (anti-surge)
    Form Factor:
    Desktop / Tabletop
    Country/Region of Manufacture:
    United Kingdom
    Certifications:
    UL Listed (Data Processing Equipment), IEC 950
    Condition:
    Used – Inspected, in good condition
    Seller Notes:
    Unit only; no accessories included. Power cable present.
    Condition Notes:
    Black Box LN410A Eazy 8-Port Ethernet Multiport Repeater. Inspected and in good used condition. Chassis and ports show normal light wear. BNC, AUI, and monitor port connections appear intact. Please contact us with any questions.
    $35.00
    Was: $70.00