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Black Box Short-Haul Modem C ASYNC SHM C ASYNC 4-Wire Standalone

Black Box ME800A-R4

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Model ME800A-R4

UPC Code: 822088111672

Provantage Code:  BBOX2X6

Condition:  Factory New

  • Limited Warranty: 1 Year
  • Country of Origin: United States
  • Form Factor: Desktop
  • Environmental Certification: WEEE
  • Host Interface: Serial
  • TAA Compliant: Yes

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NetworkingRouting and Switching DevicesVarious Routing / Switching Devices


Black Box ME800A-R4 Specifications

    Short-Haul Modem C ASYNC SHM C ASYNC 4-Wire Standalone

At a Glance

    • Full duplex operation over 4-wire CATx
    • Data rate up to 115.2 kbps
    • Range of up to 6.4 km (4 miles) at 9.6 kbps over 24 AWG lines
    • Ideal for point-of-sale applications.
    • The ME800A-R4 is backwards compatible with the ME800A-R3.


    • At a maximum speed of 115.2-kbps, you can go up to 4000 feet.
    • It must be used in pairs.

    RS-232 is the most common serial interface in use today. This means you can use your SHM-C in RS-232 installations - industrial applications; security systems; UNIX®, DEC2, and HP® workstation connectivity; and more.

    Choose our 4-Wire SHM-C Async to transmit data up to 4 miles (6.4 km). Run loopback tests simply by pressing a front-panel button. Open the flip-top lid for quick DTE/DCE selection.

    Transformer and optical isolation protect your data from electrical interference.


Product NameShort-Haul Modem C ASYNC SHM C ASYNC 4-Wire Standalone
Product TypeData Modem
Number of Modem (RJ-11) Ports1
Modem Transmission Data Rate115.2 kbit/s
TAA CompliantYes
Form FactorDesktop
Host InterfaceSerial
Environmentally FriendlyYes
Environmental CertificationWEEE
Operating Power Consumption4.50 W
Country of OriginUnited States
Product ModelME800A-R4
Limited Warranty1 Year
Supplies/Accessories for Black Box ME800A-R4

Black Box DB9 Serial Extension Cable 6-ft (1.8m)

Mfg Part# BC00200

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Black Box Model ME800A-R4