Help us improve our website
Overall Experience
For customer service or product related questions please e-mail pcnationcares@pcnation.com or call 800-235-4050.
Your feedback has been submitted successfully.
FREE EXPEDITED DELIVERY: Over $100 under 50 lbs  Get Details

Black Box Short-Haul Modem-C Async (SHM-C Async), 4-Wire, Standalone

Need Help? Talk to a Specialist
Live Chat
by  BLACK BOX CORPORATION    |    PCN#  1A5391    |    MFG#  ME800A-R4    |   
In Stock
Usually ships:
Ship to    
Shipping Location
Enter new zip code to refresh estimated delivery time.

Product Highlights:
  • Serial
  • 1 x Modem (RJ
  • 11)
  • 115.2 kbit/s
Product Condition: New and Factory Fresh
Limited Warranty: 1 Year
Shipping Weight: 2 lbs.
List Price: $201.95
Our Price: $156.04
You Save: $45.91 (23%)

Black Box Short-Haul Modem-C Async (SHM-C Async), 4-Wire, Standalone

Further Details
  • At a maximum speed of 115.2-kbps you can go up to 4000 feet.
  • 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.

NOTE: SHM-C Async Modems must be used in pairs. This model is also backwards compatible with the ME800A-R3.

General Information

ManufacturerBlack Box Corporation

Manufacturer Part NumberME800A-R4

Manufacturer Website Addresshttp://www.blackbox.com

Brand NameBlack Box

Product ModelME800A-R4

Product NameShort-Haul Modem-C Async (SHM-C Async), 4-Wire, Standalone

Product TypeData Modem

Technical Information

Additional Product Specifications

Full Product SpecificationsClick to view


Host InterfaceSerial

Number of Modem (RJ-11) Ports1

Media & Performance

Modem Transmission Data Rate115.2 kbit/s

Power Description

Operating Power Consumption4.50 W

Physical Characteristics

Form FactorDesktop





Environmentally FriendlyYes

Environmental CertificationWEEE

Country of OriginUnited States


Limited Warranty1 Year