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Run RS-232 on coax up to 10 miles at 1.2 kbps!
Orders received before 5PM ET ship next day
Call to order 877-877-2269
Industrial Opto-Isolated RS-232 Repeater
Double the range of RS-232 data communications in heavy industrial areas.
RS-232 Serial Line Booster
Extend RS-232 signals.
Short-Haul Modem, Async, Non-Powered (SHM-NPR), DB25 Female
Ideal for connecting full-duplex async terminals to computers.
Short-Haul Modem, Async, Non-Powered (SHM-NPR), RJ-45/Terminal Block, DB25 Male
Async/Sync Short-Haul Modem
Send async or sync RS-232 data 7.6 miles at up to 56.7 kbps.
Universal Sync/Async Short-Haul Modem (SHM) - DB25 Female
Use this self-powered SHM in just about any RS-232 UTP or STP application.
Universal Sync/Async Short-Haul Modem (SHM) - DB25 Male
Use this self-powered SHM in just about any RS-232 UTP to STP application.
FlexPoint RS-232 to Fiber Converter, 850-nm Multimode, 2.5 km, SC
Extend RS-232 communications up to 2.5 kilometers on multimode fiber.
FlexPoint RS-232 to Fiber Converter, 850-nm Multimode, 2.5 km, ST
Short-Haul Modem-Nonpowered, Async (SHM-NPR), DB25 Female
Simple and reliable—this 4-wire, async plug-in SHM drives data more than 5 miles!
Short-Haul Modem-Nonpowered, Async (SHM-NPR), DB25 Male
Sync Short-Haul Modem, Nonpowered, Multipoint (Sync SHM-NPR MP), DB25 Female
The choice for multipoint sync applications.
Carrier Sense Mini Driver–A, DB25 Female
Get carrier sense for your UNIX systems.
RS-232/RS-485 Multipoint Line Driver (LD485S-MP), Standalone
Dispatch your sync data to up to 64 locations.
Black Box products can be conveniently purchased through a broad range of qualified distributors and resellers located around the globe
Some Black Box products on this website are subject to the International Traffic in Arms
Regulations (ITAR), 22 CFR Chapter 1, Subchapter M, and export is strictly prohibited without
authorization or a license issued by the U.S. Department of State's Directorate of Defense
Trade Controls. By proceeding with a transaction to purchase any ITAR restricted item(s),
the Customer certifies that (i) the purchase does not require Black Box to export such items,
unless Black Box is aware of the export and has obtained the appropriate U.S. Government
authorization; (ii) the Customer does not intend to export such items after receipt from Black
Box without the appropriate U.S. Government export authorization; (iii) the Customer does not
intend to export, transfer, sell, or furnish the item to any foreign person, whether abroad or
in the U.S., including any Foreign Embassy in the U.S., without the appropriate U.S. Government
export authorization; (iv) the Customer understands that a foreign person under the ITAR § 120.16
means "any natural person who is not a lawful permanent resident as defined by 8 U.S.C. § 1101(a)(20)
or who is not a protected individual as defined by 8 U.S.C. § 1324b(a)(3)," and can mean "any
foreign corporation, business association, trust, society, or any other entity or group that is not
incorporated or organized to do business in the U.S., as well as international organizations, foreign
governments, and any agency or subdivisions of government (e.g. diplomatic missions)" (See ITAR § 120.16);
(v) the Customer is a U.S. Person as defined by ITAR § 120.15, meaning the Customer is a lawful
permanent resident of the U.S., as defined by 8 U.S.C. § 1101 (a)(20), or is a protected individual
as defined by 8 U.S.C. § 1324b(a)(3), or is a "corporation, business association, partnership, society,
trust, or any other entity, organization or group that is incorporated to do business in the U.S., or
is a governmental (federal, state, or local) entity" (See ITAR § 120.15).
To access and learn more about the ITAR regulations, please see www.pmddtc.state.gov.
Black Box TAA compliant products meet the requirements of the U.S. Government's Trade Agreements Act (TAA),
which was enacted to foster fair and open international trade. It requires that products be assembled within
the United States or in an approved country.
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