Serial Null Modem
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![]() Cables To Go 52082 6ft Serial270 DB9 F F Null Modem Cable US $26.10
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Virtual Serial Port Kit Winds Hardware Up
Virtual Serial Ports. Virtual Null-Modem Cable.
There are two applications which are exchanging data via serial ports. These programs should be connected and a null-modem cable is used for it.
There are several problems you can come across:
• There are no two serial ports on your PC.
• All serial ports are already occupied.
• It is necessary to connect several pairs of programs simultaneously and one null-modem cable is not enough.
Is there a way out of this?
Yes, there is. Virtual Serial Port Kit from FabulaTech can emulate unlimited number of serial ports and connect each pair of them via a virtual null-modem cable.
So, your applications can exchange data just like they do via hardware serial ports and real null-modem cables.
For example, using Virtual Serial Port Kit you can create pair of virtual serial ports (e.g. COM7 and COM8) and connect two applications to them. All data that the first application writes to COM7 is read from COM8 by the second application, and vice versa.
An example of working with Virtual Serial Port Kit
It is easy to test. You can run two copies of terminal program (e.g. standard Windows HyperTerminal) and connect them to COM7 and COM8.
So, all you type in the first HyperTerminal will appear in the second and vice versa. You can also transfer files between HyperTerminals and do whatever you want.
Maximum Benefits
• The applications recognize virtual serial ports created by VSPK as the usual hardware serial ports.
• There is no need to waste money on different null-modem cables, because VSPK emulates all types of null-modem schemes.
• Your hardware serial ports are not occupied. So they can be used for any other purposes.
• These are no cables hanging on the backside of your PC because all data transmission is being done inside.
Who can Virtual Serial Port Kit be used for?
Virtual Serial Port Kit is ideally suitable for serial software developers. It allows to speed up development process during debugging and data-logging period. You can debug your program (which uses serial port) by connecting it to another program (e.g. serial device emulator).
Virtual Serial Port Kit will meet all possible needs and requirements.
The program can be downloaded at http://www.virtual-serial-port.com
Special Offer
Educational institutions are eligible for a special discount. Special pricing conditions for government users are outlined at http://www.virtual-serial-port.com/purchase-government.html
Royalty Free distribution.
That’s exactly what you have been looking for!
FabulaTech offers a brand advanced benefit for its customers. Virtual Serial Port Kit functionality can be easily integrated into your application. So you can create and configure virtual serial ports from your application directly. This benefit’s name is OEM License. It allows you to integrate Virtual Serial Port Kit functionality into your own application. It permits you unlimited redistribution of Virtual Serial Port Kit as an integral part of your software without having individual license keys.
More information can be obtained at http://www.virtual-serial-port.com/virtual-serial-port-kit-oem.html
About the Author
FabulaTech is a software development company. Established in 2000, FabulaTech specializes in device driver development, application development and systems internals programming for Microsoft Windows, Linux and Embedded operating systems.
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Startech.com / 25FT SERIAL NULL MODEM CABLE / SCNM9FF25 $26.61 Startech.com - 25FT SERIAL NULL MODEM CABLE - SCNM9FF25 |
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Startech.com / StarTech.com Serial Null Modem Cable / SCNM9FM $21.8 Startech.com - StarTech.com Serial Null Modem Cable - SCNM9FM |
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DB9 RS232 Serial Null Modem Adapter - null modem adapter $2.99 StarTech.com DB9 RS232 Serial Null Modem Adapter - Null modem adapter - DB-9 (M) - DB-9 (M) - for StarTech.com 1 SV1110IPEXT |
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StarTech.com Serial Null Modem Cable $8.99 1 x 9-pin DB-9 Female 10 ft EIA 574/232 This 10 ft Cross Wired Serial/Null Modem Cable features two DB9 female connectors, allowing you to connect a serial printer to a 9-pin serial port, or transfer files from PC to PC via serial connection. Designed to provide a reliable, long-lasting connection, this serial/null modem cable is backed by StarTech.com's lifetime warranty. DB-9 Data Transfer Cable Lifetime Null Modem SCNM9FF Serial Null Modem Cable StarTech.com www.startech.com |
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APC Serial/Null Modem Cable $3.99 0082-10 1 x 25-pin DB-25 Female 1 x 25-pin DB-25 Male 10 ft Null modem cable Cable Features: Molded, thumbscrews APC American Power Conversion Corp Complete line of Serial Cables and Adapters for communication, network, and peripheral connectivity. Copper DB-25 Data Transfer Cable Null Modem Serial/Null Modem Cable www.apc.com |
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RS232 null modem cable $18.95 RS232 SERIAL/NUL MODEM CABLE FOR DREAMBOX |
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StarTech.com DB9 RS232 Serial Null Modem Adapter Null Modem Adapter (DB-9) M PC NM9MM $14.55 StarTech.com DB9 RS232 Serial Null Modem Adapter Null Modem Adapter (DB-9) M PC NM9MM |
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Null Modem Gold Cable null modem cable - 6 ft $5.99 Tripp Lite Null Modem Gold Cable - Null modem cable - DB-9 (F) - DB-9 (M) - 6 ft - molded - for AT Serial Gold Adapter P100-001 |
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SIIG INC / 6FT NULL MODEM SERIAL CABLE / CB-NMS012-S1 $17.89 SIIG INC - 6FT NULL MODEM SERIAL CABLE - CB-NMS012-S1 |
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Startech.com / StarTech.com 10ft Cross Wired Serial Null Modem Cable / SCNM925FM $22.07 Startech.com - StarTech.com 10ft Cross Wired Serial Null Modem Cable - SCNM925FM |
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StarTech.com DB9 Serial Null Modem Adapter $7.99 1 x 9-pin DB-9 Female 1 x 9-pin DB-9 Male 2 This Null Modem Cable Adapter features one DB9 male and one DB9 female connector - a cost-saving way to convert a straight through cable into a null modem cable. The DB9F Null modem cable adapter is backed by lifetime warranty and free lifetime technical support. DB-9 DB9 Serial Null Modem Adapter Data Transfer Adapter NM9MF StarTech.com www.startech.com |
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Motorola Null Modem Cable $19.99 1 x 9-pin DB-9 Female RS-232 Serial 25-96992-01R Copper DB-9 Data Transfer Cable Motorola Motorola, Inc Null Modem Cable www.motorola.com/us |
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Raritan Null Modem Adapter $14.99 1 x 9-pin DB-9 Female Serial 1 x RJ-45 Female 2 Raritan ConsoleSwitch SCS232 ASCSDB9F DB-9 Data Transfer Adapter Null Modem Adapter RJ-45 Raritan Raritan Computer www.raritan.com |
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Cross Wired DB9 to DB25 Serial Null Modem Cable - null modem cable - 10 ft $18.99 StarTech.com Cross Wired DB9 to DB25 Serial Null Modem Cable - Null modem cable - DB-9 (F) - DB-25 (M) - 10 ft - for StarTech.com 1 16 2 2 Serial/1 2S1P 4 8 PCI1S650DV |
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APC Null Modem Cable $11.99 0207-25 1 x 25-pin DB-25 Male 1 x 9-pin DB-9 Female 15.52 oz 25 ft Molded Complete line of Serial Cables and Adapters for communication, network, and peripheral connectivity. APC American Power Conversion Corp Copper DB-25 DB-9 Data Transfer Cable Null Modem Null Modem Cable www.apc.com |
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Cables To Go Serial/Null Modem Cable $12.99 03039 1 x 25-pin DB-25 Male 5.92 oz 72" EMI/RFI Beige CTG's line of Null Modem serial cables allows two DTE or DCE devices to communicate with no conflict in data transmission. The transmit and receive signals are crossed to ensure proper data transmission. CTG's inexpensive, high-quality cables deliver the data for you quickly and reliably over short distances (less than 100 feet). Each of our Null Modem cables are designed with a rugged, overmolded construction that provides added strain relief and a solid connection each time. As always, the cables are foil shielded for protection from EMI/RFI interference caused by surrounding office equipment and flourescent lights. Available in a wide array of stock lengths and gender combinations, our offering also allows connections to DB9 (AT) or DB25 (PC) serial ports. Cables in male-to-female configurations are typically used as serial printer cables, while female-to-female versions are typically connecting two PC serial ports. Don't forget, custom lengths are our specialty. Cables To Go DB-25 Data Transfer Cable Lifetime Null Modem Retail Serial/Null Modem Cable www.cablestogo.com |
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Tripp Lite Null Modem Cable $2.99 1 x DB-9 Female 72" Null Modem Cable6-ft. Null Modem Gold Cable DB9F to DB9F Null modem cables and adapters connect two serial devices that require a null modem (cross-wired) configuration. This 6ft cable has a DB9 female connector on each end. Superior molded cables with foil-shielding offer maximum EMI/RFI protection. Gold-plated connectors and contacts provide superior conductivity. Tripp Lite warrants this product to be free from defects in materials and workmanship for life. Copper DB-9 Data Transfer Cable Lifetime Limited Null Modem Null Modem Cable P450-006 Tripp Lite www.tripplite.com |
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Cables Unlimited Null Modem Adapter $16.99 1 x DB-9 Female Serial 2 ADP-5500 Cables Unlimited DB-9 Data Transfer Adapter Lifetime Null Modem Adapter www.cablesunlimited.com |
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StarTech.com 10ft Cross Wired Serial Null Modem Cable $8.99 1 x 25-pin DB-25 Male 1 x 9-pin DB-9 Female 10 ft 10ft Cross Wired Serial Null Modem Cable Serial printer This 10ft Cross Wired Serial/Null Modem Cable features one DB9 female and one DB25 male connector, allowing you to connect a serial printer to a 25-pin serial port, or transfer files from PC to PC via serial connection. Designed to provide a reliable, long-lasting connection, this serial/null modem cable is backed by StarTech.com''s lifetime warranty. Copper DB-25 DB-9 Data Transfer Cable Lifetime Null Modem SCNM925FM StarTech.com www.startech.com |
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StarTech NM9MM DB9 RS232 Serial Null Modem Adapter - M/M $5.99 Type: DB9 Gender Changer Specifications: Connector Type(s): 1 - DB-9 (9 pin; D-Sub) Male Features: Null Modem Adapter DB9M to DB9M is used to convert a straight through cable into a null modem cable. Converts a straight through serial cable in to a null modem cable. Easy to use and install. |
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StarTech.com 25ft Cross Wired Serial Null Modem Cable $12.99 1 x 9-pin DB-9 Female 25 ft 25ft Cross Wired Serial Null Modem Cable This 25ft Cross Wired Serial/Null Modem Cable features two DB9 female connectors, allowing you to connect a 9-pin serial port to a serial port, or transfer files from PC to PC via serial connection. Designed to provide a reliable, long-lasting connection, this serial/null modem cable is backed by StarTech.com''s lifetime warranty. Copper DB-9 Data Transfer Cable Lifetime Null Modem SCNM9FF25 StarTech.com www.startech.com |
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Cables To Go Null Modem Cable $17.99 1 x 9-pin DB-9 Female RS-232 Serial 2.72 oz 36" 52081 Black Cables To Go Copper Crossover DB-9 Data Transfer Cable Extension Cable Lifetime Not Applicable Null Modem Null Modem Cable RoHS Rotating 270 Degree Yes www.cablestogo.com |
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Cables Unlimited Null Modem Cable $17.99 1 x 25-pin DB-25 Female 1 x 9-pin DB-9 Female Serial 72" Beige Cables Unlimited Copper DB-25 DB-9 Data Transfer Cable Lifetime Not Applicable Null Modem Null Modem Cable PCM-1980-06 www.cablesunlimited.com |
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DB9 RS232 Serial Null Modem Cable F/M - null modem cable - 10 ft $5.99 StarTech.com DB9 RS232 Serial Null Modem Cable F/M - Null modem cable - DB-9 (M) - DB-9 (F) - 10 ft - for StarTech.com 1 16 2 2 Serial/1 2S1P 4 8 PCI1S650DV PCI2S650DV |
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Startech Cross Wired DB9 To DB25 Serial Null Modem Cable - Null Modem Cable - 10 Ft. Each $4.77 Manufacturer: Startech Computer Products. Each. This 10ft cross wired serial/null modem cable features one DB9 female and one DB25 male connector, allowing you to connect a serial printer to a 25-pin serial port, or transfer files from PC to PC via serial |
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Startech DB9 RS232 Serial Null Modem Cable F/M - Null Modem Cable - 10 Ft. Each $4.3 Manufacturer: Startech Computer Products. Each. This 10 ft Cross Wired Serial/Null Modem Cable features one DB9 female and one DB9 male connector, allowing you to connect a serial printer to a 9 pin serial port, or transfer files from PC to PC via serial |
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RS232 null modem cable for dreambox. free shipping $5.28 RS232 SERIAL/NUL MODEM CABLE FOR DREAMBOX |
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DB9 RS232 Serial Null Modem Adapter - gender changer $3.99 StarTech.com DB9 RS232 Serial Null Modem Adapter - Gender changer - DB-9 (F) - DB-9 (F) - for StarTech.com 1 2 8 SV1110IPEXT |
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Free Shipping New Serial Null Modem Cable DB9F to DB9F RS232/RS-232 10pcs/lot $28 New Serial Null Modem Cable DB9F to DB9F RS232/RS-232 Serial Null Modem Cable - 9 pin Female to 9 pin Female - 1.5 metre |
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Cables To Go Null Modem Adapter $13.99 02469 1 x DB-25 Female 1 x DB-25 Male 2 Fully shielded against outside EMI/RFI interference Crosses the data transmission lines in straight-through serial cables Economical solution for connecting serial ports on notebooks Convert your existing serial cables into null modem cables with the help of Cables To Go's Null Modem Adapters. A quick and easy fix for your DTE or DCE incompatibilities, connecting two RS-232 serial ports has never been so easy. Each cable will effectively cross the data transmission lines. With their molded design providing a solid connection, each adapter is shielded against outside EMI/RFI interference while giving you the flexibility to meet your connectivity needs. Beige Cables To Go DB-25 Data Transfer Adapter Lifetime Null Modem Adapter www.cablestogo.com |


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