Null modems cables are used when connecting two similar serial devices (DTE), such as a PC to a printer, terminal, test or automated manufacturing equipment. Many configurations are available, the ones below are some of the most popular ones:
DB25/DB9

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DB9 Null modem Cables - Female-Female Use these cables to link two computers with DB9 serial connectors. Null modem configuration.
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DB9F/DB25M Null Modem Cable This adapter converts a DB9 serial port to a DB25, and includes a null modem configuration, converting a straight cable to a null modem type.
Length | 6' | 10' |  |  |
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Null modem custom built cables This page shows our most popular null modem configurations. Do you need a special one, just email it, and we will quote and build the same day. # Cablek: nm_tableau |
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Serial printer cables, DB25Female/DB25Male Used to connect most RS232 serial printers to your computer DB25 serial port. Null modem configuration.
Length | 6' | 10' |  |  |
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Serial printer cables, DB9Female/DB25Male Used to connect most RS232 serial printers to your computer DB9 serial port. Null modem configuration.
Length | 10' |  |
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DB9 Slim line Null modem Adapters, Male-Female These slim line adapters converts a 9 pin straight through cable or port into a null modem (crossover) cable. Male to Female. Retains the gender of your original port. # Cablek: NM-9MFSL |
$6.95 $4.95 |
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DB9 Null modem Adapters, Male-Female Converts a 9 pin straight through cable into a null modem (crossover) cable # Cablek: NM-9MF |
$6.95 $4.95 |
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DB9 Slim line Null modem Adapters, Male-Male These slim line adapters converts a 9 pin straight through cable into a null modem (crossover) cable # Cablek: NM-9MMSL |
$6.95 $4.95 |
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DB9 Slim line Null modem Adapters, Female-Female These slim line adapters converts a 9 pin straight through cable into a null modem (crossover) cable. Changers the gender of the existing port or cable from a male to a female. # Cablek: NM-9FFSL |
$6.95 $4.95 |
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DB9 Null modem Adapters, Female-Female These adapters converts a 9 pin straight through cable into a null modem (crossover) cable. # Cablek: NM-9FF |
$6.95 $4.95 |
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DB25 Null modem Adapters, Female-Female These adapters converts a 25 pin straight through cable into a null modem (crossover) cable. # Cablek: NM-FF |
$11.95 $7.95 |
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DB25 Null modem Adapters, Male-Female These adapters converts a 25 pin straight through cable into a null modem (crossover) cable. # Cablek: NM-MF |
$11.95 $7.95 |
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DB25 Null modem Adapters, Male-Male These adapters converts a 25 pin straight through cable into a null modem (crossover) cable. # Cablek: NM-MM |
$11.95 $7.95 |
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