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Home > Products > Null modems

 Null modems

Null Modem Adapters
  • Interconnect two computers with similar RS-232 ports without a LAN
  • Addresses the most common RS-232 problem; the reversal of Transmit (pin 2) and Receive Data (pin 3)
  • All DB25 connectors
  • Other popular pin arrangements available — see below.

 

Null Modem diagram

 

Model No.
Description
Price
MFNM25
DB25 Null Modem Adapter
Null Modem Adapter - DB25 Male / DB25 Female
Datasheet     Photo  
 
$9.00

MMNM25
DB25 Null Modem Adapter
Null Modem Adapter - DB25 Male / DB25 Male
Datasheet     Photo  
 
$9.00

MF23R25
DB25 Null Modem Adapter
Pin 2 to Pin 3 Reverser - DB25 Male / DB25 Female
Datasheet     Photo  
 
$9.00

MFDTE25
DB25 Null Modem Adapter
DCE to DTE Port Reverser - DB25 Male / DB25 Female
Datasheet     Photo  
 
$9.00

MMNM9
DB9 Null Modem Adapter
Null Modem Adapter - DB9 Male / DB9 Male
Datasheet     Photo  
 
$9.00

 

 

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