Null modems

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 Change to GBP	Buy Now
MFNM25	Null Modem Adapter - DB25 Male / DB25 Female Datasheet Photo	Euro 7.03
MMNM25	Null Modem Adapter - DB25 Male / DB25 Male Datasheet Photo	Euro 7.03
MF23R25	Pin 2 to Pin 3 Reverser - DB25 Male / DB25 Female Datasheet Photo	Euro 7.03
MFDTE25	DCE to DTE Port Reverser - DB25 Male / DB25 Female Datasheet Photo	Euro 7.03
MMNM9	Null Modem Adapter - DB9 Male / DB9 Male Datasheet Photo	Euro 7.03

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B&B Electronics
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T 815-433-5100 F 815-433-5109

Europe, Middle East, Africa
B&B Electronics Ltd
10 Westlink Commercial Park, Oranmore, Co. Galway, Ireland
T 353.91.792444 F 353.91.792445