Null modem is a communication method to directly connect two DTEs using an RS-232 serial cable. BigCatCables.com has a variety of Null Modem cables available ranging from 6 foot to 25 foot and with a multiple configurations available.
6 Foot DB9 Female to DB25 Male Null Modem Cable
$2.99
In stock, 745 (Including Any/All options) SKU: BC-3010-B-6
6 Foot Null Modem DB9 Male to DB9 Female Serial Cable
$2.99
In stock, 612 (Including Any/All options) SKU: BC-3009-B-6
10 Foot Null Modem DB9 Male to DB9 Female Serial Cable
$3.09
In stock, 129 (Including Any/All options) SKU: BC-3009-B-10
10 Foot DB9 Female to DB25 Male Null Modem Cable
$3.99
In stock, 431 (Including Any/All options) SKU: BC-3010-B-10
25 Foot Null Modem DB9 Female to DB9 Female Serial Cable
$5.99
In stock, 245 (Including Any/All options) SKU: BC-3008-B-25
25 Foot Null Modem DB9 Male to DB9 Female Serial Cable
$6.14
In stock, 99 (Including Any/All options) SKU: BC-3009-B-25
