Skip to content
Atlas Liaison Group
Product photo: Null Modem Adapter, DB9 Male to DB9 Male
Product photo

Computer port adapters

Null Modem Adapter, DB9 Male to DB9 Male

Part number 30D1-18100Listed in stock

An adapter changes the physical connection or wiring between specified computer interfaces.

Supplier inventory as of .

$2.07 USD per listed item or pack

Quantity pricing
  • 100+ · $1.86
  • 250+ · $1.79
  • 500+ · $1.72
  • 1000+ · Supplier quote
$2.07 subtotalCableWholesale price checked Nov 13, 2026. Shipping and tax extra.

Specifications

Part number
30D1-18100
Category
Computer port adapters
Construction
Null Modem
Connector references
DB9 Male
GTIN
846568014789

How to use it

Match a legacy serial peripheral to its host by comparing both ports and the equipment wiring diagram.

Check before choosing

The shell shape alone cannot distinguish video, serial, straight-through and crossover wiring.

Compare related parts