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See Also: DB9 Connectors,
DB9 Breakout Board,
DB9 Breadboard Adapters
General Description
These Null Modem cables can be used to connect two PC serial ports
together, allowing communication between them. The Transmit signal of
one side is connected to the Receive signal of the other. Flow control lines
and other signals are also connected. The exact connections are:
| Signal | DB9 Pin | DB9 Pin | Signal |
|---|
| Receive | 2 | 3 | Transmit |
| Transmit | 3 | 2 | Receive |
| DTR (Data Terminal Ready) | 4 | 6, 1 | DSR (Data Set Ready), Carrier Detect |
| Ground | 5 | 5 | Ground |
| DSR (Data Set Ready), Carrier Detect | 6, 1 | 4 | DTR (Data Terminal Ready) |
| RTS (Request to Send) | 7 | 8 | CTS (Clear to Send) |
| CTS (Clear to Send) | 8 | 7 | RTS (Request to Send) |
Cables are available with the following end connectors:
DB9 Female
|
| Product # |
Description |
Quantity Pricing |
RoHS |
Buy Now |
| 1+ |
10+ |
|---|
| NMC9F9F-6 |
Null Modem Cable, DB9 Female to DB9 Female, 6 Ft |
$3.99 |
$3.75 |
Yes |
|
All of the above items are normally stocked. Please call us if you need to verify availability for a specific quantity, or for pricing at higher quantities. Please visit our ordering page for our ordering policies and a list of ordering methods.
What is RoHS? If you need a RoHS version of a non-RoHS product, please contact us.
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