DB9 Cords | McMaster-Carr

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50 Products

USB Adapter Cords

Adapt your USB port to connect to a variety of other devices. These USB cords are backward compatible, so they work with cords and connectors that meet the same or a lower USB standard.

Double-shielded cords have insulation, so they reduce signal interference from nearby equipment and devices.

USB A Plug × DB9 Plug

A Plug × DB9 Plug

USB 2.0—480Mbps Transmission Speed
Length, ft.	Application	Industry Designation	Shielding	Shield Type	Color	Includes		Each
2 1/2	Data	RS-422A, RS-485	Double Shielded	Braid, Foil	Black	__	0000000	000000
5	Data	RS-232	Unshielded	__	Black	Driver CD	0000000	00000

USB C Plug × DB9 Plug

C Plug × DB9 Plug

USB 2.0—480Mbps Transmission Speed
Length, ft.	Application	Shielding	Color		Each
5	Data	Unshielded	Black	00000000	000000

D-Sub Cords

Connect computers, monitors, printers, and other devices with DB connections.

RS-232 cords transmit data between a modem and another device, such as a computer.

Null modem cords connect two like devices, such as a computer to a computer.

Shielded cords have foil to prevent signal interference from nearby devices. Use them in settings with low to moderate signal interference, such as labs, storage facilities, and offices.

Double-shielded cords have braid and foil for better protection against signal interference than shielded cords. However, the extra shielding adds diameter and reduces flexibility. They’re used in steel mills, machine tool plants, and other heavy processing facilities.

Cords with reversible mounting hardware have removable thumb screws to enable a wider range of mounting options than other cords. Mount them to ports and adapters, as well as directly into panels.

DB9 Plug × DB9 Plug

DB9

RS-232—Shielded
Length, ft.	Shield Type	Cord OD	Color		Each
1	Foil	0.24"	Beige	00000000	000000
2 1/2	Foil	0.24"	Beige	00000000	00000
5	Foil	0.24"	Beige	00000000	00000
10	Foil	0.24"	Beige	00000000	00000
15	Foil	0.24"	Beige	00000000	00000
25	Foil	0.24"	Beige	00000000	00000
50	Foil	0.24"	Black	00000000	00000
RS-232—Double Shielded
1	Braid, Foil	0.24"	Beige	00000000	00000
2 1/2	Braid, Foil	0.24"	Beige	00000000	00000
5	Braid, Foil	0.24"	Beige	00000000	00000
6	Braid, Foil	0.25"	Gray	0000000	00000
10	Braid, Foil	0.25"	Gray	0000000	00000
12	Braid, Foil	0.24"	Beige	00000000	00000
15	Braid, Foil	0.24"	Beige	00000000	00000
25	Braid, Foil	0.24"	Beige	00000000	000000
50	Braid, Foil	0.24"	Beige	00000000	000000

DB9 Plug × DB9 Socket

DB9

RS-232—Shielded
Length, ft.	Shield Type	Cord OD	Color		Each
1	Foil	0.24"	Beige	00000000	000000
2 1/2	Foil	0.24"	Beige	00000000	00000
5	Foil	0.24"	Beige	00000000	00000
10	Foil	0.24"	Beige	00000000	00000
15	Foil	0.24"	Beige	00000000	00000
25	Foil	0.24"	Beige	00000000	00000
50	Foil	0.24"	Black	00000000	00000
RS-232—Double Shielded
1	Braid, Foil	0.24"	Beige	00000000	00000
2 1/2	Braid, Foil	0.24"	Beige	00000000	00000
5	Braid, Foil	0.24"	Beige	00000000	00000
6	Braid, Foil	0.25"	Gray	0000000	00000
10	Braid, Foil	0.25"	Gray	0000000	00000
12	Braid, Foil	0.24"	Beige	00000000	00000
15	Braid, Foil	0.24"	Beige	00000000	00000
25	Braid, Foil	0.24"	Beige	00000000	00000
50	Braid, Foil	0.24"	Beige	00000000	000000

DB9 Socket × DB9 Socket

Reversible Mounting Hardware

DB9

RS-232—Shielded
Length, ft.	Shield Type	Cord OD	Features	Color		Each
1	Foil	0.24"	Reversible Mounting Hardware	Beige	00000000	000000
2 1/2	Foil	0.24"	Reversible Mounting Hardware	Beige	00000000	00000
5	Foil	0.24"	Reversible Mounting Hardware	Beige	00000000	00000
10	Foil	0.24"	Reversible Mounting Hardware	Beige	00000000	00000
15	Foil	0.24"	Reversible Mounting Hardware	Beige	00000000	00000
25	Foil	0.24"	Reversible Mounting Hardware	Beige	00000000	00000
Null Modem—Shielded
6	Foil	0.16"	__	Beige	0000000	0000
10	Foil	0.16"	__	Beige	0000000	00000

D-Sub Connectors

Straight

DB9

Assemble DB and HD connectors to replace worn out connectors.

Shielded connectors prevent electromagnetic interference.

Connectors with wire leads come with cable already attached. Each wire lead is a separate color for easy identification and they are labeled with the pin that they are connected to. Those with DB9, DB15, and DB25 connections are RS-232, so they transmit data between computers and equipment. The thumb screws on these connectors have slots so they can be tightened with a screwdriver in tight spaces.

Straight Connectors—Wire Leads Connection

				DB9
Wire Lead Gauge	Cable OD	Cable Lead Lg., ft.	Housing Material		Each
Shielded Plug
28	0.2"	5	Plastic	00000000	000000
28	0.2"	10	Plastic	00000000	00000
28	0.2"	25	Plastic	00000000	00000
Shielded Socket
28	0.2"	5	Plastic	00000000	00000
28	0.2"	10	Plastic	00000000	00000
28	0.2"	25	Plastic	00000000	00000

Mitutoyo 10-Pin to RS-232C Adapters

Convert Mitutoyo 10-pin SPC cables to RS-232C for connection to PCs to import measurement data into Microsoft Excel or any SPC software.

	Computer Connection
Connection Type	Type	Industry Designation	Lg.	Wd.	Ht.	Cord Lg.	Manufacturer Model No.		Each
10-pin Mitutoyo Connector × Computer Connection	DB9	RS-232C	2 3/4"	1 3/4"	1"	40"	264-007	0000000	0000000