DB Connector

Short for A DB connector is a connector that is in the shape of a horizontal D. The most common DB connectors are the DB-9, DB-15, DB-19, DB-25, DB-37, and DB-50, the number indicates how many active lines the connector has, but not always meaning how many pins it has.

DB-9 & DB-15

Computer serial portAdditional information and help with the DB-9 and DB-15 or the standard PC serial port can be found on our serial port help page.

The DB-9 and DB-15 are also found on Network cards. The DB-9 cable is sometimes used for Token-Ring adapters and the DB-15 is used for the Thicknet coaxial cables. Additional information and help with network adapters can be found on our network help page.

The DB-9 port is also found on the NeXT computer used to connect laser printers.

DB-19

The DB-19 is a connector found on the Apple Macintosh, NeXT and some Atari computers, and is generally used to connect external disk drives.

DB-25

The DB-25 interface was an older serial connector. Additional information and help with serial ports can be found on our serial port help page.

The DB-25 port is also a SCSI interface. Additional information and help with SCSI can be found on our SCSI help page.

DB-37

Connector found on various network devices used to connect network hubs and other network devices and perform various other functions. Companies that utilize this cable include Cisco, Nortel, SMC...

The DB-37 connector is also used on other devices that connect such devices as sensors, switches, satellite antennas, control systems, video and audio studio automation, security control systems and various other equipment.

DB-50

SCSI connector that is rarely used or found today. Additional information and help with SCSI can be found on our SCSI help page.

Also see: Motherboard definitions