درگاه موازی
Sign in to saveAlso known as printer port, LPT, Centronics, Centronics port
an interface for connecting peripherals to computers, mainly used for connecting printers; was replaced by other technologies like USB and WLAN
Key facts
- Type
- Point-to-point
- Designer
- Centronics , IBM
- Designed
- 1970–1981
- Manufacturer
- Centronics, Dataproducts, Intel, IBM, Compaq, Nortel, etc
- Length
- 2.3 cm (0.91 in)
- Hot pluggable
- Usually not
- External
- Yes
- Cable
- Usually up to 25 wires including ground; optionally shielded
- Pins
- 8 data, 4 output control, 5 input control, 8 ground
- Connector
- DB-25 , DB25F , "Centronics" 36-pin Amphenol , DC-37 , others
- Signal
- 0 to +5.0 volt DC
- Earth
- Dedicated pins
- Max voltage
- 5 volts DC
- Data signal
- Parallel
- Width
- Variable
- Bitrate
- PP: 150 kB/s , EPP: 2 MB /s, ECP: 2.5 MB/s
- Max devices
- 2, unless devices provide passthrough
- Protocol
- Application dependent
via Wikipedia infobox
Wikidata facts
- Instance of
- technical standard
- Followed by
- USB
- Image
- Cannon DBM-25P connector-2406.jpg
Show 4 more facts
- Stack Exchange tag
- stackoverflow.com/tags/parallel-port
- Commons category
- Parallel port
- complies with
- IEEE 1284
- different from
- serial port
via Wikidata · CC0