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Ports & ConnectorsThe various connectors and ports on the computer allow it to communicate with the many different devices and peripherals attached. Because there are so many cables and cords attached to the back of the computer, and so many different types of connectors, it often seems a little intimidating to the newer user. Although there are some devices which may use the same connector or port, the individual devices and their cords can only physically attach to one certain type of connector; so don't feel nervous about hooking your system together.

There's really no way you can do any harm to your computer just by hooking it up, as long as you follow a few common sense rules:

The first thing to know is the difference between a male and female connector. The male connector fits inside the female connector. If the connector has pins protruding from it, its a male connector. If the connector has holes for the pins to fit into, then its a female connector. When you hook something up to your computer, the male and female connectors are hooked together. The connectors on the back of your computer are called input/output ports (i/o ports) or communication ports.

The second thing you should remember is that when you join a connector to a port, they must have the same shape and the same number of pins or holes. In other words, a square peg won't fit into a round hole, and its not wise to try to jam fifteen pins into nine holes (part of the 'common sense' thing I was talking about).Which brings us to another very important point, never force anything.

Here's one that's hard to do. Always make sure the computer is off before attaching connectors or cables to any of the ports. This can cause little power gliches (another technical word) that could corrupt an open file or cause a program to freeze. It can even cause a small short that could damage or ruin components inside your computer. I know, you've done it a hundred times and never had a problem. Well, that's good. If you want to continue to practice risk management, that's your perogitive, but be aware of the possibilities and don't be surprised when you finally get burned. USB ports are the only ports that should be considered hot-swappable (this means they can be plugged in or unplugged while the machine is on).

Only one more thing to remember. There are small hexagonal nuts on either side of many of the ports on your computer. These allow you to screw the connectors in so they don't accidentally fall out or loosen. They just have to be screwed down, they do not have to be tightened. These nuts are actually the heads of small bolts that pass through the back plate on your computer and are attached with a small nut on the other side. If you tighten the screws too much, then when they're undone, they may take the bolt with them and the small nut may fall off inside the computer (onto the motherboard or an expansion card). Not a good thing.

Ports & Connectors (continued...)

Now that we know the basic rules, let's take a look at some of the connectors or ports you might find on your computer.

DB ConnectorThe most common connector is the DB connector. It's sort of a 'D' shape and is sometimes called a D-shell connector (go figure). It's designated as DB-x, with 'x' being the number of pins or holes on the individual connector. So a DB-9 female connector would be a 'D' shaped connector with 9 holes. This would receive a cord with a DB-9 male connector (with 9 pins).

If you find a DB male connector port on the back of your computer, (either a DB-9 male or a DB-25 male) it's going to be a serial port. Serial ports are also called COM ports or RS-232 ports (Reference Standard #232 as referenced by IEEE*). Serial ports transmit data one bit at a time and are relatively slow compared to other ports. However, they are plenty fast enough for some external devices such as a mouse, or an external modem. Because only one bit at a time is passed along a serial cable, it can travel a fair distance before data integrity is challenged (or errors start to occur). A serial cable shouldn't be more than 50 feet in length.

Incidentally, in case you were wondering, if you have a device with only nine holes on its connector, and only a DB-25 male serial port to connect to, all you need is a 9 to 25 pin adapter. There's no difference between a 25-pin serial port and a 9-pin serial port other than the fact that the DB-25 male has sixteen extra pins that it doesn't use.

If you have an older computer, and see a DB-9 female connector on the back, it's probably a video connector for an older EGA or CGA monitor. My guess is that you won't see one on your computer. However, if the question should ever come up, it could also be a Token Ring network adapter port.

Look on the back of your computer, you may be able to find two different DB-15 female connectors. If you see three rows of five holes, then it's your VGA or SVGA video monitor adapter. If you see only two rows (one of eight holes and one of seven), then it's probably a joystick adapter.

A DB-25 female connector on the back of your computer is going to be a parallel port. Parallel ports can transmit data eight bits at a time which creates a noticeable speed increase over serial ports. Most commonly used as printer connections, several other devices now use the parallel port such as tape backup systems, Zip drives and scanners to name a few. These devices are generally fitted with what is referred to as a pass-through port. This means that you can hook up your scanner to the parallel port (DB-25 female) and then connect your printer to the DB-25 connector on the back of the scanner and have access to both devices. This usually works well but does pose some problems. First off, the device has to be turned on for the pass-through port to work. To take this one step further, the device often has to be turned on before the computer is booted, to be recognized properly and for the right drivers to be loaded at startup. Also, users tend to think that they can daisy-chain these devices. In other words, connect their scanner to the computer, attach their Zip drive to the back of the scanner, their tape drive to the back of the Zip drive, and then their printer to the pass-through port on the back of the tape drive. Believe it or not, I've seen this done and I've seen it work (more or less). I've also seen it work one day and not the next. It's a hit and miss sort of thing (more miss than hit) and I wouldn't trust the integrity of the data past the second device.

Another thing to keep in mind, is that the cable on a parallel device shouldn't be more than 10 feet long. Data errors can occur beyond this distance.

DIN ConnectorThe DIN connector is a small round connector, usually with a keyed slot for proper orientation. Again, it's designated as DIN-x, with 'x' representing the number of holes or pins on the connector. It comes in a couple of different sizes and it's been used on computers about as long as the DB connector has. It's a fairly popular connector because of its small size and solid connection.

The most common DIN connector would have to be the DIN-5 keyboard connector. Its the largest of the DIN connectors that you're going to find on your computer and its been around for a long time. If you own a newer computer, then the DIN-5 has probably been replaced with a DIN-6 (mini-DIN or PS/2) connector.

The PS/2, or DIN-6 connector, was mainly used by Macintosh computers for the longest time (Macintosh also used a DIN-8 connector for their printer). You may hear them referred to as a mini DIN-6 connector. They're smaller and more compact than the typical DIN-5 connector and have become the standard for both the keyboard and the mouse on newer PCs. If this is the case on your computer, then the two DIN-6 female ports on the back of your computer are going to look an awful lot alike, and you need to distinguish between the mouse port and the keyboard port before hooking them up. They may be color coded or they may have a little icon beside them representing their use. Whatever the case, you're not going to do any harm if you accidentally get these two devices switched. Your mouse won't work, or you'll get a keyboard error at boot up. Your first course of action for troubleshooting this type of problem should be to check the connection anyway.

Another port you could find on the back of an older computer is the DIN-9. It would be another mini DIN port with 9 sockets. A bus mouse or a hand-held scanner may use this type of port, but it's unlikely that you're going to find one on a newer computer.

RJ ConnectorsThe RJ connector is used for communication devices. If you live in North America and have a jack on your wall that your phone connects to, that's an RJ-11 connector. Now, the RJ-11 connector or port doesn't have 11 pins or 11 holes. As a matter of fact, it only connects 4 or 6 wires.

You may have an RJ-11 connector on the back of your computer if you have an internal modem. This is to hook a phone line up allowing communication with other computers and access to the Internet and the World Wide Web.

If you see two RJ-11 connectors side by side, it means that you can hook the phone line to your computer using the one jack, and then an extension phone can be plugged into the other jack. A lot of modems today allow for fax and voice capabilities. This means that you can fax from your computer, it can double as an answering machine that records messages and voice mail, and, if you have speakers and a microphone, you can even use it as a speakerphone.

An RJ-45 connector looks much like the RJ-11, only larger. It connects 8 wires and is used for network ethernet connections. If you see and RJ-45 connector or port on the back of your computer then there's two possibilities; Your computer is hooked up to a network or intranet, or, you have cable hookup to the Internet and the World Wide Web. The latter uses an RJ-45 connection between

the cable modem and the network interface adapter (which is the same adapter you would be using for a network connection).

As you can see, the RJ connector is designated as RJ-x. But the 'x' doesn't tell you the number of connectors that the port has like other ports. At one time, I thought it might designate the size of the jack. The RJ-45 is larger than the RJ-11, but the RJ-12 is smaller (this is the connector between your phone and the handset), so I guess that doesn't hold water either. At this point, I become disinterested... If you know the answer, let me know and I might change this paragraph. But mainly what you need to know is, the RJ-11 connects 4 or 6 wires, is used on modems and telephones, and is smaller than the RJ-45 which is used for ethernet connections to network interface cards.

Centronics ConnectorsThe Centronics connector is a parallel interface connector. It has eight parallel data lines which allow data to travel eight bits at a time. (remember the parallel DB-25 female port). The Centronics connector is designated as Centronics-x, with 'x' representing the number of teeth or connections it has. It kind of looks like an elongated DB connector with metal teeth as connectors instead of pins. Some connectors have small clips on either side to hold it in place.

You're probably not going to find this connector on the back of your computer, but on the opposite end of your parallel cable where it connects to the printer. This will more than likely be a Centronics-36 connector.

If you have SCSI or know what SCSI is, then you should know that SCSI can use a Centronics-50 or Centronics-68 connector, as well as a DB-25.

 

USB (Universal Serial Bus)Universal Serial Bus is a relatively new connector that was meant to replace Serial and Parallel ports. Its a flat, keyed connector with four contacts that was designed for mid-speed peripherals such as scanners, keyboards, mice, joysticks, printers, modems and some CD-ROMs. USB is unique in that it is completely hot-swappable. In otherwords, you can plug it in or unplug it while the computer is on. Your computer should recognize it as soon as its plugged in, and you should have use of the device immediately.

USB allows you to daisy-chain up to 127 devices. This means that you could have a joystick plugged in, with a printer plugged into that, and a scanner plugged into the printer, etc...

USB was first introduced with new computers around 1997 and the final version of Win95 (SR2) provided very limited support for it. A few problems seemed to develop at first. You had to have a Pentium machine with a BIOS that supported USB, and it had to be enabled in the setup. Your computer had to have USB ports on it, or pins that allowed for the attachment of a USB interface. Aside from that, you could install a USB adapter card in one of your PCI slots. Then, there weren't a lot of USB devices out there.

I think one of the biggest problems that arose at first was that people weren't using the proper Operating System. The early versions of Win95 did not support USB. Also, a lot of machines shipped with USB ports or capabilities before the BIOS supported it completely. Updating, or flashing the BIOS could sometimes solve the problem.

Despite the growing pains, Windows 98, and computers shipped after 1998 provide excellent support for USB; and the number of devices have increased dramatically.

I have a USB mouse and scanner that I can hot swap between my desktops and my laptop with immediate access. To tell the truth, I haven't even tried daisy-chaining together, and as I write this, I'm thinking about going out and buying a keyboard just so I can try it. I think USB is fantastic, and I'm looking forward to the day when all peripherals are that easy to install and configure.

Connectors & Ports - Review

1. A lot of external devices or peripherals for your computer hook up to a serial port on the back. The serial ports that you may find will be ____________.

DB-9 or DB-25 female connectors

DB-9 or DB-25 male connectors

DB-25 female connectors

DB-15 female connectors

2. What is a common connector for a parallel port?

RJ-45

DB-25 male

DB-25 female

DB-15 female, in three rows of five slots

3. Which of the following can be used as SCSI connectors? Check all that apply.

Centronics 50-pin connector

Centronics 68-pin connector

DB 15-pin male connector

DB 25-pin female connector

4. RS-232 is an IEEE standard that applies to __________.

parallel ports

networks

game ports

serial ports

5. True or False. On the PC side, the printer port is usually a 25-pin female parallel connector.

True

False

6. A serial cable can be up to 50 feet long before data starts to lose its integrity.

True

False

7. Because a parallel cable can transfer data 8 bits at a time, it can be up to 75 feet long before data starts to lose its integrity.

True

False

8. Which of the following ports on the back of your computer are considered hot-swappable?

RS-232

USB

RJ-11

Mini DIN-6

9. This type of connector is sort of a 'D' shape and is sometimes referred to as a 'D-shell' connector.

DB

DIN

Centronics

USB

10. Which of the ports on the back of your computer can support a mouse? Choose all that apply.

DB-9 male

USB

PS/2

DB-25 male

11. The PS/2 mouse port is hardwired directly to ____________ .

an interface card

IRQ 12

IRQ 4

the power supply

12. If you have an older computer, and see a DB-9 female connector on the back, it's probably a/an _______________.

VGA video connector

EGA/CGA video connector

XGA video connector

SVGA video connector

13. What is the name of the small round connector that usually has a keyed slot for proper orientation?

USB

DB

Serial

DIN

14. The RJ-11 connects 4-6 wires, is used on modems and telephones, and is smaller than the _______ , which connects 8 wires and is commonly used for ethernet connections and internet cable connections to network interface cards.

RJ-45

RJ-12

Centronics-8

DB-8

15. True or False? The Centronics connector is a serial interface connector.

True

False

 

 

Figure 85: Common PC ports and connectors (#2 of 2)

2 pin MONO plug connector

2 pin RCA plug connector

3 pin stereo plug connector

3 pin IDC male connector

3 pin mini-DIN female connector

3 pin mini-din male connector

3 pin Panasonic GD 55 cell phone special connector

3 pin XLR female connector

3 pin XLR male connector

3 pin Neo Geo CD power connector

4 pin RJ11 male connector

4 pin RJ11 female connector

4 pin USB A / USB B / mini-USB jack connector

4 pin mini-DIN female connector

4 pin DIN 270 connector

4 pin USB A or USB B plug connector

4 pin Lowrance special connector

4 pin Nokia cell phone special connector

4 pin Garmin special connector

4 pin Garmin round special connector

4 pin mini-DIN male connector

4 pin 3.5mm (2.5mm) plug connector

4 pin MOLEX 39-29-9042 connector

4 pin MOLEX 39-01-2040 connector

4 pin Creative SB internal connector

4 pin Siemens SL 10 cell phone special connector

4 pin Philips 530 cell phone special connector

4 pin HP video power connector

4 pin Mini-Molex (Berg plug) connector

4 pin Molex power connector

4 pin Magellan special connector

4 pin HP48 calculator special connector

4 pin Nokia external cell phone special connector

4 pin XLR female connector

4 pin XLR male connector

4 pin Rino special connector

4 pin, 6 pin or 9 pin IEEE1394 (FireWire) plug connector

4 pin Nokia 8270 cell phone special connector

4 pin Nokia 1255 cell phone special connector

4 pin uniden connector

4 pin uniden bc246t connector

5 pin conrad special connector

5 pin DIN male connector

5 pin IDC male connector

5 pin DIN female connector

5 pin Nokia 2100 cell phone special connector

5 pin Nokia 3650 cell phone special connector

5 pin Nokia 6100 cell phone special connector

5 pin Alcatel 311 cell phone special connector

5 pin SQUARE female connector

5 pin Alcatel BG cell phone special connector

5 pin cell phone special connector

5 pin mini-din connector

5 pin Nokia 5140 cell phone special connector

5 pin Nokia 6255 cell phone special connector

5 pin Nokia 6060 cell phone special connector

5 pin XLR female connector

5 pin XLR male connector

5 pin mini-USB jack connector

5 pin mini-USB plug connector

5 pin I-mobile cell phone special connector

5 pin Samsung cell phone special connector

5 pin USB HDD case special connector

5 pin Apple power connector

6 pin DIN female connector

6 pin MOLEX 39-30-1060 connector

6 pin mini-DIN female (PS/2 STYLE) connector

6 pin 2x MOLEX 90331-0001 connector

6 pin MOLEX 39-01-2060 connector

6 pin mini-DIN male (PS/2 STYLE) connector

6 pin DIN male connector

6 pin Lowrance one-row special connector

6 pin Lowrance (round) special connector

6 pin MMJ female connector

6 pin MMJ male connector

6 pin Nokia 3210 cell phone special connector

6 pin Garmin special connector

6 pin RJ12 (6P6C) female connector

6 pin RJ12 (6P6C) male connector

6 pin Nokia 3510 cell phone special connector

6 pin Nokia 6600 cell phone special connector

6 pin Simcard special connector

6 pin Samsung cell phone special connector

6 pin Motorola T192 cell phone special connector

6 pin Nokia 2-rows cell phone internal special connector

6 pin SENDO cell phone special connector

6 pin Sendo M550 cell phone special connector

6 pin ATX AUX power connector

6 pin Lowrance round special connector

6 pin 4 pole 1/8 inch plug + 2 rings iPod special connector

6 pin Nokia 7610 cell phone special connector

6 pin Kyocera cell phone special plug connector

6 pin Nokia 6111 cell phone special connector

6 pin XLR female connector

6 pin XLR male connector

6 pin ZTE cell phone special connector

7 pin mini-DIN female connector

7 pin mini-DIN female (key in the center) connector

7 pin female EDGE connector

7 pin Garmin special connector

7 pin SNES special female connector

7 pin Panasonic cell phone special connector

7 pin Serial ATA motheboard internal connector

7 pin MM-card special connector

7 pin Nokia 8800 cell phone special connector

7 pin Nokia E50 cell phone special connector

7 pin Nokia N70 cell phone special connector

7 pin Nokia 7370 cell phone special connector

7 pin Alcatel E256 cell phone special connector

7 pin Nokia E61 cell phone special connector

7 pin (16 pads, 7 shown) Nokia E70 cell phone special connector

7 pin Nokia N73 cell phone special connector

7 pin Nokia 7390 cell phone special connector

7 pin Nokia 7500 cell phone special connector

7 pin Nokia 6500c cell phone special connector

8 pin RJ45 (8P8C) male connector

8 pin DIN female connector

8 pin DIN male connector

8 pin mini-DIN female connector

8 pin RJ45 (8P8C) female connector

8 pin mini-DIN male connector

8 pin TURBOVISION TV female connector

8 pin MOLEX 39-29-9082 connector

8 pin MOLEX 39-01-2080 connector

8 pin SMARTCARD special connector

8 pin Nokia 8260 cell phone special connector

8 pin Nokia 8810 cell phone special connector

8 pin Alcatel cell phone special connector

8 pin Motorola cell phone special connector

8 pin Motorola cell phone special 2 rows connector

8 pin Nokia 6260 cell phone special connector

8 pin 4 pole plug + 4 pin iPod special connector

8 pin I-mobile cell phone special connector

8 pin Motorola F3 cell phone special connector

8 pin Chinese cell phone special connector

8 pin Cowon D2 connector

9 pin D-SUB female connector

9 pin D-SUB male connector

9 pin Nokia 5110 cell phone special connector

9 pin mini-DIN male special connector

9 pin mini-DIN female special connector

9 pin Sony Playstation special connector

9 pin Nokia 7210 cell phone special connector

9 pin Motorola cell phone special connector

9 pin Nokia 6820 cell phone special connector

9 pin Nokia 6650 cell phone special connector

9 pin Apple mini din connector

9 pin SD-card special connector

9 pin Nokia 9500 cell phone special connector

9 pin Nokia 7600 cell phone special connector

9 pin Nokia 7650 cell phone special connector

9 pin mini-din female connector

9 pin J1930 connector

9 pin unspecified connector

10 pin mini-DIN female special connector

10 pin IDC male connector

10 pin Nokia 6800 cell phone special connector

10 pin Motorola 6200 cell phone special connector

10 pin mini-din female connector

10 pin Motorola d520 cell phone special connector

10 pin PALM special connector

10 pin DIN female connector

10 pin Memory stick special connector

10 pin Creative SB 1394 special connector

10 pin Nokia 7280 cell phone special connector

10 pin cell phone special connector

10 pin NEC N343i / Samsung D500 headset cell phone special connector

10 pin Benq cell phone special connector

10 pin I-mobile cell phone special connector

10 pin I-mobile 503 cell phone special connector

10 pin ZTE cell phone special connector

10 pin RJ50 (10P10C) male connector

10 pin Alcatel E801 cell phone special connector

10 pin Chinese cell phone special 5x2 connector

11 pin Ericsson cell phone special connector

11 pin Nokia 9210 cell phone special connector

11 pin Alcatel BH4 cell phone special connector

11 pin Samsung cell phone special connector

11 pin Enhanced Mini-USB (EMU) plug connector

11 pin HTC ExtUSB jack connector

12 pin 2x MOLEX 15-48-0106 connector

12 pin IDC male connector

12 pin SNES A/V female special connector

12 pin SNES A/V male special connector

12 pin Nokia 8110 cell phone special connector

12 pin cell phone special connector

12 pin Nokia cell phone special connector

12 pin Siemens Slim Lumberg cell phone special connector

12 pin Ericsson cell phone special connector

12 pin Nokia 5100 cell phone special connector

12 pin Nokia 8310 cell phone special connector

12 pin Nokia 8910 cell phone special connector

12 pin plain cell phone special connector

12 pin Alcatel cell phone special connector

12 pin iPAQ male special connector

12 pin Sony Playstation special connector

12 pin Siemens Lumberg cell phone special connector

12 pin SNES EDGE special connector

12 pin Nokia 6620 cell phone special connector

12 pin SonyEricsson K750i cell phone special connector

12 pin XBox power supply v1.0, v1.1 special connector

12 pin Nokia 3250 cell phone special connector

12 pin LG handsfree cell phone special connector

12 pin (2 rows) Chinese cell phone special connector

12 pin Chinese cell phone special connector

13 pin 13W3 female connector

13 pin Mitsubishi cell phone special connector

13 pin Garmin special connector

13 pin Mitsubishi Cosmo cell phone special connector

13 pin Nokia 5300 cell phone special connector

14 pin CENTRONICS female connector

14 pin DIN male connector

14 pin Sony CMD cell phone special connector

14 pin SONY BETAMAX female connector

14 pin SONY BETAMAX male connector

14 pin Ricoshet SE connector

14 pin unspecified cell phone special connector

14 pin Siemens C30 cell phone special connector

14 pin Siemens S40 cell phone special connector

14 pin Motorola cell phone special connector

14 pin Philips cell phone special connector

14 pin Nokia pop-port cell phone special connector

14 pin Apple AAUI female connector

14 pin Apple AAUI male connector

14 pin Apple PowerBook video connector

14 pin Apple video connector

14 pin Ericsson cell phone special connector

14 pin Panasonic cell phone special connector

14 pin Dancal cell phone special connector

14 pin HP Jornada special connector

14 pin Panasonic X70 cell phone special connector

14 pin Nokia 9300 cell phone special connector

14 pin Nokia 5500 cell phone special connector

14 pin Lobster cell phone special connector

14 pin (2 rows) Chinese cell phone special connector

14 pin Molex 39-01-2140 connector

14 pin Nissan consult ECU connector

15 pin D-SUB female connector

15 pin D-SUB male connector

15 pin highdensity D-SUB female connector

15 pin highdensity D-SUB male connector

15 pin Motorola cell phone special connector

15 pin Cisco DB connector

15 pin Amiga 3000d power connector

15 pin Palm special connector

15 pin SATA power connector

16 pin cell phone 2 rows w/antenna left special connector

16 pin cell phone 2 rows w/antenna right special connector

16 pin Psion II special connector

16 pin cell phone special connector

16 pin NEC cell phone special connector

16 pin PALM special connector

16 pin Sharp GX10 cell phone special connector

16 pin Creative MIDI internal connector

16 pin car OBD2 special connector

16 pin Bosch 509 cell phone special connector

16 pin PalmOne Treo 650 special connector

16 pin Qualcomm cell phone special connector

16 pin Dell dimension PSU connector connector

17 pin Motorola V60 cell phone special connector

17 pin Nokia 6630 cell phone special connector

17 pin Nokia N80 special connector

17 pin Nokia E65 cell phone special connector

18 pin MOLEX 39-29-9182 connector

18 pin cell phone 2 rows special connector

18 pin Sony cell phone special connector

18 pin Samsung SGH-600 cell phone special connector

18 pin Samsung cell phone special connector

18 pin unspecified cell phone special connector

18 pin LG B1200 cell phone special connector

18 pin Phillips cell phone special connector

18 pin LG plain cell phone special connector

18 pin Sagem cell phone special connector

18 pin Samsung right-to-left numbering cell phone special connector

18 pin Philips 659 cell phone special connector

18 pin NEC N610 cell phone special connector

18 pin Vitelcom cell phone special connector

19 pin D-SUB female connector

19 pin D-SUB male connector

19 pin (Cannon 19 pin male?) connector

19 pin Philips 630 cell phone special connector

19 pin Samsung PDA special connector

19 pin HDMI type A connector

20 pin MOLEX 39-29-9202 connector

20 pin IDC male connector

20 pin MOLEX 39-01-2200 connector

20 pin IDC female connector

20 pin MDR20 female connector

20 pin Bosh cell phone special connector

20 pin Philips A/V special connector

20 pin Apple HDI-20 connector

20 pin XBox power supply v1.2, v1.3 special connector

20 pin car OBD2 special connector

20 pin Samsung cell phone special connector

20 pin Samsung E910 cell phone special connector

21 pin SCART female connector

21 pin SCART male connector

22 pin MOLEX 39-29-9222 connector

22 pin MOLEX 39-01-2220 connector

22 pin smartmedia special connector

22 pin Audiovox cell phone special connector

22 pin male Himalaya special connector

22 pin Maxon cell phone special connector

22 pin unspecified special connector

23 pin D-SUB female connector

23 pin D-SUB male connector

23 pin Samsung S100 cell phone special connector

24 pin DZM 12 DREH connector

24 pin CENTRONICS female connector

24 pin MOLEX 44206-0007 connector

24 pin Amphenol male connector

24 pin cell phone unspecified special connector

24 pin Amiga 3000T power connector

24 pin SUN aux power connector

24 pin Pantech cell phone special connector

24 pin Samsung cell phone special connector

24 pin LG 7050 cell phone special right-to-left numbering connector

24 pin LG 7050 cell phone special connector

24 pin Samsung E530 cell phone special connector

24 pin DVI-D female connector

24 pin MOLEX 39-01-2240 or equivalent connector

25 pin D-SUB male connector

25 pin D-SUB female connector

25 pin Cisco DB connector

26 pin IDC male connector

26 pin D-SUB connector

26 pin LG cell phone special connector

26 pin Sun AUI connector

26 pin Asus MyPal special connector

26 pin Toshiba special connector

26 pin hi-density D-SUB connector

29 pin DVI female connector

29 pin ATI special connector

30 pin Apple HDI-30 connector

30 pin SIMM connector

30 pin MOLEX "MicroCross" female connector

30 pin MOLEX "MicroCross" male connector

30 pin iPOD special connector

34 pin IDC female connector

34 pin IDC male connector

34 pin male EDGE connector

34 pin M/34 female connector

34 pin M/34 male connector

34 pin V.35 Cisco connector

35 pin EDGE connector

35 pin MOLEX "MicroCross" female connector

35 pin MOLEX "MicroCross" male connector

35 pin Apple ADC "MicroCross" female connector

35 pin Apple ADC "MicroCross" male connector

36 pin CENTRONICS female connector

36 pin CENTRONICS male connector

36 pin MDR36 male connector

36 pin MDR36 SGI female connector

36 pin MDR36 female connector

36 pin D-SUB? female connector

36 pin Dell Axim special connector

37 pin D-SUB male connector

37 pin D-SUB female connector

37 pin Cisco DB connector

40 pin IDC male connector

40 pin IDC female connector

40 pin hi-density D-SUB female connector

40 pin hi-density D-SUB male connector

40 pin Toshiba special connector

40 pin Dell Axim special connector

44 pin IDC (0.75") male connector

44 pin IDC (0.75") female connector

45 pin Apple HDI-45 connector

48 pin Apple ATA connector

50 pin IDC female connector

50 pin hi-density D-SUB female connector

50 pin Amphenol male connector

50 pin CompactFlash female connector

50 pin Amphenol female connector

50 pin IDC male connector

50 pin hi-density D-SUB male connector

50 pin D-SUB male connector

50 pin D-SUB female connector

50 pin M/50 male connector

50 pin M/50 female connector

50 pin Half Pitch Centronics male connector

50 pin Half Pitch Centronics female connector

56 pin JAMMA special connector

58 pin EDGE female connector

58 pin EDGE male connector

60 pin BURNDY (C-60) connector

60 pin CNR bus connector

60 pin Cisco DB connector

60 pin LFH-60 male connector

68 pin female connector

68 pin male connector

68 pin hi-density D-SUB female connector

68 pin hi-density D-SUB male connector

68 pin Slimline connector

72 pin SO DIMM connector

72 pin SIMM connector

72 pin 2x36 EDGE female connector

80 pin SCSI SCA-2 female connector

90 pin (36+54) EDGE connector

96 pin DIN 41612 (3x32) female connector

96 pin Euro-DIN connector

96 pin male or female (Fujitsu FCN 234P096-G/Y) connector

98 pin (62+36)ISA EDGE male connector

98 pin (62+36)ISA EDGE female connector

100 pin Mini-PCI Type I/II (Amp 353183-8) connector

116 pin MCA bus connector

120 pin Euro-DIN connector

124 pin (98+22) PCI 5 volt EDGE connector

124 pin Mini-PCI Type III (Amp 1318228-1) connector

132 pin EDGE (AGP bus) connector

144 pin SO SIMM connector

146 pin PC/104 16 bit connector

152 pin Apple Powerbook PDS connector

160 pin DIN 41612 (5x32) female connector

168 pin DIMM connector

172 pin MCA bus connector

184 pin DIMM connector

198 pin (62+36/62+38) EISA EDGE connector

240 pin DIMM DDR2 connector

7x47 pin (IEC917 and IEC1076-4-101) connector

Connectors with 2 to 6 pins