"connectors..."

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Hi Guys,

Quick question...

When a question says - describe a serial "connector", and you have answers such as DB25 Female, DB25 male, DB9 male and DB9female

Does connector generally mean, the connector on the lead, or the connector on the back of the PC? Because obviously the answers are totally opposite depending on what ur talking about!

 

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Steve,

Good point. This is one area that Comptia will try and throw you by the wording of the question. If so, use the wipeboard you have to make it clear in your mind. Hopefully, you might have a diagram of a connector asking you if it is on the PC or cable.

good luck

Si

 

Personaly I have always considered 'connector' to be a generic term covering both plug and socket. i.e. you shouldn't talk about the 'RS-232 socket' on a PC - because it is really a 'plug' - so 'connector' is a better term.

Harry.

 

steveh2001,

According to the "A+ Core Hardware (2003) Examination Objectives", Page 4 of 13, Domain 1 Installation, Configuring, and Upgrading, 1.5 states "Identify the names, purposes, and performance characteristics, of standardized/common peripheral ports, associated cabling, and their connectors. Recognize ports, cabling, and connectors, by sight."

It lists:

• Connector Types
  • Serial
    • DB-9
    • DB-25
    • RJ11
    • RJ-45
  • Parallel
    • DB-25
    • Centronics (mini, 36)
  • PS2/Mini-DIN
  • USB
  • IEEE 1394

Based on the definition from the A+ Objectives, I think the "Identify...standardized/common peripheral ports," is the side that's on the motherboard/case and the "Identify..., associated cabling, and their connectors,..." refers to the cabling and connector.

With that said, here goes for the "standardized/common peropheral ports," list...

• Serial
  • DB-9 - http://www.radioshack.com/product/i...&cp=2032058.2032231.2032285&parentPage=family
  • DB-25 - http://www.radioshack.com/product/i...&cp=2032058.2032231.2032285&parentPage=family
  • RJ-11 - http://www.radioshack.com/product/i...AD/Product+Type/Jacks&fbc=1&parentPage=family
  • RJ-45 - http://www.blackbox.com/Catalog/Detail.aspx?cid=45,646,888&mid=3606
• Parallel
  • DB-25 - http://www.radioshack.com/product/i...&cp=2032058.2032231.2032285&parentPage=family
  • Centronics - http://www.fijidiscount.be/images/parallelport01_150.jpg
• PS2/Mini-DIN - http://www.markonet.cz/vyuka/principy/15konektory/ps2-mouse.jpg
• USB - http://www.ebizindia.com/thumbdrive/images/usb-port.gif
• IEEE 1394 - http://ext.ricoh.co.jp/scanner/option/img/ieee1394_img01.jpg (the holes on the expansion card)

Now for the ",cables, and their connectors" part:

• Serial
  • DB-9 - http://www.clickonit.com/Mice/Serial_Mice/86989.php
  • DB-25 - http://www.radioshack.com/product/i...able+Type/25-position&fbc=1&parentPage=family
  • RJ-11 - http://www.radioshack.com/product/i...AD/Product+Type/Plugs&fbc=1&parentPage=family
  • RJ-45 - http://www.blackbox.com/Catalog/Detail.aspx?cid=45,84,867&mid=2464
• Parallel
  • DB-25 - http://www.nurol.com/claycart/images/CAB-Parallel-2L.gif
  • Centronics - See above
• PS2/Mini-Din - http://www.technologydepot.net/92647389.jpg
• USB - http://www.techreviewer.com/content/reviews/sandisk.titanium/p3220044.jpg
• IEEE 1394 - http://www.dvi-cable.com/prodimages/10e3-960.jpg (On the left is a regular sized firewire connector) http://www.nti1.ch/english/images/x-1394-6pf4pm.jpg (On the right is the mini-firewire connector)

I hope this helps.

 

Excellent - thanks guys!

Made a nice note page with the pics from those links

Guess if they just mention "serial port" then they are talkign about the PC port, and if they specifically mention cabling, then obviously the cabling.

Also Boyce - you mention the wipeboard, what exactly is this? Just want to know a bit more about the actual exam setup!

Cheers

 

Just realised - all ports are female on the back of the PC - nice and easy to remember!

 

Er - except, of course, serial ports.

Harry.

 

Dam!

I was looking at this one (top of your list)

http://www.radioshack.com/product/i...&cp=2032058.2032231.2032285&parentPage=family

Assuming because it had a back plate it was the PC connector but i guess not

Are the DB9 and DB 25 both male?

 

Judging from this pic:

http://www.arndt-electronics.com/products/prodimages/149614.jpg

Containing a DB9/25 serial port, the only male connector on the back of the PC is a DB9 serial?

Ill relearn my connectors now!

 

Older PCs had both a D9 and a D25 male port. Even older units had two D25 ports.

Strictly - the name DB9 is wrong. See here.

I'm not sure what the CompTIA take on this is though.

Harry.

 

Whats a whiteboard?

 

When you go in to test, you are given either a couple of sheets of paper and a pencil to write on, or a "Whipeboard", and an eraseable marker. One of the best pieces of info I got when I first started taking cert tests is to use this to write down stuff you have memorized, like the commonly used ports, Interrupts, etc., so that if you experience a brain freeze during the test, you have your notes to look at.