Fish Tape

Fish tape is a industry term (or slang) to refer to a tool used to get cables through conduit (thin, metal piping about 1" or less in diameter).

Fish tape is a self-contained reel of rigid metal tape.  It's a thin, flat piece of metal about 1/4" wide.

conduit pipes coming out of the ceiling into a network closet (above)

Below is a picture of a reel of 120' of metal fish tape.  You can get fiberglass Fish tape too.

Opening a Cisco 3900 CME router

Cisco 3900 is a ISR router used to host the Cisco Call Manager Express phone system.

I recently had to do a lot of trouble shooting on one.  I had the opportunity to take it apart (actually two of them as I was swapping parts).  I took several pics and here they are

this unit contains a SPE-150 with several VIC cards and a T-1 card.  Also, it has an SRE-900 card.

.  This is a pic with the SPE-150 cards out.

These are a couple of SPE-150 cards that connect to the back plane.

Here's a little closer.  The pic is hi-res, so you can click to enlarge it.

Also, I had to remove one of the power supplies to put in the other one.  Here's what that bay looks like.

On the left is the cover with the 5 fans.