Problem Solving:General
Soldering is a useful skill
for
a network support person.
Matthew Bell demonstrates the technique.
n the early days of networking, the
solder should be melted onto the
The soldering iron would then be
average network analyst's tool box
tip of the iron, and then the tip
placed on the joint, making sure
consisted of a multimeter, a set of
wiped onto a damp cloth or
that all the pieces are being heated.
screwdrivers and a soldering iron. In
sponge. The tip of the soldering
3. The amount of time the iron should
these days of software diagnostics the
iron should then be coated in a
stay on the joint depends to a
requirement to go in and get your
thin layer of clean, shiny solder.
large extent on how much ma
hands dirty is diminishing, but a sol
dering iron is still a useful tool. There
are many opportunities for custom
cables to be made up, repairs to exist
ing cabling carried out and so on
Tools
The essential tool for soldering is, of
course, the soldering iron. For most
soldering tasks a relatively low power
(20 to 25 watt) iron will be more than
sufficient and quite cheap (US $30 to
$40). Some good quality solder is the
next necessity; look for a reasonably
fine solder made for electronics use
and that has flux already in it. Solder is
soft alloy, that tends to oxidise when
heated. The flux inhibits the oxidis
ation process so keeping the solder
easy to handle and the joint clean.
Other than that, some fine sandpaper
to clean joints and a pair of wire cutters
will come in handy.
Soldering
Figure 1 shows the steps to solde
ring.
1. The pieces to be joined should be
clean and free of grease. Fine sand
paper or wire wool is ideal for
this. The pieces should then be
Figure 1 Steps in soldering
placed together in the required
configuration, and secured in posi
tion. Crocodile clips, pliers, mask
ing tape etc can all help here.
There are few things more frustrat
ing than to almost finish soldering
a joint only to have the pieces
spring apart.
2. Once the joint is ready, the solde
ring iron should be tinned. This
means that a small amount of
Figure 2 D y joint
Issue 28 19
PC Network Advisor
File: PO621.1
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