1—2P2 PMC Carrier Board
2P2 PMC Carrier Board Solder Beads
1-17
Themis Computer
Use the following connector type to attach to the 2P2 PMC Audio ports:
•
Connector Type:
Industry-standard 1/8
″
Mini Stereo Jack
•
Connector Part Number:
ASTRON AT-JY3540-050B
Figure 1-8.
Dual Stereo Audio Connector
1.3
2P2 PMC Carrier Board Solder Beads
Solder beads are found only on
the bottom side
of the 2P2 PMC Carrier Board and
are described in
Table 1-9
.
In
Table 1-9
, if no pad number is given, only
2
solder pads exist. If there are
3
or
more
solder pads, the two pads listed are shorted together.
Short
means a solder
bead
is
installed, creating an electrical path between contacts.
Open
means a solder
bead
is not
installed, hence the path between the contacts is open.
Figure 1-9
on page 1-22, provides the location of the 2P2 PMC Carrier Board solder beads.
Remember that
pad 1
is indicated on the board by a
dot
and/or a
thick bar line
.
In Jack
Out Jack
Front View
Caution:
When dealing with a
3- or 4-pad
solder-bead switch, a solder bead will
short only one set of pads.
If a solder bead shorts more than 2 pads, call Themis Customer Support.
Caution:
It is important to make sure that a solder-bead configuration does not
result in an
unwanted change
of system operational parameters. READ ALL
SOLDER-BEAD CONFIGURATION DESCRIPTIONS CAREFULLY. (See
Table 1-9
on page 1-18.)
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