
Field Service Procedure – Replacement PCU Kit, ST88, ST94 & ST144
Page
18
of
22
Document No
137738 Rev A
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consent of Sea Tel, Inc.
5.
Now
disconnect
the
two
RG
‐
179
coax
cables
from
the
in
output
side
of
the
coax
switches
using
a
7/16”
wrench.
6.
Now
disconnect
the
four
RG
‐
60
coax
cables
from
the
input
side
of
the
coax
switches
using
a
7/16”
wrench,
noting
their
orientation.
7.
Using
a
5/16”
wrench
disconnect
the
two
SMA
cables
from
the
400MHz
modem
PCB.
8.
Disconnect
the
GPS
antennas
RJ
‐
45
connector
from
the
PCU.
9.
Using
a
pair
of
snips
cut
the
cable
tie
securing
the
RG
‐
179
coax
from
the
coax
switch
to
the
400MHz
modem
(inside
the
PCU).
Summary of Contents for ST144
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