Field Service Procedure – Replacement PCU Kit, ST88, ST94 & ST144
Page
11
of
22
Document No
137738 Rev A
Copyright © Sea Tel, Inc 2012 - The information contained in this document is proprietary to Sea
Tel, Inc. This document may not be reproduced or distributed in any form without prior written
consent of Sea Tel, Inc.
17.
400MHz
Modem
Fault
Diagnostic
Procedure:
17.1.
Query
the
ADE
and
BDE
modems:
1.
Issue
“<0000”
and
“>0000”
queries
to
the
ADE
and
BDE
modems
and
record
the
responses.
ADE
(>0000)______________
BDE
(<0000)______________
2.
Compare
your
recorded
responses
to
the
list
below
to
determine
which
modem
fault(s)
(if
any)
are
present.
3.
Use
the
appropriate
text
following
the
failure
table
for
a
list
of
possible
failures
attributed
to
the
failure
type
established.
17.2.
Tools
Suggested:
Laptop
or
PC
w/
an
available
comport
and
diagnostic
software
installed
ProgTerm
Ver.
1.35
or
Later
DacRemP
Ver.
0.20
or
Later
9
pin
Serial
cable
Straight
thru
(1
‐
1
Pin
out)
For
Serial
Based
Connections
CAT5
Cross
‐
over
cable
Required
for
IP
based
connections
(HTML,
DacRemP
IP)
Serial
Loopback
Connector
Build
a
Loop
Back
Test
Adapter
by
Shorting
Pin
1
to
Pin
8
and
Shorting
Pin
2
to
Pin
3
on
a
female
DB9(S)
connector.
SMA
“T”
splitter
or
N
type
“T”
splitter
Or
equivalent
cabling
Spectrum
Analyzer
Capable
of
handling
100KHz
up
to
3GHz
and
up
to
48VDC
Summary of Contents for ST144
Page 1: ......