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2
Installation
2.6
RS-232 Interface Connection
{Data Port)
T he front panel RS-232 data port is intended only for short
term connections to a personal computer. Use this interface
to perform initial setup or to read the ISGS relay data logs or
waveform buffers.
1
.
Remove the relay case front cover.
2.
Locate the RS-232 connector located on the front
panel of the cradle assembly.
3.
Connect the personal computer to the front panel
RS-232 port using a standard DB-9 serial port connec
tion cable (DB-9 male to DB-9 female or DB-25 female
dependi � g on the type of port). T his connection does
not requ1re the use of special adapters or a null-modem
cable.
2 .7
Re m ov in g an d In se rt in g th e
C ra dl e A ss em bl y
So m e of th e se tu p
m an ua l re qu ire re m ov
th e dr aw ou t ca se
. Us e th e
prop er rem oval and
in sertio n
IMP OR TAN T: T
he re la
Ele ctro stat ic disc
harg e
any o f its co mp
one nts mu
str ap s or tou
ch a gro u nd
the rel ay cra
dle.
2. 7.1
R e m o vin g th
Us e th e foll
ow in
�
p r oc ed ure
bly fro m the
ca s
·
8
an d m ain te na
ne e pr oc ed ur es In
al of th
e re a � cr
I
� dle ass embl y from
f
o
ll
o wlng In struc tion
s for the
0
f
t
h
e cra dle ass em
bly.
�
!
odui e co ntain s
C M OS cir cuits
i
�
�
o
aro un? the rela
y cra dle o
t
e av oid ed.
ed m etal sur fac
U se gro un din
e be for e ha n
e Cr
a dle A ss e m
b ly
s to r em o
ve th e cra dl
e as se m-
.
Remove the front cover.
1
2.
Remove the top and bottom connecting plugs.
Loosen the cradle assembly by pulling the top release
3.
lever to the left and the bottom release lever to the right
until the assembly ejects from the case.
Grasp the cradle assembly by the edges of the front
4.
p
panel and
ull it out of the drawout case.
Place the cradle assembly
5.
face and perform the desired work.
2. 7.2
Inserting the Cradle Assembly
procedures to reinsert the cradle assembly into
Use these
the drawout case.
1.
!ns ert
the cr � dle as se mb ly un til
In co nta ct
Wi th th e pr ot ru sio ns on
2.
Po sit ion th e to p an d
.
slots on the leve rs
.
th is
cas e.
3.
U se the rele ase
ass em bly into the
ass em bly fro nt
�
the ca se.
�
4.
In se rt th e top
d li n
5.
�h e ck for p
rop er in s
In stal lin g the
fro nt c
m e a su re d
v alu e s ar
on an anti-electrostatic sur
the rel ea se lev ers co me
the ca se .
1
bo tt
e eas e l
�� �
ev
r
s u ntil th e
�
align
h
e
pro trusi ons on th
fi .
�
.
lev ers t
o lnl sh Inse rtin
�
�
g th e cra dle
cas e
l
y
p res s ure to th
pa nel u
t
e ass emb ly
ful ly
an d
bot t o m
c on ne cti n
g p lu g s.
e
o f th e cr a
dle a s se m b
� ��
��
s; ei n g if th
e exp ect
s
e
on th e re lay
disp lay.
e
e cra dle
se ats in
l b
�
d Y
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