I N St Rument Co Nver Sio N; Rac Km Oun Ti Ng - Tektronix 5440 Instruction Manual

Operating Information-5440
T
h e 5440
P
ower Su pp ly/Amplifier module and the
display mo
d
ule can be fastened toget her stac ked or side
b
y si de; this permits operation as α be nch oscillosco pe, or
i n α standar
d
19-inc h rack. The two mo du les can
q
uickly
b
e converted from α benc h mo
d
el to α rackmo unt model,
or vice versa.
F
ield
co nversio n
kits,
i ncludi ng the
necessary parts, and instr uctio ns are available an d ca n be
installe
d
at α later time . See your Te ktronix Catalog or
contact you r Te ktro n ix fiel d
office .
I
N
ST
RU
M
EN
T CO
NVER
SIO
N
ΝΟΤΕ
B
efore attempting to operate
t
h
e i
n
strument, ma
k
e
sure
t
h
e mo
d
ule wiring interco
n
nections are correct.
R
ac k Dimensio ns
RAC
KM
O
UN
TI
N
G
T
he rackmo un t versio n of the 5400-series oscilloscope
is designed for operation i n α stan dard 19-inc h wide rac k
t
hat has
U
niversal, ΕΙΑ , RETMA, or
W
estern
E
lect ric
h
ole
s
p
acing. Wh en
p
ro
p
erly mou nted, th is i nstrument will
meet all electrical an d en viro n me ntal specificatio ns give n
i
n Sectio n 2.
M
ounting
M
et hod
T
his i nstrume nt will fit most 19-inc h wide racks whose
front and rear
h
oles conform to Un iversal
h
ole s pacin g,
some drilling may be required on rac ks having ΕΙΑ ,
RE T MA, or W estern E lectric
h
ole s
p
aci ng . The slide-out
trac ks easily mo un t to the cabi net rack fron t and rear
vertical mounti ng rails if the insi de distance betwee n
t
he
front and rear rails is with in 10-9/16 inches to 24-3/8
i nches . If the insi d e distan ce exceeds 24-3/8 i nches, some
means of su pp ort is required for the rear ends of the slide-
out trac ks. ( For exam p le, ma ke exte nsions fo r
t
h e rear
mounting brac k ets.)
as s h ow n
i
n F ig . 1-4 Β ,
t
h e dime nsion betwee n
t
h e front
rails s h ould be at least 17-3/4 i n c h es . T h ese dimensions
allow room on each si
d
e of th e instrume ntfor the slide-out
trac ks to o perate so the i nstrume nt ca n move freely in and
out of the rack.
Dept h.
F
or
p
roper circulation of cooling air, allow at
least two i n ches cleara n ce
b
ehi nd
t
he rear of t he instru-
me nt and any enclos ur e on th e rack. If it is sometimes
necessary or
d
esirable to operate the oscilloscope i n
t
he
fully exte n ded position,
u
se cables that are lo ng e noug h to
reac h from the signal source to the instrument .
I
nstalling The Sli
d
e-Out Trac ks
T
he sli
d
e-out trac ks for the instrume nt consist of two
assemblies, one for th e left side of the inst rument an
d o
ne
for the righ t side .
E
ac h assembly co nsists of three
sectio ns. Α statio nary sectio n attaches to the fro nt and
rear rails of the rac k , the chassis sectio n attaches to the
i nstrume nt
(a nd is i nstalle d at th e factory), and
t
he
interme
d iate section fits betwee n
t
he ot her two sections to
allow the instrume nt to fully extend out of the rack.
The small hardware components i ncluded with
t
he
slide-out trac k assemb lies are used to mo un t the trac ks to
moststan dard 19-i nch rack rails h aving th is com patibility .
ΝΟΤΕ
1. Front and r
ea
r
rail holes must be la
r
ge enoug
h
to
allow inserting α 10-32 sc rew t
hr
oug
h
t
h
e
r
ail
mounting hole if t
h
e r ails a
r
e untappe
d
(see Fig . 1-
4A).
2. O
r
, front and
r
ear rail holes must be ta
pp
e
d
to
accept a 10-32 screw if Fig. 1-48 mounting met
h
o
d
is
used . Note in Fig. 1-4Β
r
ig
h
t illust
r
ation t
h at α No . 10
was
h
e
r (not supplied) may be a
d
de
d
to provide
increased bearing su rface for t
h
e sli
d
e-out t
r
ac
k
stationary section fro
n
t flange .
H
eight. At least 5-1/4 inches of ve rtical space is
requ ired to mount th is instrument i n α rack. If ot her
B
ecause of the above com
p
atibility, there will
b
e some
i nstrume n ts are operated
i
n
t
h e rack, an additional 1/4
small parts left over . The stationary an d
i
ntermediate
inch is re qui red, bot h above an d below the oscilloscope, to
sections for both si des of the rack are shi
p
pe d as α
allow space for
p ro per circulatio n of cooling air. matc hed set and s hou ld
n ot be separated. The matc h ed
sets of both si des incl ud ing
h ardware are mar k ed 351-
0195-00 on the package. To identify th e assemblies,
n
ote
W
idth. Α stand ar
d 19-inc h wide rac k may
b
e used. The that the a
u
tomatic latc h an d intermed iate section stop is
dimensio n of openi ng betwee n
t
he front rails must
b
e at
located near t h e top of the matc hed set.
least 17-5/8 inches for a cabinet i n wh ic h
t
he front li p of the
statio n ary sectio n is mounted
b eh in d an u nta pp ed front
rail as shown in
F ig . 1-4Α. If t he front rails are ta pp ed, an d
M ou nting Procedure.
U se the following procedure to
the statio n ary sectio n is mounte d
i
n front of the fro nt rail m o un t both si des . See
F ig . 1-4 for i nstallation
d
etails .
REV. Α SEP 1978