4Links Diagnostic SpaceWire Interface DSI-RG408, User Manual

Page: 124 / 130

Diagnostic SpaceWire Interface
EtherSpaceLink family User Manual
20 . S t a tement of Vol a t i l i ty
4 L i n k s E t h e r S pac eL i n k fa m i l y p r o d u c t s d o not r et a i n a n y cap tu r e d d a t a af te r a un i t is p o w e r e d o ff . A ll
f
un
c
t
i
on
a
l
i
t
y is
vol
a
t
i
le
a
n
d is
lo
a d
e
d f r
om
a
memo
r y ca rd
.
R
emov
a
l o
f
t
h
e memo
r y ca rd a
n
d r
emov
a
l
o f p o w e r d elete s a ll f un c t i on a l i t y f r om t h e un i t.
Th
e onl
y
u
s
e
r - d
e
p
en
d a
nt v
a
lue
s
to
r
e
d af
te
r p
o
w
e
r - d
o
w
n
is
t
h
e
I
P
a ddr
e
ss
o
f
t
h
e un
i
t.
Th
e onl
y
non
-
vol a t i le c o d e i n t h e un i t is t ha t i n a n 8 - b i t m i c r o c ont r olle r wh i ch is u s e d to dri ve t h e f r ont -pa nel
dis p
l
ay a
n
d
to
r
e
-
boot t
h
e un
i
t
f r
om
a
v
a
l
id
memo
r y ca rd
.
20 .1. Remo vi n g a ll i nfo r m a t i on f r om a Un i t
Th
e
p
r o
c
e d u r e
f
o r r emov i n g
a
ll i n
f
o r m
a
t i on
a
n d
f
un
c
t i on
a
l i t
y f
r om
a
un i t is:
1 Us
e t
h
e
f r
ont
-pa
nel
s w i
t
ch
to
s
et t
h
e
I
P
a ddr
e
ss
to 0.0.0.0
2 R emove t h e memo r y ca rd
3 R
emove
p
o
w
e
r f r
om t
h
e un
i
t
N o u s e r - d e p en d a nt v a lue o r d a t a no w r e sid e s i n t h e un i t.
20 . 2 . S ecu ri ty Not i ce
Th
e
c
on
f ig
u
r a
t
i
on
f i
le
s s
to
r
e
d
on t
h
e memo
r y ca rd d
e
f i
ne t
h
e
f
un
c
t
i
on o
f
t
h
e un
i
t.
Th
e
s
e
a r
e en
c r yp
te
d
a
n d
ca
n be u s e d onl
y w
i t
h
t
h
e s
p
e
c
i
f
i
c
un i t t
h
e
y w
e r e
c
r e
a
te d
f
o r .
Th
e d
a
t
a
on t
h
e
ca
rd
ca
nnot be u s e d
to
c
on
f ig
u
r
e
a
n
y
ot
h
e
r
un
i
t.
2 1. P r o d uct L i m i t a t i ons a n d Fe a tu r es
2 1.1. Ethe r net
Th
e
TC
P/
I
P
pack
et
r
e
-
t
r a
n
s
m
issi
on t
i
meout
is s
et
a
t
a f i
xe
d p
e
ri
o
d
o
f 1 s
e
c
on
d
;
i
t
s h
oul
d
be
s
t
a
t
is
t
i ca
ll
y
d e ri ve d f r om t h e p e r f o r m a n c e o f t h e net w o r k . C on g e s t i on c ont r ol o f t h e E t h e r net pack et t r a n s m i t r a te
is
not
i
m
p
lemente
d
.
Th is is
not
a
n
iss
ue
i
n lo
ca
l
a r
e
a
net
w
o
r k s wh
e
r
e e
rr
o
rs a r
e (ve
r y
)
r a r
e
a
n
d
pack et s a r e ack no w le dg e d i n mu ch le ss t ha n one s e c on d ; p r oblem s m ay a ris e w i t h l a rg e non - lo ca l
net
w
o
r k s
.
2 1. 2 . S p a ce Wir e
A n event f l a g i n t h e t r a n s m i t s t r e a m t rigg e rs a wa ve f o r m cap tu r e be f o r e i t g et s to t h e c onne c to r p i n s ;
wa
ve
f
o
r
m
s s
o
cap
tu
r
e
d ha
ve t
h
e
ir
t
i
me
r
e
f
e
r
en
c
e
s
l
ig h
tl
y
o
ff s
et
f r
om t
h
e exte
r
n
a
l
app
e
a r a
n
c
e o
f
t
h
e
event.
4Links Limited
www.4Links.co.uk
support@4Links.co.uk
page 124 of 130
T +44 1908 642001; F +44 1908 363463
Milton Keynes MK3 6EB, UK
Suite EU2, Bletchley Park