M I L - E - 4158 E (
U
SAF )
AME
ND
ME
N
T 3
31
D
e c e
m
be r 1985
Supe r s ed i ng
AME
ND
ME
N
T “ ?
12 Ju l y 1977
M I L I TA
R
Y SPEC I F I CAT I
ON
ELECT
R
ON
I C E
QU
I PME
N
T ,
G
R
OUND
;
G
E
N
E
R
AL SPEC I F I CAT I
ON
, F
O
R
●Th i s a
m
end
m
en t f o r
m
s a p a r t o f M I L - E - 4158E (
U
SAF ) , da t ed
11
January 1973 and is
app r ov ed f o r us e w i t h i n t he
D
epa r t
m
en t o f
t he A i r F o r c e a nd i s a v a i l ab l e f o r us e by a l l
D
epa r t
m
en t s and
Agenc i e s o f t h e
D
epa r t
m
en t o f
D
e f ens e .
PA
G
E 1
*T i t l e :
D
e l e t e and subs t i t u t e as p r i n t e d abov e .
PA
G
E 2
2 . 1
U
nde r “STA
ND
A
R
D
S” :
D
e l e t e “M I L -ST
D
- 891 ” i n i t s en t
965 Pa r t s Con t r o l P r og r a
m
” .
PA
G
E 4
r e t y and subs t i t u t e “M l L - ST
D
-
3 . 2 . 81 i ne s 4and5 :
D
e l e t e “ pub l i shed
m
i l i t a r y s t anda r ds i n t h e M I L -ST
D
- 188 - 100 , - 200
and - 300 s e r i e s . ”
and subs t i t u t e “ app l i c ab l e M I L - ST
D
- 188 - XXX s e r i e s o f s t anda r ds f o r
Long
H
au l Co
mm
un i c a t i ons and Ta c t i c a l Co
mm
un i c a t i ons T e chn i c a l S t anda r ds .
PA
G
E 5
3 . 2 . 12 . 2 : Add new pa r ag r aph as f o l l ows :
“ 3 . 2 . 12 . 2 . 1 L i gh t n i ng t r ans i en t s . A l l equ i p
m
en t s gene r a t i ng e l e c t r i c a l s i gna l s t ha t
a r e t o be e x ch a ng e d t h r ough any co r r r nun i c a t i onl i nk o r f o r any d i s t anc e ov e r l o c a l o r
l ong d i s t a n c e co
mm
un i c a t i on ne t wo r k s sha l l be p r o t e c t ed t o p r e v e n t e qu i p
m
en t da
m
age a s
a r e su l t o f t r an s i en t s t h a t
m
a y be conduc t ed i n t o t he equ i p
m
en t t h r ough powe r , con r nun i -
c a t i on / c on t r o l l i ne s by na t u r a l pheno
m
ena s u c h a s l i gh t n i ng .
T r an s i e n t p r o t e c t i on
sha l l p r o t e c t aga i ns t pu l s e s ha v i ng t h e f o l l ow i ng cha r a c t e r i s t i c s :
Pe a k Vo l t a q e Pu l s e
R
a t e
Pu l s e
W
i d t h
R
i s e T i
m
e
D
e c a y T i
m
e Ap r x En e r q y
1000
S i ng l e Pu l s e 1000 uSe c
10 ~Se c
1
O
( X I uSe c 33 j ou l e s
1000
100 per Sec
100 uSec
1 iEiec
100 uSec
3 . 3 j ou l e s
N
o t e :
Ma x i
m
u
m
us e sha l l be
m
ade o f “ no f au l t ” de v i c e s wh i ch shou l d shun t t r ans i en t s
t o g r ound w i t hou t c au s i ng f a i l u r e o f equ i p
m
en t o r t he p r o t e c t i v e de v i c e . Th e
de v i c e s h a l l be o f t h e au t o
m
a t i c r e c l o s u r e t y p e .
C i r c u i t de s i gn and p r o t e c t i v e
de v i c e s s h a l l b e se l e c t ed a s su
m
i ng a
m
a x i
m
u
m
25 oh
m
g r ound cond i t i on . ”
3 . 2 . 17 , l i ne 1 :
D
e l e t e “ and c a
m
s ” .
1 o f
AMSC :
N
/ A
D
I ST
R
I B
U
T I
ON
STATEME
N
T A . App r ov ed f o r pub ’
4
A
R
EA
GD
R
Q
i c r e l e a s e ; d i s t r i bu t i on i s un l i
m
i t ed .
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