11 Technical Appendix
11.8.22.4 Pulse templates
The following pulse templates are required by ANSI (T1-mode) and CCITT (E1-mode) for output signals in
telecom applications. The board LIU meets these recommendations.
T1 (T.403):
-2
53
-1
75
-1
49
-9
7
-7
8
0
97
14
9
17
5
22
0
29
8
39
5
49
9
60
3
75
2
Time in nanoseconds
0
0.05
-0.05
-0.26
-0.45
0.50
0.80
0.90
0.95
1.05
1.20
N
o
rm
al
iz
ed
a
m
pl
it
u
de
E1 (G.703):
269 nsec
244 nsec
194 nsec
219 nsec
488 nsec
Nominal pulse
0
-10
-20
20
50
80
90
100
110
120
P
er
ca
nt
ag
e
of
n
om
in
al
p
ea
k
vo
lt
ag
e
IMS - LANTIME M4000
Date: 27th May 2021
137
