YTD428_07 YAMAHA [YAMAHA CORPORATION], YTD428_07 Datasheet - Page 20

• Manufacturer Part Number: YTD428_07
• Description: IDSU ISDN DSU for Terminal Equipment
• Manufacturer: YAMAHA [YAMAHA CORPORATION]

5.4 AC Characteristics
(V
Note 1 With respect to using the Fixed timing
Note 2 With respect to using the Adaptive timing
Note 3 This value shows the difference between two terminals which are connected with bus system.
r T
e R
R
F
P
x T
P
x R
l a
a h
a h
e s i
n a
DD
i e c
T Reference Point Receive Characteristic (NT mode)
T l
a
e s
e s
i s
d n
m s
T
n g
e v
m i
D
D
m i
= 5.0
t i
s l a
x R
(farthest terminal)
f f i
f i
(closest terminal)
u P
e
a P
e
u P
r e f
r e i
Note 1 Indicates the terminal that is connected closest from the DSU. The signal from this terminal
Note 2 Indicates the terminal that is connected farthest from the DSU. The signal from this terminal
e s l
i s
a r
e s l
HTD/LTD
n e
HTD/LTD
n g
n e
m
Note 1
Note 2
W
e c
e c
s l a
W
t e
d i
5% V , T
HRD
LRD
HTD
LTD
b
d i
r e
b
h t
t e
t e
h t
e w
reaches the DSU the fastest.
reaches the DSU the slowest.
e w
n e
n e
op
y S
= -20 ~ 70 C, Load Capacity: C
t
t
t
t
m
P T
R
t
t
t
T
T
P
F P
P
P
R
R
R
H
W
W
b
D
D
l o
Figure 5.1 Timing At T Ref. Pt. Interface
C
N
o
N
N
N
d n
o
o
o
o
F
e t
e t
e t
e t
i t i
t
t
2
1
2
3
PH
RPW
n o
,
M
. 5
0 1
0 1
t
0 0
. n i
0 .
0 .
RPW
L
5
5
y T
t
2 .
2 .
L
TRD
8 0
8 0
. p
= 50 pF)
F
t
t
M
. 5
2 4
4 1
2
2
TPW
FD
0 3
0 6
a
0 4
0 .
0 .
0 .
. x
t
PR
Transmit data slot
L
U
t
TPW
s µ
s µ
s µ
s µ
s µ
n
s n
s n
s t i
t
PF
Receive data slot
2.0 V
0.8 V
2.0 V
0.8 V
2.4 V
0.4 V
2.4 V
0.4 V