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Channel Bank
U
B
2-Wire Loop
T-Carrier
R
1
T/R Pair
T
E
Figure 2. IDSL/DDS Circuit Diagram
Features
2
Customer Premises
4-Wire Customer
Interface
IDSL OCU-R
DSU/CSU
61220010L2-5, Issue 3
2. OPTIONS
Table 1. Options
S
w
t i
h c
O
N
e s
e l
t c
t s
S
C
9 1
, 2 .
9
, 6 .
4
, 8 .
4 6
O
N
s
l e
c e
s t
6
O
N
s
l e
c e
s t
5
6 5
s
l e
c e
s t
5
k 6
s
O
N
s
l e
c e
s t
1
9 1
2 .
s
l e
c e
s t
1
. 9
k 2
O
N
s
l e
c e
s t
. 9
9
6 .
s
l e
c e
s t
. 9
k 6
O
N
s
l e
c e
s t
. 4
4
8 .
s
l e
c e
s t
. 4
k 8
O
N
s
l e
c e
s t
. 2
2
4 .
s
l e
c e
s t
. 2
k 4
S
W
6 5
O
N
s
l e
c e
s t
S
O
N
r
d e
c u
s e
-
0 1
d
B
a
p p
o r
i x
m
a
e t
Q
M
O
N
e
a n
l b
s e
O
N
s
l e
c e
s t
e
E
C
v
l a
d i
o f
r r
t a
O
N
l a
o l
w
s
n u
o l
p o
a b
k c
; s
u
a l
c t
i h
g n
l
o o
L
L
E
N
O
F
F
w
h
e l i
n i
P
L
B
e f
t a
r u
; e
e
a n
l b
d e
n i
h t
Customer Interface Transmit Line Build Out
D
e
c s
i r
t p
o i
n
e h
S
c e
n o
a d
y r
C
a h
n n
l e
f i
5
r o
2
4 .
a
e r
e s
e l
t c
d e
k 4
c
e l
r a
c
a h
n n
l e
a d
a t
k 6
a d
a t
n a
, d
f i
S
C
=
O
, N
c e
n o
a d
y r
c
a h
n n
l e
a d
a t
. 9
k 2
a d
a t
n a
, d
f i
S
C
=
O
, N
s
c e
n o
a d
y r
c
a h
n n
l e
a d
a t
k 6
a d
a t
a r
e t
n a
, d
f i
S
C
=
s
c e
n o
a d
y r
c
a h
n n
l e
a d
a t
k 8
a d
a t
a r
e t
n a
, d
f i
S
C
=
s
c e
n o
a d
y r
c
a h
n n
l e
a d
a t
k 4
a d
a t
a r
e t
n a
, d
f i
S
C
=
s
c e
n o
a d
y r
c
a h
n n
l e
a d
a t
w
t i
h c
d e
6 5
p o
r e
i t a
n o
D
D
S
t
a r
s n
m
t i
i s
n g
l a
y b
y l
0 1
d
B
u q
i l a
y t
m
o
i n
o t
i r
g n
r r
r o
c
r o
e r
i t c
n o
m
d o
. e
O
n
y l
s e
f o
1
. 9
k 2
r o
o l
w
r e
t i
o t
r
s e
o p
d n
o t
a l
c t
i h
g n
i n
a t
w l
a
s y
e r
p s
n o
s d
o t
o n
- n
b p
c a
s k
6
k 4
a d
a t
m
o
e d
w
l l i
n e
b a
a l
c t
i h
g n
l
o o
b p
c a
s k
a
e r
a
w l
s i
m
o
e d
61220010L2-5C
, 6
O
, N
O
, N
O
, N
e l
a
s y
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