PRACTICE
553-2201-182
Table 3-8
1000 Hz INSERTION LOSS FOR
CONNECilONS
BETWEEN.TWO
PORTS
+I
OF A DIGITAL TRUNK INTERFACE
(DTI)
TYPE OF
CONNECTION DIGITAL
PORT
(A)
NOMINAL
DIGITAL INSERTION LOSS
(d8)
PORT
(B)
-
DTI port’
(A)
DTI port
(B)
to DTI port
(B)
to DTI port
(A)
Trunk to
Trunk Tie Trunk Tie Trunk
0 0
Tie Trunk
CO/FX/WATS
6 0
Tie Trunk Toll WATS (Note
1) 0 0
CO/FX/WATS CO/FX/WATS
3
3
CO/FX/WATS
Toll WATS (Note
1) 0 6
Toll WATS (Note
1)
Toll WATS (Note
1) 0
0
Note 1:
Toll WATS is a trunk to a Toll (Class 4) office for WATS access.
Note 2: Insertion loss limits are nominal
loss
+0.2
dB.
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