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TE 120 Series
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Ch
ap
ter 2
: Car
d I
nst
alla
t
ion
Statu
s L
ED
Ech
o
Cancellation
Modu
le
Loop
bac
k
Mode
LED
Port 1
Connector
PCI
Exp
ress
Figure
4: TE121 Car
d w
ith
Echo Cancellati
on Module
Digium,
Inc.
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