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11. If terminating resistor adapters (TRAs) are required for your installation, do this step; otherwise,
do step 12 below.
If you are using the L3 or L4 adapter to connect the modules with the digital lines, plug
one end of the TRA into the jack on the data module marked LINE. Plug the
appropriately numbered loose end from the L3 or L4 adapter into the other end of the
TRA (Figure 44).
L3 or L4 Adapter
Terminating Resistor and The L3 or L4 Adaptor
Figure 44:
If you are using individual D8W telephone line cords to connect the modules with the
digital lines, plug one end of the TRA into the wall jack. Plug the D8W cord from the
other end of the TRA into the LINE jack on the appropriate data module (Figure 45).
To Wall
J a c k
Figure 45:
Terminating Resistor's Power Connections (Without an L3 or L4 Adaptor)
T R A
D8W Cord
T R A
CHAPTER 8: INSTALLING THE 7500
T o D a t a
M o d u l e
( D 8 W C o r d )
To Data
M o d u l e
(D8W Cord)
123
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