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Analog Voice ModulesPassport 4400 Hardware Installation Manual
6-12
FXS Interface Strapping
There are a total of six movable straps located on the FXS interface module, E1
through E6. These straps are reserved for factory use only. They must not be
altered by the user.
Figure 6-14. Location of Straps on the FXS Interface Module
S/N
E2
E1
E6
E5
E4
E3
Jumper out
Jumper in
(default)