Nortel Networks 4400 Switch User Manual


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Analog Voice ModulesPassport 4400 Hardware Installation Manual
8-2
Figure 8-2. Rear View of Universal Analog Voice Module
Figure 8-3. Universal Analog Voice Module with Two Interface Modules Installed
Dual Channel Universal Analog Voice/Fax Module
FXS and FXO Interface Modules
E&M Interface Module
Interface Module
Back Panel
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