Nortel Networks 4450 Network Card User Manual


 
IntroductionPassport 4400 Hardware Installation Manual
1-4
T1/E1 and Digital Voice Modules
T1/E1 and Digital Voice Modules are installed in the slots above the Ethernet
Base Module (slots B, C, D, E). They consist of the following modules:
T1 Voice Module
TVM/1, Single Port - NTAY99AA
TVM/2, Dual Port - NTAY14AA
E1 Voice Module
EVM/1, Single Port - NTAY15AA
EVM/2, Dual Port - NTAY16AA
Digital Voice Module (DVM) - NTAU60AA
Ordering six modules - NTBQ54AA
Ordering twelve modules - NTBQ55AA
Digital Voice Expansion Module (DVEM) - NTAY18AA
ISDN BRI Voice Module (IVM/2) - NTAU76BA (for use in the Passport
4430 and 4450 only)
One Digital Voice Module (DVM) must be inserted in the TVM or EVM for each
digital voice channel required. To provide full T1 or E1 support, the Digital Voice
Expansion Modules (DVEM) provides additional slots for DVMs as required.
Refer to Chapter 5, T1, E1, and Digital Voice Modules, for more detailed
information concerning these modules.
Analog Voice Modules
Analog Voice Modules are installed in the slots above the Ethernet Base Module
(slots B, C, D, E). They consist of the following modules:
Analog Voice Module
AVM/1, Single Channel - NTAU61AA
AVM/2, Dual Channel - NTAU62AA
Universal Analog Voice Module (UAVM/2) - NTAU50AA
Voice/Fax Switch Module - NTAU52AA
Up to four analog voice modules (AVMs or UAVMs) are supported on the
Passport 4450 and 4455, for a maximum of eight analog voice ports. Up to two
analog voice modules are supported on the Passport 4430, for a maximum of
four analog voice ports.
The AVM and UAVM modules support the following interface modules:
Foreign Exchange Station (FXS) - NTAY12AA
Foreign Exchange Office (FXO) - NTLN23AA
Ear and Mouth (E&M) - NTAY09AA