
5-1
T1, E1, and Digital Voice Modules
5
This chapter describes the hardware features and physical descriptions of the
voice modules (digital) that provide the Passport 4400 unit (4430/4450/4455)
with T1 or E1 connectivity and digital/analog voice options. Included are the
following modules:
•
— The Single Port T1 Voice Module (TVM/1 - NTAU99AA) provides
connection to a single T1 line DS-1).
— The Dual Port T1 Voice Module (TVM/2 - NTAY14AA) provides
connections to two T1 lines (DSX-1 and DS-1).
•
— The Single Port E1 Voice Module (EVM/1 - NTAY15AA) provides
connections to a single E1 line (L1).
— The Dual Port E1 Voice Module (EVM/2 - NTAY16AA) provides
connections to two E1 lines (L1 and L2).
•
Digital Voice Expansion Module on page 5-10 (NTAY18AA), is an
expansion module that contains slots to support additional Digital Voice
Modules. To support a full T1 or E1 link, two Digital Voice Expansion
Modules in addition to the T1 Voice Module or E1 Voice Module are
required.
•
DVEM Power Harness on page 5-11 (NTAU32AA), provides additional
power to the Digital Voice Expansion Module.
•
Digital Voice Module on page 5-12 (NTAU60AA), is a SIMM card
(daughterboard) that is installed directly onto the T1 Voice Module, the
E1 Voice Module, or the Digital Voice Expansion Module. Each Digital
Voice Module supports one digital voice channel.
•
Removing and Installing Daughterboards is discussed on page 5-13
•
ISDN BRI Voice Module on page 5-14 ( IVM-BRI/ST/2- NTAU76CA), is
an expansion module providing the Passport 4400 unit with an ISDN
interface for connection to an ISDN PBX, ISDN phone, or other ISDN
protocol.
Refer to the following chapters for added information:
•
Chapter 8, Indicators
•
Chapter 11, Connecting a Workstation
•
Appendix A, Cable Diagrams
•
Appendix B, Agency and Telephone Company Requirements.
•
Appendix D, T1 Voice Module Cabling Requirements.
Summary of Contents for Passport 4430
Page 8: ...viii ...
Page 10: ...About this document Passport 4400 Hardware Installation Manual x ...
Page 16: ...Introduction Passport 4400 Hardware Installation Manual 1 6 ...
Page 24: ...Installing the Passport 4400 Passport 4400 Hardware Installation Manual 2 8 ...
Page 56: ...T1 E1 and Digital Voice Modules Passport 4400 Hardware Installation Manual 5 16 ...
Page 84: ...Interface Modules WAN Passport 4400 Hardware Installation Manual 7 8 ...
Page 106: ...General Installation Passport 4400 Hardware Installation Module 10 8 ...
Page 148: ...Regulatory and Telephone Company Requirements Passport4400 Hardware Installation Manual B 16 ...
Page 158: ...Specifications Passport 4400 Hardware Installation Manual 10 ...
Page 164: ...T1 Voice Module Cabling Requirements Passport 4400 Hardware Installation Manual D 6 ...
Page 168: ...PBX Interface Connection Diagrams Passport 4400 Hardware Installation Manual E 4 ...
Page 175: ......