![Nortel Passport 4460 Скачать руководство пользователя страница 144](http://html1.mh-extra.com/html/nortel/passport-4460/passport-4460_hardware-reference-manual_1707141144.webp)
144 Appendix C Voice Module Specifications
205677-F Rev 00
E1 Voice Module
The following specifications pertain to the E1 Voice Module, dual port.
Analog Voice Modules
The following specifications are common to all E&M and FXS interface types:
Interfaces:
A single G.703/G.704
2.048 Mb/s digital interface
Connector:
RJ-48 (120 ohm interface)
An external balun is also provided to adapt to 75
ohm BNC connectivity
Number of DS0 Channels:
30 @ 64 kb/s
Interface Termination:
120 ohm termination
Receiver Sensitivity:
-34 dBm
DSP:
A single DSP is provided on the E1 voice module
for processing of multiple DS0 voice channels
Digital Voice Modules:
Up to four are optionally mounted on the E1 voice
module for additional DS0 voice channel
processing.
Содержание Passport 4460
Страница 10: ...10 205677 F Rev 00...
Страница 16: ...16 Contents 205677 F Rev 00...
Страница 40: ...40 Chapter 1 The Passport 4460 Unit 205677 F Rev 00...
Страница 80: ...80 Chapter 3 Expansion Modules 205677 F Rev 00...
Страница 94: ...94 Chapter 6 Cables 205677 F Rev 00...
Страница 128: ...128 Appendix A Indicators 205677 F Rev 00...
Страница 148: ...148 Appendix C Voice Module Specifications 205677 F Rev 00...
Страница 151: ......