Polycom DOC2237A manual IP and IP+ Network Interface Module Architecture, Rtp

Models: DOC2237A

1 170
Download 170 pages 8.96 Kb
Page 110
Image 110

Chapter 4 - Hardware Description

IP and IP+ Network Interface Module Architecture

The IP and IP+ Network Interface Modules have the same general card structure as other MGC modules: Card-Manager, TDM interface, and the functional units.

Figure 4-18 shows the architecture for the IP and IP+ Network Interface Modules.

 

TDM Interface

 

 

 

 

RTP

 

 

 

 

 

 

 

 

Memory

System

CPU

FPGA

 

 

 

controller

 

 

 

 

System

CPU

PCI

UART

 

 

controller

FLASH

Stack Controller

 

Memory

 

 

Backbone

LEDs

 

 

 

 

 

 

UART

 

 

 

 

 

 

 

 

 

FLASH

 

 

 

10/100

 

LEDs

 

 

 

 

 

 

 

LAN Controller

 

 

x3

 

 

 

 

 

 

 

 

Front Panel

 

 

 

 

 

LEDs

 

Card

 

 

 

Watch

 

 

Memory

 

 

Manager

 

 

 

 

 

 

Dog

 

 

 

 

 

HDLC Interface

 

 

 

 

 

 

 

 

 

 

I/O

Figure 4-19: IP and IP+ Network Interface Module architecture

The IP and IP+ modules are accompanied with a LAN-I/O card. The LAN Ethernet 10/100BaseT is connected via the I/O card at the back of the MCU.

4-38

Page 110
Image 110
Polycom DOC2237A manual IP and IP+ Network Interface Module Architecture, Rtp