Audio+ Module Architecture; Audio+ Port Capacities - Polycom DOC2238A Hardware Installation Manual

Chapter 4 - Hardware Description
4-38

Audio+ Module Architecture

Audio+ represents a new family of audio cards. Audio+ has the same general
card architecture as other modules. This has an impact on the number of ports
supported by each card.
Audio
Audio
Module
Message
module
Front
Card
Panel
Manager
LEDs
Data
Module
Figure 4-22: Audio+ Module

Audio+ Port Capacities

The system's working mode affects its system capacity: Medium Band
(without Siren14) and Wide Band (with Siren14). The Medium and Wide
Band settings are defined in the system.cfg file.
For Medium Band, the flag is set to
AUDIO_PLUS_FREQUENCYBAND_MODE=MB.
For Wide Band, the flag is set to
AUDIO_PLUS_FREQUENCYBAND_MODE=WB.
TDM Interface
QIFI
FPGA
32 Mbit/s
Links
Audio
Codec
DSP
x 7
PCI
BUS
Memory
LAN
Memory
I/F
HDLC
I/F
32 Mbit/s
Link
Audio
Controller
Unit
DSP
Memory
PMC
I/F
PCI
BUS