Mitel 3300 ICP Hardware User's Manual page 193

250 User System - Add 64 Compression Channels and Voice Mail Ports
250 user system (Release 3.0/3.1 chassis) upgrade to add support for 64 compression channels
and 30 voice mail ports requires a new Release 3.2 chassis.
Note: Retain your System ID Module and Hard Drive.
The 250 user, 64 compression channel upgrade package includes:
• One 300 MHz RTC
• One 300 MHz E2T
• One 64 Channel Echo Canceller
• One Dual FIM
• One DSP Module (21061/21161) for telecom support
Add the following modules:
• Two DSP Modules (21161) for 64 compression channels
• One DSP Module (21161) for 30 Voice Mail Ports
Note: You must purchase compression licenses. Refer to E2T Compression for
guidelines on meeting your compression requirements.
This provides:
• Four DSP devices (21061/21161) for telecom functions for up to 250 users
• Eight DSP devices (21161) for 64 channels of compression
• 30 Voice Mail Ports
• 64 Channels of Echo Cancellation
• 2 External FIM connections
• Four ASU connections (CIM ports)
The four external FIM connections are for providing connectivity for up to four Peripheral Units
or up to eight NSUs.
Note that there are two T1/E1 links per NSU.
To add 64 compression channels and additional voice mail ports to a 250 user system (Release
3.0/3.1 chassis):
The old Release 3.0/3.1 chassis:
1. Remove the cover.
2. Remove and keep the Sys ID Module.
3. Remove and keep the Hard Drive.
Release 3.3
Install Upgrades and FRUs
185