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3300 ICP Hardware User Guide
182 Release 3.3
• 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:
• One DSP Module (21161) for 32 compression channels
• One DSP Module (21161) for 30 voice mail ports
This provides:
• 4 DSP devices (21061/21161) for telecom functions for up to 250 users
• 4 DSP devices (21161) for 32 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 32 compression channels and additional voice mail ports to a 250 user system (Release
3.0/3.1 chassis):
1. Remove the cover.
2. Install the additional DSP Module (Slot 3).
3. Replace the cover.
Note: You must purchase compression licenses. Refer to E2T Compression for
guidelines on meeting your compression requirements.