User's Manual

Install Upgrades and FRUs
Release 3.3 193
• 30 Voice Mail Ports
• 128 channels of Echo Cancellation
• Four 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 to a 700 user system (Release 3.0/3.1 chassis):
1. Remove the cover.
2. Install the DSP Module (slot 3).
3. Replace the cover.
Note: Some controllers in release 3.0 had the DSP installed in Slot 6. This DSP should
be moved to Slot 8 before installing the compression DSP in Slot 3.