User manual

Chapter 2: Card Installation
Status LED
Loopback
Mode LED
Port 1
PCI Connector
Echo
Cancellation
Module
Figure 5: TE122 Card with Echo Cancellation Module
Caution.
Only qualified service personnel should continue with
hardware installation and configuration of the TE120 Series
card. Non-qualified personnel should not attempt to perform
these functions themselves.
Digium, Inc. Page 24