Technical Manual

EX7100 Technical Manual - Configuring the Terminal
©1999 Exicom Technologies (1996) Ltd 3-23 Issue 3 - August 2001
Notes:
1) System Reference Level is a fixed level 6dB below the audio clipping point within the EX7100 DSP process.
2) The Tx Audio Level adjustment adds gain or loss to the desired nominal input level to achieve the System Reference Level.
3) The Rx Audio Level adjustment adds gain or loss to the System Reference Level to achieve the desired nominal output level.
4)
Important: The EX7100 system requires a minimum of 3dB loss across the Link to ensure hybrid stability.
Audio Noise Floor
Audio clipping
6dB Headroom
-15dBm
+3dBm
EX7100 Link System
Line Input
e.g. 0dBm
Line output
e.g. -3dBm
System Reference Level
Tx Audio Level
(Max)
Tx Audio Level
(Min)
Rx Audio Level
(Max)
+3dBm
-15dBm
Rx Audio Level
(Min)
Exchange/Subscriber Subscriber/Exchange
EX7100 Audio Line Levels