Telephone Line Emulator User’s Manual
40-400-00020, Rev. M 26
Line Receive Attenuation
This value is the attenuation of the audio signal received at a port. Line Receive
Attenuation may be set from 4 dB to 60 dB in 1 dB increments. These settings only
affect signals received from other lines. They do not affect internally generated tones,
e.g., Call Progress signals or Audio Playback.
Loop Current
Loop current is the amount of current that the TLE will supply to a device when it is off-
hook. Each line is programmable and may be set from 10 mA to 70 mA in 1 mA
increments ±10%.
When loop current is set from 16 to 70 mA, the TLE will declare an off-hook at
approximately 12 mA. When loop current is set from 10 to 15 mA, the TLE will declare an
off-hook at approximately 8 mA.
Miscellaneous
Miscellaneous signals include Disconnect Treatment, Confirmation Tones, Rotary Dial
Only, Conference Type, Test Tones, Off-Hook Mode, Hunt Mode, Invalid Number
Response, and Network Delay.
Figure 16. Miscellaneous Screen
Disconnect Treatment
Disconnect Treatment is the audible signal that is heard by a party when the other parties
go on-hook. The options available include: Dial Tone, Busy, Reorder, Silence, and
Audio Message.
Confirmation Tones
Confirmation Tones are tones that are issued during access to the Programming Mode,
(accessed via ∗∗99## entry with a phone) when selecting a new Configuration, and
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