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342-86400-445PS
Issue
4.0
October
2006
Page
40
Copyright
GE Multilin Inc. 2002
Input Level (dBm0)
S/D Min. End-to-End (dB)
0 to -30
33
-40 27
-45 22
Table 9:
End-to-End Signal to Total Distortion
Return Loss
Return Loss values for the 86445-31 2W FXS unit are provided below.
Echo Return Loss:
28 dB min.
Singing Return Loss:
20 dB min.
Longitudinal Balance
Longitudinal Balance values for the 86445 2W FXS unit for methods as per IEEE
Std. 455-1976 and PUB 43801 are given in the table below.
Frequency (Hz)
PUB 43801
Min. 20log(El/Em) dB
IEEE Std.
Min. 20log (VS/Vm) dB
200 66 58
500 - 58
1000 60 58
3000 58 53
Table 10:
Longitudinal Balance Values
Crosstalk
The allowable Crosstalk value for the 86445-31 unit is
>
65 dB (C-message) for
0 dBm0 test tone in 200 to 3400 Hz range.
Relative Transhybrid Loss
Relative Transhybrid Loss values for the 86445-31 2W FXS unit are.
Echo:
Min. 34 dB
Singing:
Min. 20 dB