ZyXEL Communications Multi-service Access Platform MSAP2000 - Manual (Page 239)

11. System Parameter Specification
MSAP2000 Technical Manual V3.0 11-10
Parameters FXO-P (COT) FXS-P (RT)
Net Loss 20
±75 dB
End-to-End Return
Loss 300 ~ 600 Hz: > 12 dB
600 ~ 3400 Hz
: > 15 dB
Longitudinal
Conversion Loss 300 Hz ~ 600 Hz: > 40 dB
600 Hz ~2400 Hz: > 46 dB
2400 Hz ~3400 Hz: > 41 dB
Attenuation/Frequency
Distortion Please refer to Figure 11-A
Group Delay Distortion
with Frequency Please refer to Figure 11-B
Idle Channel Noise < - 65 dBm0p
Signal-to-total
Distortion Ratio Please refer to
Figure 11-C
Gain Variation of Input
Signal Level Please refer to Figure 11-D
Inter-channel Crosstalk < -65dBm0
(the Input Test Signal is 1020Hz, 0
dBm0)
Spurious In-band
Signals Less than –40 dBm0
Link Performance
(Table 11-D)
Spurious Out-band
Signals Less than –25 dBm0
Impulse Noise Less than 15 occurrences within 1
15-minute interval, at a threshold value
of 47 dBrnC0
V.34 Modem
Transmission
Performance When the input signal level is -10dBm,
the transmission speed is
31.2Kbit/s,
with the BER 10-7