Fxs Port Specifications - Zhone IMA CS-200 System Reference Manual

A.4.2 FXS port Specifications
FXS ports IMACS-200-FXS
Number of Ports
IMACS-200-FXS
Physical Interface
Connector
Transmission Performance
Performance
Signaling Modes
Signaling Modes
Termination Impedance
IMACS-200-FXS
VF Transmission Characteristics
Nominal Transmit TLP
Nominal Receive TLP
PCM Encoding
Attenuation Versus Frequency Relative to 1 kHz with 0 dBm0 input
Frequency
200 Hz
300 to 3000 Hz
3200 Hz
3400 Hz
Return Loss (at 1 kHz)
Transhybrid Loss
Idle Channel Noise (rcv and xmt)
Interchannel Crosstalk
Total Distortion including Quantization (Signal to Distortion Ratio) Input Frequencies 1004-1020 Hz
Input Level
-30 to 0 dBm0
-40 dBm0
-45 dBm0
Absolute group delay
Group Delay Distortion vs. frequency
Longitudinal Balance
Variation of Gain with Input Level
System Standards and Specifications
4 ports
1 female 50-pin telco connector
Exceeds requirements of ITU-T Rec. G.713
Foreign Exchange Station (FXS) Loop Start and
Automatic Ringdown (
600 Ohms with 2.16 F
Defaults to +2.0 dB. Can be set from -6.5 dB to +9.0 dB
Defaults to -2.0 dB. Can be set from -9.0 dB to +3.0 dB
Software selectable on a per port basis
Transmit (A to D) Receive (D to A)
-0.25 to +3.0 dB -0.25 to +2.0 dB
-0.25 to +0.5 dB -0.25 to +0.5 dB
0.25 to +0.75 dB -0.25 to +0.75 dB
-0.25 to +1.5 dB -0.25 to +1.5 dB
>28 dB
34dB
< -65 dBm0p Typ < -70 dBmop or < 20 dBrnc0
Typ < -75 dBm0 using 7 adjacent channels being disturbed with a signal
of 0.0 dBm0
Rcv or Xmt
>35 dB
>29 dB
>25dB
< 750 microseconds
within boundaries of ITU-T Rec. G.713 Figure 2
Nom > 46 dB
Typ > 50 dB
within boundaries of ITU-T Rec. G.713 Figure 7
Private Line
PLAR)
Overall
>33 dB
>27 dB
>22 dB
A-5