Fxs Card Specifications - Zhone IMACS 8000 User Manual

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FXS Card Specifications

12.6 FXS Card Specifications
FXS Cards (8000-FXS-8P 2-wire)
Number of Ports
Model FXS-8P
Physical Interface
Connector
Transmission Performance
Performance
Signaling Modes
Model 812X Signaling Modes
Termination Impedance
Model FXS-8P
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
12-20
8 ports
1 female 50-pin telco connector
Exceeds requirements of ITU-T Rec. G.713
Software selectable on a per port basis
Foreign Exchange Station (FXS)
Loop Start and Ground Start
Foreign Exchange Station - Defined Network (FXSDN)
Private Line Automatic Ringdown (PLAR)
Dial Pulse Originating (DPO)
600 Ohms with 2.16 µF
-10.0 dB to +5.0 dB in steps of 0.1 dB
-10.0 dB to +2.0 dB in steps of 0.1 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 Typical < -70 dBm0p or < 20 dBrnc0
Typical < -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
Nominal > 46 dB
Typical > 50 dB
within boundaries of ITU-T Rec. G.713 Figure 7
FXS Card
Overall
>33 dB
>27 dB
>22 dB
Model No.
Voice Cards