E&M Port Specifications - Zhone IMA CS-200 System Reference Manual

Running Head
A.4.3 E&M port Specifications
E&M ports 4-Wire
Physical Interface 4-Wire
Number of Ports
Connectors
Transmission Performance
Performance
Signaling
Signaling Types
Signal Modes
VF Transmission Characteristics
Nominal Transmit TLP
Nominal Receive TLP
Termination Impedance
PCM Encoding
Attenuation Versus Frequency as per AT&T TR43801 - Relative to 1 kHz with 0 dBm0 input
Frequency
200 Hz
300 to 3000 Hz
3200 Hz
3400 Hz
Return Loss
4-wire
4W Return Loss (at 1 kHz)
Relative 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
Diagnostic Capabilities
A-6
4
4 RJ45 telco connector
Exceeds requirements of ITU-T G.712 (4-wire))
Switch selectable - all four ports are the same
Normal (toward user) and Trunk/Tandem (toward CO)
Software selectable per port
Transmit Only (to), Type I, II, IV and V.
Software selectable
-16.5 dB to +7.5 dB in steps of 0.1 dB
Software selectable
-16.3 dB to +7.5 dB in steps of 0.1 dB
with 2.16 f capacitor in series 600 Ohms
Software selectable
-law
A-law
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
Against 600 Ohms, in series with 2.6 f with additional 25 Ohms
resistor between the channel unit and the return loss measurement set.
1kHz 28dB min.
300 to 3000 Hz 23dB min.
>20dB Typ > 27dB
Against 600 Ohms, in series with 2.16 f termination.
< -65Bm0p. Typically < -70 dBm0p or < 20 dBrnc0 <20dBBrnc0
Typ < -75 dBm0 using 7 adjacent channels being distributed with a
signal of 0.0 dBm0.
Rcv or Xmt
>35 dB
>20 dB
>25dB
< 600 microseconds
within boundaries of ITU-T Rec. G.712 Figure 2
>46 dB Typ > 50 dB
within boundaries of ITU-T Rec. G.713 Figure 7 (2 wire)
within boundaries of ITU-T Rec. G.712 Figure 7 (4 wire)
Typical gain variation is within + 0.25 dB from +3 to -50 dBm0
Overall
>33.9 dB
>27.6 dB
>23 dB
System Standards and Specifications
Model No.