Telephone extender of 30CH PCM MUX with Fiber link and E1 link

الوصف

Functional Features

1. Provides 8/*6/*0 lines FXO/FXS
2. Voice FXO / FXS access, support caller ID function
3. Supports reverse polarity billing functions;
4. Supports use of 2M circuit transmission directly.
5. Supports use of optical fiber transmission ;provides 1/2/4 port **0M Ethernet and E1 channel.
6. improved the status display function, easy maintenance and management;
7. small size, attractive appearance, easy installation;

1. Working Temperature：0℃～*0℃
2. Working Humidity：≤*0%（*5℃）

1. Input voltage: **8V
2. Allowable voltage swing:**6V～**2V
3. Input Current：＜1A

1. Interface bit rate：    ***8Kbps±*0ppm
2. Interface Code：      HDB3
3. E1 Impedance：  *5Ω/**0Ω
4. E1 connector：    BNC/RJ*5 
5. Allowed Attenuation : 0~6dBm 

1. Single mode transmitting power:*3dBm ~ *8dBm
2. Single mode receiver Sensitivity :**3dBm ~ **0dBm
3. Fiber connector：Dual port SC/Dual port FC/Single port SC optional
4. Fiber model: single mode fiber , double mode fiber

1. Two-line Impedance：**0Ω
2. Insert Loss:*3±0.*5dB
3. Frequency Characteristics:**0～***0Hz(*0.6～*3dB)
4. Weighted  Noise:≤*3.7dBmop
5. Crosstalk Attenuation: ≥*5dB
6. Loop Resistance:      ≤***0Ω

1.  Impedance：**0Ω***0Ω||0.1μF
2.  4 wire AD gain：*4dB（adj.）
3.  4 wire DA gain：*2dB（adj.）
4.  4 wire AD Frequency Characteristic:*0.2 - *0.2dB
5.  4 wire DA Frequency Characteristic:*0.2 - *0.2dB
6.  2 wire AD Frequency Characteristic:*0.2 - *0.2dB
7.  2 wire DA Frequency Characteristic:*0.2 - *0.2dB（adj.）
8.  Return Loss:    *0dB
9.  Balanced:*0dB
10.  Common-mode rejection ratio：*0dB
11.  Power rejection ratio：*0dB
12.  Idle channel noise：≥*5dB
13.  Loop Resistance:    **0Ω

1. Interface Type：V.*4 data asynchronously
2. Interface Rate：0–*9.2Kbps

1.   Interface Type：V.*5 data synchronously
2.   Interface Rate：     Nx*4Kb/s（N =1~*5）
3.   Connect clock mode：DCE

1.  Interface Type：*0/**0MBase-T
2.  Interface Rate：*0/**0Mbps
3.  Transfer Rate：Nx*4Kb/s（N = 1~*0）
4.  Protocol：       Link layer bridging

1.  Interface Type：*0/**0MBase-T
2.  Interface Rate：*0/**0Mbps
3.  Transfer Rate：**0Mbps