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1U Modular PCM multiplexing system for Phone

Payment Terms: moneygram, T/T, WU
Supply Ability: 500 pairs per week
Place of Origin: Guangdong

Company Profile

Location: Guangzhou, Guangdong, China (Mainland)
Business Type: Manufacturer

Product Detail

Model No.: ZMUX-30T
Means of Transport: by international courier, Ocean, Air, Land
Production Capacity: 500 pairs per week
Packing: 2pcs in 1 paper box with protection bubble materials inside ,53.5X33X25.5cm
Delivery Date: 1-3 weeks after receiving the deposit
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Product Description

1. Summary
This product is a fundamental device for the digital communication system, which is also named PCM basic group device.

The device is used to multiplex the signals such as voice,data and images into a standard 2M link via various interface cards,realizing point-to-point transmission.
2. Functional Features
a) Provide max 30 channels of optional 2 wire subscribers interfaces of various types to facilitate the access of various services;
b) The phone interface supports caller ID display;
c) CCB payphone application with polarity reversal;
d) It provides 2M circuit for transmission directly;
e) Perfect indications of status are available to facilitate maintenance and management;
f) With small size, attractive appearance, and easy for installation and operation.

3. Working Conditions
Working Temperature: 0℃ ~ 40℃
Relative Humidity:  ≤ 90% (25℃)

4. Power Supply
Input Voltage: -48V
Acceptable dynamic Voltage: -36V ~ -72V
Input Current: < 1A

5. Subscriber Interface Modules (optional)
Ø FXO  
Ø FXS  
Ø 2 wire audio interface/2 wire E&M interface  
Ø V.21/v.22 interface
Ø Hot-line phone interface
Ø Magnet telephone interface  
                                         
NOTES: The above subscriber interface modules can be optional for installation based on actual needs of users.
This device provides max 30 slots for your optional subscriber modules.

6. Technical Parameters
G.703-E1 Interface
                                            
Confoms to the recommendation of ITU G.703/G.704;
Nominal Bit Rate: 2048kbit/s
Bit Rate Fault Tolerant: +102.4bit
E1 Line Code: HDB3
Impedance: 75Ω  or 120Ω
Subscriber Interface(FXS)
   
Impedance: 600Ω
Insertion Loss: -3±0.75dB
Frequency Characteristic: 300~3400Hz(-0.6~+3dB)
weighted noise: ≤63.7dBmop
Crosstalk Attenuation: ≥65dB
Loop Impedance: ≤1800Ω
Subscriber interface(FXO)          

Impedance: 600Ω
Insertion Loss: -3±0.75dB
Frequency Characteristic: 300~3400Hz(-0.6~+3dB)
Weighted Noise: ≤63.7dBmop
Crosstalk Attenuation: ≥65dB
Loop Impedance: ≤1800Ω
V.24/RS232 Interface

Data and clock level conform to the recommendation of V.28
Synchronous Data Rate: 64Kbps
Asynchronous Data Rate : 0~19200bps
2 wire Audio interface                               

Coding Mode: ITU-T G.711A
Frequency Range: 300~3400Hz
2 wire Input Relative Level: 0~ -5dBr
Output Relative Level: -2~ -7dBr
4 wire Input Relative Level: -14dBr
Output Relative Level: +4dBr
V.35
Interface type: V.35 synchronous
Rate: Nx64Kb/s(N =1~30)
Clock: DCE
Ethernet Interface
Compatible with IEEE802.3
Local Area Network Interface Rate: 10/100Base_T
Wide Area Network Interface Rate: 10Mb/s
Supports simplex mode, duplex mode , full duplex mode &
tranparent mode
Others
19 inch 1U EIA chassis
LED indicates the working status of the system
Input Voltage: -48V DC
Full Capacity Static Power: <10W
Ambient Temperature: ≤50℃
Relative Humidity: ≤90%RH
7. Scope of Applications
This device is suitable for applications with E1 link for telecommunications end point stations or point to point transmission in different lines that only need telephone services.

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