8 channel voice over fiber PCM multiplexer

Utility  

This end to end fiber transmitting equipment which is intended on big level included circuit realizes 1-4E1 circuit,1 channel 10/100M Ethernet,1-8 channel voice phone and 1-4 channel RS232.Its qualities comprise complete warning function high integration, low consumption, stable concert and convenient usage.For this device.

Structure of Multiplexer

Features

1. provides 1-4channel E1/G.703;

2. provides 1 channel 100M (liner) Ethernet ports

3. provides 1-8 channel voice port,E&M 4wire;

4. provides 1-4 channel RS232,rates upports 300-115200 bps;

5. Ethernet port 10/100M,full/half duplex auto-adaptable and supports VLAN;

6. Ethernet ports upports AUTO-MDIX (twisted cable and straight cable auto-adaptable);

7. 1-8 channel voice connection supports calling indication;

8. Configuration:point to point;

9. Optical interface supports SC/FC interface

Optical interface

Optical wave span solitary mode 1310nm/1550nm

Fiber single fiber or twice fiber for option

Transmitting consumption 9dBm/-5dBm

Transmission range 0-120Km for option Optical interface SC/FC

Receiving and dispatching module >-6dBm

Optical receiver receiving sensitivity <-36dBm(BER<10^-11)

Fiber circuit code NRZcode

FXS Telephone Port
Ring voltage  75V
Ring frequency 25HZ
2 line input impedance 600Ω (hanging off)
Wastage  40db

FXO Exchange Port
Ring detecting voltage 35V
Ring detecting frequency 17HZ-60HZ
2 line input impedance  600Ω (hanging off)
Wastage 40db

 

2/4 wire E&M interface card  
Channel quantity per card 2 
Standard referred to ITU-TRECG.714
Transmit relative level +3,0, -3dBr adjustable
Receive relative level +3,0, +3dBr adjustable
Signaling mode E&M
Interface impedance 600Ω
Subscriber physical connector  RJ45

E1 interface  

Standard conforms to G.703 standard Line

Speed 2.048MHz±50PPM

Code HDB3

Impedance 75Ω unbalanced

Connector BNC 75Ω

Vibration characteristic satisfies G.742 and G.823 standard

10/100Base-Tport  

Rate 10M/100M full/half duplex auto-adaptable

Protocol supportsIEEE802.3, IEEE802.1Q(VLAN)

MAC address can learn 4096 MAC address

Physical interface RJ45,supports AUTO-MDIX(twisted cable and straight cable auto-adaptable)

RS232port  

Rate 300-115.2Kbps auto-adaptable (Asynchronous)

Interface characteristic SatisfiesITU-TV.24standard

Connector RJ45

Physical Dimension

Desktop 483(width)*138(depth)*44(height)mm

Operation Condition  

Voltage AC180V~260V DC–48V;DC+24V

Consumption ≤5W

Operating temperature 0°C~50°C

Storing temperature -40°C~+70°C

Relative humidity 95%