High reputation Audio - Fiber-64Voice+4E1 Multiplexer JHA-PCO/S64E4F4C1 – JHA

Overview:

This series of equipment is developed by our company special vlsi PDH optical fiber transmission on the basis of the development of point-to-point optical transmission equipment. This product is a 19 inch 1 U rack installation, 64channel voice，4channel E1 interface, The application is very flexible. Have perfect alarm function, the machine work stable and reliable, low power consumption, high integration, small volume.

Features:

• Based on proprietary integrated circuit;
• 1U19-inch rack-mount;
• 1-60 channels of voice access, supports Caller ID and reverse polarity billing functions;
• Support Telephone Number mutual function of each site;
• FXO and FXS voice ports support port, FXO port and docking PBX, FXS port is connected to the user’s phone;
• E1 interface complies with G.703 recommends using digital clock recovery and smooth phase-locked technology;
• Can detect when the optical signal is lost for the end device powered down or fiber barrier, and through the LED indicates alarm;
• With this end in view job status display function remote device;
• Provide command remote loopback interface, easy to line maintenance;
• Unrepeated transmission distance of up to 2 to 120 km;
• Multiple power mode options: AC220V, DC-48V / DC24V, etc;
• DC-48V / DC24V power supply with automatic polarity detection function, when installed without distinction between positive and negative;
• Telephone interface with lightning protection, lightning reached IEC61000-4-5 Short circuit current wave 8 / 20μs,open-peak output voltage 6KV standards.

Parameters:

*Fiber

Multi-mode Fiber

50/125um, 62.5/125um,

Maximum transmission distance: 5Km @ 62.5 / 125um single mode fiber, attenuation (3dbm/km)

Wave Length: 820nm

Transmitting power: -12dBm (Min) ~-9dBm (Max)

Receiver sensitivity: -28dBm (Min)

Link budget: 16dBm

Single-mode Fiber

8/125um, 9/125um

Maximum transmission distance: 120Km

Transmission distance: 120Km @ 9 / 125um single mode fiber, attenuation (0.35dbm/km)

Wave Length: 1310nm

Transmitting power: 2dBm (Min) ~-1dBm (Max)

Receiver sensitivity: -32dBm (Min)

Link budget: 24dBm

*E1 Interface

  Interface Standard: comply with protocol G.703;
 Interface Rate:    n*64Kbps±50ppm;
 Interface Code: HDB3;

 E1 Impedance: 75Ω (unbalance), 120Ω (balance);

 Jitter tolerance: In accord with protocol G.742 and G.823

 Allowed Attenuation:     0~6dBm

*FXS Phone Interface

Ring voltage: 75V

Ring frequency: 25HZ

Two-line Impedance: 600 Ohm (pick up)

Return loss: 40 dB

* FXO Switch Interface

Ring detect voltage: 35V

Ring detection frequency:    17HZ-60HZ

Two-line Impedance: 600 Ohm (pick up)

Return loss: 40 dB

*EM 2/4 Line

AD: 0dB

DA:     -3.5dB

Two/Four-line Impedance:     600 Ohm

Return loss:  20 dB

*Working environment

Working temperature:     -10°C ~ 50°C

Working Humidity:     5%~95 % (no condensation)

Storage temperature: -40°C ~ 80°C

Storage Humidity:  5%~95 % (no condensation)

Specifications: