Specifications

Broadband voice rehabilitation is based on the transmission equipment used up their own software and thick film technology .

Equipment characteristics

  high-density single board design can improve system reliability, ease of installation with commissioning, maintenance-free, stable performance characteristics;

  the provision of optical fiber transmission line I E-3, E-6 error detection alarms for the construction of the quality of personnel to provide instruction on the line for line maintenance;

  equipment can provide 4 E1 interface, user-friendly interface and expanded to other video transmission, etc.;

  telephone equipment 32 interfaces, using the traditional PSTN Mandarin sound, not compression, good voice quality; can provide Caller ID function;

  two-way devices serial interface, which can be accessed for two-way data interface RS232/485/422, 115.2K following adaptive interface;

  2 Road 100M Ethernet interfaces to provide wire-speed bandwidth. And the interface can provide 10M / half-duplex,

 10M / full-duplex, 100M / half-duplex, 100M / full-duplex, optional adaptive to support VLAN

 Agreement, at the same time 2-way Ethernet interface based on user needs to set up VLAN isolation;

 for point-to-point, to support the FXO, FXS way. Solve the customer's telephone transmission edge issues;

  1U high device support structure of 19-inch, single density, reducing the space occupied by the engine room

 

 

Power Supply Part

   The use of high-quality power supply, allowing a wide range of voltage fluctuation, anti-interference ability, isolation, and work stability.

   Input voltage AC 220V / DC-48V

   Voltage fluctuation 165VAC ~ 265VAC or-36VDC ~-72VDC

   Power consumption <50W (not the same as the number of configured voice power change)

 

Mechanical Parameters

   Overall dimension: 430mm × W 44mm × deep 203mm high

 Optical Interface Specification

 

Optical Wavelength: 850,1310,1550 nm average optional LED power: ≥-8dBm (single-mode, 1310)

   ≥-18dBm (multi-mode, 850)

   ≥-25dBm (multi-mode, 1310)

   Optical port types: FC / SC optional; single mode / multi-mode optional; Single / dual-fiber optional

 

E1 Interface Specification

   Interface electrical properties: in line with the ITU-T G.703 standard interface transfer properties: in line with the ITU-TG.823 standard interface jitter characteristics: in line with the ITU-T G.823 standards-based line code: HDB3

   Interface impedance: 75Ω/120Ω interface types: Q9 (75Ω)

 Ethernet Interface Specification

 

Speed Ethernet interface: 10M/100M adaptive, 10M half-duplex, 10M full-duplex, 100M half-duplex, 100M full-duplex options

   IEEE 802.3-compliant Ethernet interface protocol, transmission speed: 100M

 

 Serial Interface (RS232/RS485/RS422) data interface

   Transfer rate: ≤ 115.2kbps following adaptive transmission mode: asynchronous mode

   Interface type: RJ45