Nanjing Photel Communication Technology Co., Ltd.

China Manufacturer with main products: PDH Equipment, PCM Equipment, SDH Equipment, PCM Multiplexer, SMTP SDH, TDM over IP

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PT-20 ETH HDSL Equipment

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Quick Details

  • Brand Name: PHOTEL
  • Model Number: PT-20

Specifications

Brief Introduction
      PT-20 ETH HDSL Equipment will execute the Ethernet signal transmission in the local cable or military twisted cable. It adopts G.SHDSL standard. G.SHDSL is one type of symmetrical, multi-rate DSL. It accords with ITU-T standard (G.991.2), and it is the ideal equipment to do the terminal to terminal solution. It has the advantages of rate-adjustment technology and grid coding pulse amplitude modulation (TC-PAM). G.SHDSL selects TC-PAM as its modulation technology, which is fully accepted by the customers because it can save copper cable and be based on multiple standards. Compared with 2B1Q SDSL, TC-PAM frequency spectrum is narrower, and crosstalk interference will be less.

Main Features
* Adopting the new generation TC-PAM technology, which satisfies ITU G.992.1 international standards, its performance is better than that of 2B1Q coding, the circuit enjoys high integration, small size, low power consumption, and high reliability;
* Transmitting cable: twisted pair cable;
* Long transmitting distance, when the transmitting speed is 2048kbps, the transmission distance can reach 3.5km in 0.4mm cable;
* Communication mode: duplex, echo canceling;
* Easy to install and use, and also has the functions of parameters setting and management for remote equipment;
* Power supply: 220VAC.

Equipment Models
   Model                Access type 
PT-20 E1             E1 interface
PT-20 ETH          ETH interface 

Technical Specification
* ETH port conforms to IEEE 802.3 related recommendations, supports 10/100M self-adaptive, half/full duplex self-adaptive;
* NMS port is RS232 port;
* Power consumption: less than 10W;
* Working temperature: -10℃ to 50℃, humidity≤90% (non-condensation); 

* Dimensions: 440 mm(L)×140 mm(W)×44 mm(H).


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