Overview

DH2000J Central protocol converter & optical fiber Modem equipment(digital protocol converter,optical transmitter) is a high-tech and qualified product that was invented by our company.It may mixes together many kinds of protocol conversion equipment and optical fiber Modem inserts in the identical machine frame  This equipment for inserts the card type structure,Provides 15 trough positions as well as 2 power source trough position;  suitable following model the equipment or the expansion card:DH2000k\DH2010K\DH2010AK\DH30V\DH1040K.DH2000J Provides the ethernet way network management, And provides the special-purpose software,

Key features

    1      Using massive integrated chipset, and the circuit is simple, stable and reliable;

    2      The system provides the function formidable network management function and the

            support program promotion;

    3      Provides most 15 service trough position,Also the support mixes inserts;

    4      This equipment support many kinds of inserts the card,And uses the identical network

            management software to carry on the management;

    5      The equipment provides 1 network management monitoring card,Uses in the network

            management;

    6      The network management selects the ether method,manages is simple, is convenient;

    7      19 Inchs standard engine case,high 3U;

    8      Each adaptive card indicating lamp all demonstrates on the front panel;

    9      Connection line connection on back board,had like this guaranteed inserts pulls out

            when the adapter board does not affect the connection segment;

    10    Adapts many kinds of power source environment - 48V/DC or 220/AC,Also supports

            the double power source serve as each other's backup;

Specifications

Optical interface

Transmitting optical power: 8dBm 15dBm;   

Reception sensitivity: Better than 36dBm

Optical interface: SC and FC types are available

 Applicable fiber optic: Single-mode 1310nm and multi-mode fiber optic are available;

Optical path code type: 1B1H;

Optical module: Can be selected between single-mode fiber and dual-mode fiber;

Transmission distance: Normally 40Km (up to 120Km);

E1 Interface

Nominal rate: 2048Kbit/s±50ppm;

Interface type code: HDB₃;

Interface impedance: 75Ω (non-balanced) or 120Ω (balanced);

Jitter transfer characteristics: In compliance with ITU-T Recommendation G.823;

Allowable deviation of input Jitter: In compliance with ITU-T Recommendation G.823;

Output Jitter: In compliance with ITU-T Recommendation G.823;

2048Kbit/s digital interface has physical and electrical characteristics fully in compliance with ITU-TG.703 recommendations

Voltage level: ±2.37V±10%;

Interface connector: DB37, supplied with DB37-BNC connector cable;

100M Ethernet interface

Interface: 10/100Base-Tx;

Interface rules: In compliance with IEEE-802.3u standard;

Interface rate: wire speed 100Mbit/s;

Port mode: 10/100Mbit/s self-adaptive;

Interface Type: RJ-45;

Network management interface

Interface: 10Base-T;

Interface protocol: In compliance with IEEE-802.3 standard;

Interface Type: RJ-45;

Protocol: TCP/IP

Nominal rate: N×64Kbit/s (N=131);

The interface electrical performance complies with V.35/V.11;

Interface Type: DB25 female socket (supplied with DB25 to M34 connector cable);

Operating mode: DCE;

Interface rate: Asynchronous rate ≤19200bit/s (e.g. 9.6K, 19.2K);

Interface voltage level: RS232 voltage level;

Operating mode: DCE;

Voltage:    AC 220V  AC 180V240V;

                  DC-48V  DC -36V-72V;

Consumption: per card≤5W;

Full-load consumption: ≤100W;

Operating temperature: 0 50;

Storage temperature: -40 +70;

Relative humidity: 5% ~ 95% (no condensation);

Atmospheric pressure: 86 ~ 106Kpa;

19-inch standard chassis: 483×350×135 mm