ZISA Technologies Corporation Limited
Main products:Fiber Mutiplexer,ADSL,GEPON,Interface Converter,PDH
Contact Us
  • Contact Person : Mr. Wan Can
  • Company Name : ZISA Technologies Corporation Limited
  • Tel : 0086-10-52885062
  • Fax : 0086-10-58235931
  • Address : Beijing,Beijing,E09,Building F,Kaixuancheng,No.170,Beiyuan Rd.,Chaoyang District,Beijing,China
  • Country/Region : China
  • Zip : 100101

STM-1 Electrical Converter

STM-1 Electrical Converter
Product Detailed
ZS-OEC is an interface converter for STM-1 electrical and optical interface conversion. It is designed for the SDH equipment coa

Fiber Transmission Series

ZS-OEC STM-1 Optical To Electrical Converter







Complete loop-back facility is supported for system diagnostic and commissioning. Compact casing and simple operation achieve the cost saving and investment protected.


High reliability, comply with ITU-T G.703 and G.957Single Fiber Bi-Directional is selectableState-of-the-art design, ensure normal working under different environment.Supports local and remote loop-back on electrical or optical interface for system diagnostic.Suitable for SDH and ATM 155.52 Mbps interface interconnection.Simple operation and maintenanceCompact design and low power consumption.

Interface units

l        Electrical interface board

l        Optical interface board




electrical interface

Electrical interface velocity    155520kbit/s (electrical STM-1, G.703, frame structure G.707)

Interface code type                                    Accord to the codes stipulated in G.703

Digital signal                                             Accord to G.707 and G.958

optical interface

Optical interface velocity      155520kbit/s (STM-1, G.957, frame structure G.707)

Interface code type                                    Accord to the codes stipulated in G.957

Digital signal                                             Accord to G.707 and G.958

Light source                                              LD

Output optical power         ≥ -9dBm

Receiver type                                            PINFET

Receiving sensitivity         ≤ -35dBm (BER ≤ 10-11)

Optical connector type                  FC/SC

Central wavelength              850/1310/1550 nm (depending on optical module)

Optional transmission distance       0~40km (40~120km, to be customized)

Power supply

Input voltage                         AC or DC-48V

Voltage fluctuation                 -36VDC ~ -72VDC

Power consumption 10~20W (it varies from different configuration of interface board)

Physical spec

Standalone type (19):

Dimensions                           440mm(W)×43.5mm(H)×227mm(D)

Weight                                  < 4.0 kg

Rack type                              EIA 19 rack

The complete appliance is able to work in a wide range of environmental temperature and operate normally and steadily in environmental extremes.

Working temperature                -5 ~ +40

Storing temperature                            -25 ~ +55

Relative humidity                                ≤ 85% (30)

Air pressure                                        70 ~ 106 kpa

No corrosive and solvent gas, and free from flying dust and magnetic-field interference.

STM-1 Electrical Converter

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