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  • Based on self -copyright IC
  • independent intellectual property rights based integrated circuit;
  • provide two kinds of loopback functions: optical interface to remote loopback, local loopback or optical interface.
  • electrical interface uses 75Ω impedance, CMI coding;
  • rack device network management interface uses SNMP.
  • signal attenuation in the actual running of the cable, the cable length change is likely to cause problems are made strict balance and handling, to ensure the performance of the entire system.
  • optional AC 220V, DC -48V, DC + 24V, DC power without positive and negative points;
  • STM-1 Electrical Interface

Standard:           complies with G.703 standard

Rate:                    155.52Mbit / s

Pattern:               CMI code

Impedance:        75Ω

Connector:         BNC (75Ω)


  • STM-1 Fiber Interface

Rate:                     155.52Mbit / s

Wavelength:       1.31 / 1.55um

Power:                 -9dBm / -5dBm

Sensitivity:          Better than -36dBm

Distance:             0-120 km

Connectors:        FC / SC

  • 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)

MTBF:                           >100,000 hours




Functional Description

provides STM-1 (ATM) interface converter electrical interface to optical interfaces STM-1

Port Description

1* STM-1 Fiber interface; 1*STM-1 electrical interface


AC90V ~ 260V;DC –48V/+24V(Selectable); Power Consumption:≤5W


485(length) X 138(width) X45(height) mm(19inch 1U Type)


2.5Kg/Pcs(19inch 1U Type) ;


STM-1/OC3 fiber optical to electrical converter, various fiber types and distances available, single or dual power


STM-1 fiber to electric converter provides STM-1 (ATM) interface converter electrical interface to optical interfaces STM-1, complete signal transmission on SDH STM or 155M of SDH photoelectric conversion.

Interconnection SDH equipment is mainly used in ATM equipment or SDH interfaces or other terminal equipment interconnection have 155.520Mbit / s interface.

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