Delta-electronics Downstream Intelligent GE-PON ONU Transceiver OPEP Manual de usuario descargar pdf (Pagina 5)

OPEP-33-A4Q1RI

DELTA ELECTRONICS, INC.

5 Revision: S3

12/20/2007

www.deltaww.com

6. Transmitter Burst Mode Timing Characteristics

Parameter Symbol Min. Typ. Max. Unit Note

BiasCNT Enable Duration 1 us

Interval of BiasCNT Signal 0.112 1000000 us

VccT BiasCNT Data Input Optical Output

VccT < 3.1V X X OFF

Low X OFF

Floating

Other

VccT > 3.1V

High

Present

Laser bias and modulation signal output

X = Don’t care

Other = Less than +7.5dBm (peak)

High = Logic high level, Low = logic low level

Floating = No Data Input, Present = Data Input,

OFF = Optical Power is less than –45dBm

BiasCNT

Optical Output

Within 15% of steady state

Ton Toff

Data Input

7. Digital Diagnostic Monitor Accuracy

Parameter Accuracy Unit Calibration Note

Transceiver Internal Temperature

± 3℃

℃

Internal

C=-20~+85℃

Power Supply Internal Voltage ± 3%

V Internal VCC=3.3V±5%

TX Bias Current ± 10%

mA Internal Specified by nominal bias value

TX Optical Power ± 3dB

dBm Internal Not support in burst ONU

RX Optical Power ± 3dB

dBm Internal -26 to -3dBm

Note. Temperature and Voltage is measured internal to the transceiver.

BiasCNT

Interval of BiasCNT Signal

BiasCNT Enable Duration

1 2 3 4 5 6 7 8 9 10 ... 13 14

OPEP-33-A4Q1RI 1
Coupled 7

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Delta-electronics Downstream Intelligent GE-PON ONU Transceiver OPEP Manual de usuario Pagina 5

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