Opep-33-a4q1ri – Delta Electronics Downstream Intelligent GE-PON ONU Transceiver OPEP-33-A4Q1RI User Manual
Page 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
L
H
7. Digital Diagnostic Monitor Accuracy
Parameter
Accuracy
Unit
Calibration
Note
Transceiver Internal Temperature
± 3℃
℃
Internal
T
C
=-20~+85
℃
Power Supply Internal Voltage
± 3%
V Internal
V
CC
=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