Delta Electronics GE-PON ONU Transceiver OPEP-33-A4K1R - Manual (Page 5)

OPEP-33-A4K1R
DELTA ELECTRONICS, INC.
5 Revision: S0
06/01/2007
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
No Other
VccT > 3.1V
High
Yes Laser bias and modulation signal output
X = Don’t care
Other = Less than +7.5dBm (peak)
High = Logic high level, Low = logic low level
No = Data NOT Present, Yes = Data Present,
OFF = Optical Power is less than –45dBm
BiasCNT
Optical Output
Within 15% of steady state
Ton Toff
Data Input
L
H
BiasCNT
Interval of BiasCNT Signal
BiasCNT Enable Duration