Delta Electronics GE-PON ONU Transceiver OPEP-33-A4Q1R - Manual (Page 5)

OPEP-33-A4Q1R
DELTA ELECTRONICS, INC.
5 Revision: S2
02/02/2007
www.deltaww.com
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 = No Data Input, Yes = Data Input,
OFF = Optical Power is less than –45dBm
BiasCNT
Optical Output
Within 15% of steady state
Ton Toff
Data Input
L
H
7. Pin Description
Tx/Rx Pin No. I/O Pin Name Description
1 VeeR Receiver Ground
2 VccR +3.3V Receiver Power Supply
3 O
SD Normal Optical Input indicated by logic “High”, and No Optical
Input indicated by logic “Low”. (LVTTL)
4 O RD(n) Inverted Receiver Data Output (AC-Coupled CML output)
Rx
5 O RD(p) Non-Inverted Receiver Data Output (AC-Coupled CML output)
6 VccT +3.3V Transmitter Power Supply
7 VeeT Transmitter Ground
8 I BiasCNT Positive pulse which control the ONU burst mode operation
9 I TD(p) Non-Inverted Transmitter Data Input
Tx
10 I TD(n) Inverted Transmitter Data Input
MS Mounting studs/ connect this pin to Chassis ground
Note (1). EMI shielding lead must be connected to Signal ground
Bottom View
MS
MS