
VccT | BiasCNT | Data Input | Optical Output | |
VccT < 3.1V  | X  | X  | OFF | |
VccT > 3.1V  | Low  | X  | OFF  | |
High  | No  | Other  | ||
  | ||||
  | 
  | 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 
BiasCNT
Data Input
Optical Output  | Within 15% of steady state  | 
  | 
  | Ton  | Toff  | 
H
L
7. Pin Description
Tx/Rx | Pin No. | I/O  | Pin Name | Description | 
  | 1  | 
  | VeeR  | Receiver Ground  | 
  | 2  | 
  | VccR  | +3.3V Receiver Power Supply  | 
Rx  | 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   | 
  | 5  | O  | RD(p)  | |
  | 6  | 
  | VccT  | +3.3V Transmitter Power Supply  | 
Tx  | 7  | 
  | VeeT  | Transmitter Ground  | 
8  | I  | BiasCNT  | Positive pulse which control the ONU burst mode operation  | |
  | 9  | I  | TD(p)  | |
  | 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
MS
Bottom View
MS
5  | Revision: S2  | 
  | 02/02/2007  | 
DELTA ELECTRONICS, INC.  | www.deltaww.com  |