Delta GPON ONU Transceiver OPGP-34-A4B3RA, Техническое описание, Страница: 3 / 8

OPGP-34-A4B3RA
DELTA ELECTRONICS, INC.
3 Revision: S2
12/26/2006
www.deltaww.com
Note (3). Transmitter eye mask definition
4. Specification of Receiver
Parameter Symbol Min. Typ. Max. Unit Note
Input Optical Wavelength
λ
IN
1480 1500 nm APD
Receiver Sensitivity P
IN
-28
dBm Note (1)
Input Saturation Power (Overload) P
SAT
-8 dBm
Signal Detect- Assert Power P
A
-28 dBm
Signal Detect- Deassert Power P
D
-38 dBm Note (2)
Signal Detect- Hysteresis P
A
-P
D
0.5 2 4 dB
Consecutive Identical Bit Immunity 72 bits
Optical Crosstalk from Internal Laser Xopt -47 dB
Polarization Dependent Loss 0.5 dB
Tolerance to reflected optical power 10 dB
Receiver Reflectance -20 dB Note (3)
Output Data Rise/Fall time t
r
/t
f
150 ps Note (4)
Optical Isolation of Receiver 40 dB
Note (1). Measured with 1490nm, ER=10dB; BER =<10
-10
@PRBS=2
23
-1 NRZ without FEC
Note (2). When Signal Detect Deasserted, the data output is Low-level (fixed)
Note (3). When the terminal is viewed from the optical path, the reflection toward the optical path of the
optical signal with a central wavelength of 1480nm to 1500nm transmitted to terminal.
Note (4). These are 20%~80% values
Upstream Bit rate (Mbps) 1244.16Mbit/s
x1/x4 0.22/0.78
x2/x3 0.40/0.60
y1/y4 0.17/0.83
y2/y3 0.20/0.80