产品名称:
HD-GP-OLT-20-C+
-
GPON OLT C+ SFP 1490/1310nm 20km Optical Transceiver HD-GP-OLT-20-C+
Product Features
n Support ITU-T G.984.2 GPON OLT C+ application
n Single fiber bi-directional data links with symmetric 2.488Gbps Tx and 1.244Gbps Rx
n 1490nm continuous-mode transmitter with DFB LD
n 1310nm burst-mode receiver with APD-TIA
n 2-wire interface for integrated digital diagnostic Monitoring
n Receiver RESET, Signal Detect, RSSI function indication (RESET, RX_SD, RSSI)
n SFP package with SC/UPC receptacle optical interface
n Single +3.3V power supply
n Operation case temperature -40~85°C for industrial and 0~70°C for commercial
n RoHS6 compliance
Operating Condition
Parameter
Unit
Min.
Typical
Max.
Storage Temperature
°C
-40
85
Operating Case Temp for C-temp
°C
0
70
Operating Case Temp for I-temp
°C
-40
85
Operating Relative Humidity
%
5
95
Power Supply Voltage
V
3.15
3.3
3.45
Supply Current
mA
600
Bit Rate for Tx
Gbps
2.488
Bit Rate for Rx
Gbps
1.244
Characteristics
All performance is specified at whole working temperature and conditions
Parameter
Unit
Min.
Typical
Max.
Transmitter
TX Central Wavelength
nm
1480
1490
1500
Spectral Width (-20dB)
nm
1
Side Mode Suppression Ratio (SMSR)
dB
30
Mean Launched Power
dBm
3
7
Mean Launched Power (TX Off)
dBm
-45
Extinction Ratio
dB
8.2
Optical Return Loss Tolerance
dB
-12
Transmitter and dispersion Penalty
dB
1
Transmitter
Compliant With ITU-T G.984.2
Mask(PRBS223-1@2.488G)
Receiver
Receive Wavelength
nm
1290
1310
1330
Sensitivity
(PRBS223-1@1.244G,ER=10,BER<10
dBm
-30
-10)
Overload
(PRBS223-1@1.244G,ER=10,BER<10
dBm
-12
-10)
Receiver Burst Mode Dynamic Range
dB
15
Damage Threshold for Receiver
dBm
5
SD Assert Level
dBm
-33
SD De-assert Level
dBm
-45
SD Hysteresis
dB
0.5
6
WDM Filter isolation to 1550nm
dB
38
WDM Filter isolation to 1650nm
dB
35
Electrical Interface Characteristics
Data Input Swing Differential/TX
mV
200
-
2000
Data Output Swing Differential/RX
mV
400
1600
Date Differential Impedance
Ω
90
100
110
LVTTL Output High
V
2.4
Vcc
LVTTL Output Low
V
0
0.4
LVTTL Input High
V
2.0
Vcc+0.3
LVTTL Input Low
V
0
0.8
Timing Characteristics
Guard Time (Tg)
ns
25.6
Reset Pulse Width (Tr)
ns
12.8
Reset Delay (Trd)
ns
12.8
Receiver Preamble Time (Tp)
ns
140
SD Assert Time (TSDA)
ns
100
SD De-assert Time (TSDD)
ns
12.8
RSSI Trigger Delay (Ttd)
ns
25
RSSI Trigger Pulse Width (Tw)
ns
500
Internal I2C Delay (Twait)
us
500
Timing Sequence for RSSI
Timing Sequence for Ranging Mode
Timing Sequence for Working Mode
Pin Definitions
Pin
Symbol
Level /
Description
No.
Logic
1
VeeT
Module Transmitter Ground
2
Tx_Fault
LVTTL-O
Module Transmitter Fault
3
Tx_DIS
LVTTL-I
Laser output is disabled when this pin is asserted
high or left unconnected
4
SDA
LVTTL-I
2-Wire Serial Interface Data Line
5
SCL
LVTTL-I/
2-Wire Serial Interface Clock
O
6
MOD_ABS
LVTTL-O
Module Absent, connected to ground in the
module
7
RX_Reset
LVTTL-I
Receiver RESET signal
8
RX_SD
LVTTL-O
Receiver Signal Detected Indication
9
RSSI_TRIG
LVTTL-I
Receiver RSSI Trigger signal
10
VeeR
Module Receiver Ground
11
VeeR
Module Receiver Ground
12
RD-
LVPECL-
Receiver Inverted Data Output
O
13
RD+
LVPECL-
Receiver Non-Inverted Data Output
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