1.25Gbps Burst Mode GEPON ONU
Small Form Factor BIDI Transceiver
Features
•
Compliant with IEEE 802.3ah
•
Burst mode transmitter
•
Continuous mode receiver
•
Industrial standard SFF 2 X 5 pin footprint
•
SC/ST/FC connector interface
•
Transmitter disable function
•
Receiver signal detect function
•
Single supply 3.3V
Specifications
Parameter
Transmitter
Data Rate (NRZ)
Optical Output Power (avg.)
(1) (2) (3)
Extinction Ratio
Optical Wavelength
Spectral Width
1310nm FP LD (RMS)
1310nm DFB LD (-20dB)
Side Mode Suppression Ratio
1310nm DFB LD
Output Rise Time (20-80%)
Output Fall Time (20-80%)
Burst Turn On Time
(8)
Burst Turn Off Time
(8)
Burst Enable Time
(8)
Burst Disable Time
(8)
Data Input
(6)
Tx Disable Input
Optical Output Power (avg.) of Tx Disable
Supply Voltage
Supply Current
Symbol
B
P
O
ER
λ
C
Δλ
Δλ
SMSR
t
r
t
f
t
burst-on
t
burst-off
t
burst-en
t
burst-dis
V
IL
V
IH
V
DIL
V
DIH
Min.
-
-3
6
1270
-
-
30
-
-
-
-
600
100
V
CC
-1.810
V
CC
-1.165
0
2
-
3.10
-
Typ.
1.25
-
-
1310
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3.3
-
Max.
-
+2
-
1360
2.5
1
-
0.26
0.26
64
64
-
-
V
CC
-1.475
V
CC
-0.88
0.8
V
CC
-45
3.50
110
Unit
Gb/s
dBm
dB
nm
nm
nm
dB
ns
ns
ns
ns
ns
ns
V
V
dBm
V
mA
P
Off
V
CC
I
CC
1
2009-02
1.25Gbps Burst Mode GEPON ONU
Small Form Factor BIDI Transceiver
Parameter
Receiver
Data Rate (NRZ)
Optical Input (avg.) Sensitivity
(1) (5)
Saturation
Optical Wavelength
Output Rise Time (20-80%)
Output Fall Time (20-80%)
Data Output
(6)
Symbol
B
P
IN
P
SAT
λ
t
r
t
f
V
OL
V
OH
P
A
P
D
P
HYS
V
CC
I
CC
Min.
-
-
-3
1100
-
-
V
CC
-1.840
V
CC
-1.045
-
-35
-
3.10
-
Typ.
-
-
0
-
-
-
-
-
-
-
2
3.3
-
Max.
1.3
-25
-
1600
0.4
0.4
V
CC
-1.62
V
CC
-0.88
-25
-
-
3.50
100
Unit
Gb/s
dBm
dBm
nm
ns
ns
V
dBm
dBm
dB
V
mA
Signal Detect Asserted (avg.)
Signal Detect Deasserted (avg.)
Hysteresis
Supply Voltage
Supply Current
Note:
(1) With 0.275 NA, 9/125μm fiber.
(2) Driven with a differential signal.
(3) Class 1 eye safe per FDA and IEC.
(4) Eye mask diagram is compliant to IEEE802.3ah Eye Diagram
(5) 2
7
-1 PRBS, BER= 10
-12
.
(6) Compatible with LVPECL logic levels.
(7) The transmitter output should not be viewed directly.
(8) Timing parameter define：
2
2009-02
1.25Gbps Burst Mode GEPON ONU
Small Form Factor BIDI Transceiver
Absolute Maximum Ratings
Parameter
Operating Temperature
Storage Temperature
Lead Soldering Limits
Supply Voltage
Min.
0
-40
-
-0.2
Max.
70
85
240/10
4
Unit
°C
°C
°C/sec
V
Ordering Information
T R
□□
R 4 9 - 3 - 3 - 2
□□□
3 N
□
1
Data Coupling & SD Output Level：
Tx
Rx
SD
Symbol
Coupling Coupling
G
DC
DC
PECL
H
DC
DC
TTL
I
DC
AC
PECL
J
DC
AC
TTL
Connector Type：
SC：SC Connector
FC：FC Connector
ST：ST Connector
Package Type：
P：Pigtail
R：Receptacle
Transmitter Wavelength / Laser Type：
13：1310nm (FP LD)
31：1310nm (DFB LD)
Part Number
Laser Type
Transmission
distance
≥10Km
≥20Km
Compliant to
IEEE 802.3ah
1000BASE-PX-ONU-A
1000BASE-PX-ONU-B
TR13R49-3-3-2□□□3N□1 1310nm, FP
TR31R49-3-3-2□□□3N□1 1310nm, DFB
3
2009-02
1.25Gbps Burst Mode GEPON ONU
Small Form Factor BIDI Transceiver
Outline Drawing
Pigtail 2x5 pins SFF
Receptacle 2x5 pins SFF
4
2009-02
1.25Gbps Burst Mode GEPON ONU
Small Form Factor BIDI Transceiver
Pinout Description
Pin No.
1
2
3
4
5
6
7
8
9
10
Symbol
V
EER
V
CCR
SD
RD-
RD+
V
CCT
V
EET
TDis
TD+
TD-
Description
Receiver Ground
Receiver Power Supply
Receiver Signal Detect
Receiver Data Out (Inverted)
Receiver Data Out
Transmitter Power Supply
Transmitter Ground
Input Logic Low Level to Switch Laser “ON”
Input Logic High Level to Switch Laser “OFF”
Transmitter Data in
Transmitter Data In (Inverted)
Application Notes
Recommended DC Coupling Interface Circuit：
2 X 5 SFF Transceiver
(DC Data Coupling)
Transmitter
Laser
Driver
(10) TD-
(6) VCCT
L1
VCC
C1
C3
C4
L2
C2
(3) SD
To upper level IC SD
(7) VEET
(8) VEET
(9) TD+
Z=50Ω
Z=50Ω
R2
TX Disable
SerDes IC
(DC Data Coupling)
R1
DATA OUT+
DATA OUT-
Receiver
(2) VCCR
Serializer/
Deserializer
VCC_SerDes
VCC
R3
R5
DATA IN-
PIN
Pre-
Amp.
Limiting
Amp.
(4) RD-
R9
C6
Z=50Ω
(5) RD+
R8
C5
R7
Z=50Ω
DATA IN+
R6
(1) VEER
R4
L1=L2=1μH or ferrite bead
C1=C2=C3=C5=C6=0.1μF
C4=10μF
R1, R2, R3, R4, R5, R6 depends on SerDes IC specification.
(Consult the SerDes IC application information)
R7=R8=270Ω
R9=510Ω
NOTE：
1. Transmission line characteristic impedance Z=50Ω.
2. R1, R2, R3, R4, R5, R6 as close to SerDes IC as possibl
3. R7, R8 as close to 2X5 Transceiver as possible.
Appointech, Inc.
6F-2, NO.192 Tung-Kuan Rd.,
Hsinchu, Taiwan, R.O.C.
TEL：886-3-573-8478
FAX：886-3-573-8441
E-mail：sales@appointech.com
http://www.appointech.com
US Office：
Versatek, Inc.
TEL：(714)630-5222
FAX：(714)630-5051
5
2009-02
嵌入式系统
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