OPT-155Bxxxx
155Mbps 1x9 SC Duplex Optical Transceiver Module for
Fast Ethernet, ATM, SONET/SDH STM-1/OC-3
Features：
Full Compliance with the Optical Performance
Requirements of the ATM 100Mbps and 100
Base-LX Version of IEEE 802.3u.
Industry Standard 1x9 Footprint and Duplex
SC Connector Interface.
Single 5V（OPT-155B1xxx）or 3.3V
（OPT-155B2xxx）Power
Supply.
PECL Differential Inputs and Outputs.
PECL Receiver Signal Detect Indicator.
RoHS Compliant per Directive 2002/95/EC.
Wave Solder and Aqueous Wash Process
Compatible.
Description：
The OPT-155Bxxxx series are 1x9 optical
transceiver modules designed expressly for
high-speed communication applications that require
rates of up to 155Mbps. They are all compliant with
the SONET/SDH standards.
The OPT-155Bxxxx transceivers are supplied in
industry standard 1x9 SIP package style with
duplex SC connector.
The OPT-155Bxxxx also includes a Signal-Detect
circuit that provides PECL logic output state.
The OPT-155Bxxxx transceivers are Class-1 eye
safety products and effective distance depends on
ITU-T G.957 standard or power penalty.
The transmitter sections utilize 1310nm Edge
Emitting InGaAsP Laser Diode. This Laser Diode is
packaged in the optical subassembly portion of the
transmitter section. A custom silicon IC that
converts differential PECL logical signals into an
analog LD driving current then drive it.
The receiver sections utilize InGaAs PIN
photodiodes coupled into a custom silicon
transimpedance preamplifier IC. These are
packaged in the optical subassembly portion of
receiver.
These PIN / Preamplifier combinations are coupled
into a custom quantizer IC which provides the final
pulse shaping for the logic output and the Signal
Detect function. The data output is differential. The
signal detect output is single-ended.
Application：
Single-mode Fiber Backbone Links.
Fast Ethernet and ATM Compatible.
Single-mode Fiber Media Converter.
DELTA ELECTRONICS, INC.
http://www.deltaww.com
1
Nov., 2006
Rev.：0G
OPT-155Bxxxx
Absolute Maximum Ratings
Parameter
Storage Temperature
Lead Soldering Temperature
Lead Soldering Time
Supply Voltage
Symbol
Ts
T
SOLD
t
SOLD
V
CC
Min.
-40
Typ.
Max.
85
260
10
6
Unit
ºC
ºC
Sec.
V
Note
0
Recommended Operating Conditions
Parameter
Data Rate
Ambient Operating Temperature
Supply Voltage
OPT-155B1xxxx
OPT-155B2xxxx
Note: See ordering information for detail
Symbol
T
A
V
CC
Min.
100
0
4.75
3.15
Typ.
155.52
Max.
200
70
5.25
3.45
Unit
Mbps
ºC
V
Note
1
5
3.3
Electrical Characteristics
Parameter
Transmitter
Transmitter Data Input Voltage-Low
Transmitter Data Input Voltage-High
Receiver
Data Output Voltage-Low
Data Output Voltage-High
SD Output Voltage-Low
SD Output Voltage-High
Symbol
V
IL
-V
CC
V
IH
-V
CC
V
OL
-V
CC
V
OH
-V
CC
V
SDH
-V
CC
V
SDL
-V
CC
Min.
-1.81
-1.16
-1.95
-1.045
-1.95
-1.045
Typ.
Max.
-1.48
-0.88
-1.62
-0.74
-1.62
-0.74
Unit
V
V
V
V
V
V
Note
Optical Characteristics
（Data
Rate = 155.52Mbps, PRBS=2
23
-1, NRZ, 9/125um SMF）
Parameter
Symbol
Min.
Typ.
Max.
Transmitter
Supply Current
Icc
165
Mean Launch Power
-20
-15
OPT-155BxHxxx
-15
-8
OPT-155BxJxxx
P
O
-8
-5
OPT-155BxLxxx
-5
0
OPT-155BxMxxx
Optical Extinction Ratio
OPT-155BxHxxx
OPT-155BxJxxx
OPT-155BxLxxx
OPT-155BxMxxx
Center Wavelength
Spectral Width (RMS)
OPT-155BxHxxx
OPT-155BxJxxx
OPT-155BxLxxx
OPT-155BxMxxx
Output Eye Diagram
Receiver
Supply Current
Icc
8.2
8.2
8.2
10
1360
7.7
7.7
7.7
3
Unit
mA
Note
dBm
E.R.
dB
λ
C
1270
1310
nm
σ
nm
Compliant with ITU-T recommendation G.957
145
mA
DELTA ELECTRONICS, INC.
http://www.deltaww.com
2
Nov., 2006
Rev.：0G
OPT-155Bxxxx
Sensitivity
-31
OPT-155BxHxxx
-31
dBm
1
P
IN
OPT-155BxJxxx
-31
OPT-155BxLxxx
-34
OPT-155BxMxxx
Overload
Pol
-8
dBm
Signal Detect-Asserted
OPT-155BxHxxx
-31
OPT-155BxJxxx
P
A
-31
dBm
OPT-155BxLxxx
-31
OPT-155BxMxxx
-34
Signal Detect-DeAsserted
P
D
-45
dBm
Signal Detect-Hysteresis
P
A
-P
D
0.5
dB
Notes:
1. The sensitivity is provided at a BER of 1×10
-10
or better with an input signal consisting of 155Mb/s, 2
23
-1 PRBS
and ER=9dB.
Mask of the eye diagram for the optical transmit signal
DELTA ELECTRONICS, INC.
http://www.deltaww.com
3
Nov., 2006
Rev.：0G
OPT-155Bxxxx
Pin Definition：
PIN
1
2
3
4
5
6
7
8
9
Symbol
GND
RD (+)
RD (-)
SD
VccR
VccT
TD (-)
TD (+)
GND
Functional description
Receiver Signal Ground
Receiver Data Out (LVPECL or PECL)
Receiver Data Out Bar (LVPECL or PECL)
Receiver Signal Detect (LVPECL、PECL)
Receiver Power Supply
Transmitter Power Supply
Transmitter Data In Bar (LVPECL or PECL)
Transmitter Data In (LVPECL or PECL)
Transmitter Signal Ground
Pin Descriptions:
Pin 1 Receiver Signal Ground, GND
Directly connect these pins to the ground plane.
Pin 2 Receiver Data Out (LVPECL), RD (+)
PECL logic family. Output external biased and internal dc coupled.
Pin 3 Receiver Data Out Bar (LVPECL), RD (-)
PECL logic family. Output external biased and internal dc coupled.
Pin 4 Receiver Signal Detect (LVPECL), SD
PECL logic family. Normal Operation: Logic “1” Output.
Fault Condition: Logic”0” Output.
Pin 5 Receiver Power Supply, VccR
Provide +3.3V dc power supply.
Pin 6 Transmitter Power Supply, VccT
Provide +3.3V dc power supply.
Pin 7 Transmitter Data In Bar (LVPECL), TD (-)
Pin 7 Transmitter Data Input (LVPECL), TD (-).
Pin 8 Transmitter Data In (LVPECL), TD (+)
Pin 8 Transmitter Data Input Bar (LVPECL), TD (+).
Pin 9 Transmitter Signal Ground, GND
Directly connect these pins to the ground plane.
DELTA ELECTRONICS, INC.
http://www.deltaww.com
4
Nov., 2006
Rev.：0G
OPT-155Bxxxx
Recommend Circuit Schematic for Internal DC Coupled Transceivers
RX-VCC
TX-VCC
C3
C5
R1
R3
TX-GND
RX-GND
9
8
7
6
5
4
3
2
1
R9
R5
R7
TD+
TD-
RD+
RD-
TX-VCC
RX-VCC
R2
R4
R10
R6
R8
SD
Transceiver Top Niew
R1=R3=R5=R7=R9=130 Ohm (3.3V), 82 Ohm (5V)
VCC
R2=R4=R6=R8=R10=82 Ohm (3.3V), 130 Ohm (5V)
C3
L1
TX-VCC
C1
C1=C2=C3=C5=C6=0.1 uF
C4=10 uF
L1=L2=1 uH or ferrite inductor
C4
L2
RX-VCC
C2
DELTA ELECTRONICS, INC.
http://www.deltaww.com
5
Nov., 2006
Rev.：0G
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