RJ-3G-TX2
Rugged RJ Size Fiber Optic Dual Transmitter
Features:
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Compliant to ARINC 818 1.0625Gb/s and 3.1875Gb/s rates
850 nm VCSEL dual laser transmitter
Class 1 Laser Int. Safety Std. IEC-825 compliant
Standard reach of 500 m on 50/125 and 250 m on 62.5/125 µm MMF
High power VCSEL option for additional 4 dB of link budget
1x10 connector option
Rugged LC connector housing including screw mounted OSAs
MIL STD 883 certified
-40 to +85 C operating temperature, wider options available
Option for RoHS compliant and lead free per Directive 2002/95/EC
Single +3.3V power supply
TX AC-Coupled
Low power dissipation
Conformal coated for harsh environment use
The RJ-3G-TX2 is ideal for harsh
environment connectivity because of its
low cost, availability, and wide operating
parameters
Commercial
Aerospace
Military
Tactical
Military
Aerospace
Industrial and
Oil & Gas
Absolute Maximum Ratings
Parameter
Maximum Supply Voltage
Storage Temperature
Case Operating Temperature
Relative Humidity
Selective Soldering Temperature
Hand Lead Soldering Temperature
Conformal Coating
Symbol
V CC
T sto
T OP
RH
Min.
-0.3
-55
-40
0
0.8
Max.
4.0
100
85
95
260
260
1.2
Unit
V
°C
°C
%
°C
°C
mil
Note
Based on conformal coating
10 seconds, leads only (2,3)
10 seconds, leads only (2,3)
See ruggedization notes
NOTES:
1) RJ transceivers may be water washed. The process must be followed by an 80°C bake for one hour to ensure the drying of any water inside
the shell.
2) Solder Posts do not transmit data and do not need a complete solder fill.
3) The components should not undergo Wave Soldering under any circumstances.
General Specifications
Parameter
Data Rate
944-00026-09
Symbol
BR
Page 1 of 6
Min.
Typ.
3.1875
©2016 | COTSWORKS, LLC
Max.
Unit
Gb/s
Notes
ARINC 818
749 Miner Road, Highland Heights, OH 44143
440.446.8800 | sales@ruggedfiberoptics.com
RJ-3G-TX2
Rugged RJ Size Fiber Optic Dual Transmitter
Electrical Specifications (T OP = -40 to 85oC, V CC = 3.135 to 3.465 Volts)
Parameter
Supply Voltage
Total Module Power Dissipation
Transmitter
Supply Current
Input differential impedance
Input Signal Amplitude
Transmit Disable Voltage
Transmit Enable Voltage
Symbol
V CC
P DISS
I CC
R in
V in
VD
V EN
Min.
3.135
Typ.
0.60
85
100
0.5
2.0
V EE
Max.
3.465
0.80
Unit
V
W
120
mA
Ω
V
V
V
2.4
V CC
0.8
Notes
AC Coupled Differential Input
LVTTL
LVTTL
Pin Configuration
PIN #
Symbol
Description
Logic/Protocol
1
TD1+
Transmitter 1 DATA In +
LVPECL
2
V EE1
Transmitter 1 Signal Ground
N/A
3
TD1-
Transmitter 1 DATA In -
LVPECL
4
V CC1
Transmitter 1 Power Supply
N/A
5
T DIS2
Transmit 2 Disable input
LVTTL
Logic 1 = Disable Optical Output
Logic 0 = Enable Optical Output
Internal 4.7K ohm pull-down (enable)
6
T DIS1
Transmit 1 Disable input
LVTTL
Logic 1 = Disable Optical Output
Logic 0 = Enable Optical Output
Internal 4.7K ohm pull-down (enable)
944-00026-09
Page 2 of 6
7
TD2+
Transmitter 2 DATA In +
LVPECL
8
V CC2
Transmitter 2 Power Supply
N/A
9
TD2-
Transmitter 2 DATA In -
LVPECL
10
V EE2
Transmitter 2 Signal Ground
N/A
©2016 | COTSWORKS, LLC
749 Miner Road, Highland Heights, OH 44143
440.446.8800 | sales@ruggedfiberoptics.com
RJ-3G-TX2
Rugged RJ Size Fiber Optic Dual Transmitter
Optical Characteristics (T OP = -40 to 85°C, V CC = 3.135 to 3.465 Volts)
Parameter
Symbol
Output Optical Power (Standard)
Output Optical Power (High Power)
Optical Wavelength
Spectral Width
Optical Rise/Fall Time
Relative Intensity Noise
Total Jitter Contribution (p-p)
P OUT
P OUT
λ
σ
t r /t f
RIN
TX∆TJ
Min.
Typ.
Transmitter
-9
-5
830
850
∆
Max.
Unit
Notes
-3
-1
860
.85
150
-117
85
dBm
dBm
nm
nm
ps
dB/Hz
ps
(1)
(1)
(3)
(4)
NOTES:
1)
Class 1 Laser Safety per FDA/CDRH, EN (IEC) 60825 used on 50/62.5 MMF
2)
Equivalent extinction ratio specification for Fibre Channel. Allows smaller ER at higher average power
3)
Unfiltered, 20-80%. For Fibre Channel data rates, complies with FC 1x and 2x eye mask when filtered
4)
If measured with TJ-free data input signal. In actual application, output TJ will be given by:
5)
FC-PI-2-10.0 conformance, PRBS 27-1 at 10-12
Equivalent Circuits
1.
Equivalent Input Circuit
Drawing shows entire RJ device and dotted line represents laser driver.
RJ-3G-TX2 is interally AC coupled.
944-00026-09
Page 3 of 6
©2016 | COTSWORKS, LLC
749 Miner Road, Highland Heights, OH 44143
440.446.8800 | sales@ruggedfiberoptics.com
RJ-3G-TX2
Rugged RJ Size Fiber Optic Dual Transmitter
PCB Design Guidelines
Panel Cutout
Minimum recommended pitch is 0.600”
944-00026-09
Page 4 of 6
©2016 | COTSWORKS, LLC
749 Miner Road, Highland Heights, OH 44143
440.446.8800 | sales@ruggedfiberoptics.com
RJ-3G-TX2
Rugged RJ Size Fiber Optic Dual Transmitter
Screw Post Mechanical Dimensions
Front View, dimensions in (inches [mm])
Side View, dimensions in (inches [mm])
Optional Solder Post and Optional EMI Shield Mechanical Dimensions
Front View, dimensions in (inches [mm])
Side View, dimensions in (inches [mm])
Mounting Hardware Guidelines
Notes:
1. An example illustrating a possible hardware combination to secure RJ-5G to host PCB
2. For further mounting hardware options and support contact COTSWORKS Application Engineering
3. When installing the RJ module
a.
install the washers and partially tighten the screws,
b.
solder the leads, and
c.
tighten the screws
944-00026-09
Page 5 of 6
©2016 | COTSWORKS, LLC
749 Miner Road, Highland Heights, OH 44143
440.446.8800 | sales@ruggedfiberoptics.com
RJ-3G-TX2
Rugged RJ Size Fiber Optic Dual Transmitter
Ruggedization Notes
•
Parylene C coating can be used for conformal coating with a 1.0 mil ± 0.2 mil thickness through a deposition process.
Parylene Type C has a 5600 VPM rating, withstands temperatures of 350°F, and is extremely resistant to oil/dirt, and object
impact.
Another option for conformal coating is Cytec Conathane® CE1155 is applied as a 1.5 mil film, which meets MIL-I-46058-C.
It has resistance to moisture and abrasion. It is clear with a UV additive and has a 3000 VPM rating.
This part can come in a pigtail fiber optic version.
Contact COTSWORKS for all MSDS and case composition.
An optional label or coating may be applied to prevent damage to the label during a chlorine wash.
•
•
•
•
Reference Information
1)
2)
3)
4)
5)
6)
IEEE Standard 802.3, 2002 Edition, 1000BASE-X. IEEE Standards Department, 2002
“Fibre Channel Draft Physical Interface Specification (FC-PI-2 Rev. 10.0)”. American National Standard for Information
Systems
Infiniband 1.2.1 specification, www.infinibandta.org
3.125 Gb/s XAUI specification, IEEE 802.3ae, section 47
ARINC 818 specification at 3.1875Gb/s, https://www.arinc818.com/
Directive 2002/95/EC of the European Council Parliament and of the Council, “on the restriction of the use of certain
hazardous substances in electrical and electronic equipment.” January 27, 2003
Regulatory Compliance
•
•
•
COTSWORKS transceivers are Class 1 Laser Products and comply with US FDA regulations.
These products are compliant with TÜV and CSA Class 1 eye safety requirements of EN (IEC) 60825 and the electrical safety
requirements of EN (IEC) 60950.
This part has an option for compliance with Directive 2002/95/EC covering restriction on certain hazardous substances
(RoHS). It invokes item 5 of the Annex which allows “Pb in the glass of cathode ray tubes, electronic components, and
fluorescent tubes.” This part may contain Pb for components such as lenses, windows, isolators, and other electronic
components
Warnings:
Handling Precautions: This device is susceptible to damage as a result of electrostatic discharge (ESD). A static free
environment is highly recommended.
Laser Safety: Radiation emitted by laser devices can be dangerous to human eyes. Avoid eye exposure to direct or indirect
radiation.
Ordering Information
RJ-3G-TX2
()
-xx-
x
-x-
x
-x-
x
RJ Form Factor
Output
Power
Connector
Ruggedized
Coating
Operating
Temp Range
EMI
Shield
RoHS
Level
Mounting
():
Non-coated
A:
-40 to 85°C
():
No Shield
():
Lvl 5
R:
Parylene
M:
-40 to 95°C
E:
Shield
6:
Lvl 6
3Gbps Max
Data Rate
Dual 850nm
Transmitters
():
-9 to -3 dBm
HP:
-1 to -5 dBm
LC
():
Imperial
U:
Metric
P:
Solder Posts
Example part number: RJ-3G-TX2HP-LC-R-M
[3G RJ Form Factor Dual Transmitter, 850nm, high-power option, dual LC connectors,
Parylene-coated, military operating temp. range]
944-00026-09
Page 6 of 6
©2016 | COTSWORKS, LLC
749 Miner Road, Highland Heights, OH 44143
440.446.8800 | sales@ruggedfiberoptics.com
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