Neuro-symbolic is not enough, we need neuro-*semantic*Frank van Harmelen
Neuro-symbolic (NeSy) AI is on the rise. However, simply machine learning on just any symbolic structure is not sufficient to really harvest the gains of NeSy. These will only be gained when the symbolic structures have an actual semantics. I give an operational definition of semantics as “predictable inference”.
All of this illustrated with link prediction over knowledge graphs, but the argument is general.
UiPath Test Automation using UiPath Test Suite series, part 4DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 4. In this session, we will cover Test Manager overview along with SAP heatmap.
The UiPath Test Manager overview with SAP heatmap webinar offers a concise yet comprehensive exploration of the role of a Test Manager within SAP environments, coupled with the utilization of heatmaps for effective testing strategies.
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What will you get from this session?
1. Insights into SAP testing best practices
2. Heatmap utilization for testing
3. Optimization of testing processes
4. Demo
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Execution from the test manager
Orchestrator execution result
Defect reporting
SAP heatmap example with demo
Speaker:
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
JMeter webinar - integration with InfluxDB and GrafanaRTTS
Watch this recorded webinar about real-time monitoring of application performance. See how to integrate Apache JMeter, the open-source leader in performance testing, with InfluxDB, the open-source time-series database, and Grafana, the open-source analytics and visualization application.
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Length: 30 minutes
Session Overview
-------------------------------------------
During this webinar, we will cover the following topics while demonstrating the integrations of JMeter, InfluxDB and Grafana:
- What out-of-the-box solutions are available for real-time monitoring JMeter tests?
- What are the benefits of integrating InfluxDB and Grafana into the load testing stack?
- Which features are provided by Grafana?
- Demonstration of InfluxDB and Grafana using a practice web application
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The latest edition of the OT/ICS and IoT security Threat Landscape Report 2024 also covers:
State of global ICS asset and network exposure
Sectoral targets and attacks as well as the cost of ransom
Global APT activity, AI usage, actor and tactic profiles, and implications
Rise in volumes of AI-powered cyberattacks
Major cyber events in 2024
Malware and malicious payload trends
Cyberattack types and targets
Vulnerability exploit attempts on CVEs
Attacks on counties – USA
Expansion of bot farms – how, where, and why
In-depth analysis of the cyber threat landscape across North America, South America, Europe, APAC, and the Middle East
Why are attacks on smart factories rising?
Cyber risk predictions
Axis of attacks – Europe
Systemic attacks in the Middle East
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1. SFP-2.5G-LH40-31-T02#151060
Guilin GLsun Science and Tech Group Co., LTD.
Tel: +86-773-3116006 info@glsun.com Web: www.glsun.com
- 1 -
2.5G 1310nm 40km SFP Transceiver
Specification Revision Record
Date Version Page Revision Description Prepare Approve
20210616 1.0
Michael
Su
All right reserved by Guilin GLsun Science and Tech Group Co., LTD. Without written permission,
any unit or individual can’t reproduce, copy or use it for any commercial purpose.
Product 2.5G 1310nm 40km SFP Transceiver
Model SFP-2.5G-LH40-31-T02
File No. SFP-2.5G-LH40-31-T02#151060
Version 1.0
Issuing Date 2019-12-19
2. SFP-2.5G-LH40-31-T02#151060
Guilin GLsun Science and Tech Group Co., LTD.
Tel: +86-773-3116006 info@glsun.com Web: www.glsun.com
- 2 -
Product Description
Glsun SFP-2.5G-LH40-31, SFP transceivers are high performance, cost effective modules supporting
dual data-rate of 2.5Gbps and 40km transmission distance with SMF. The transceiver consists of three
sections: a DFB laser transmitter, a APD photodiode integrated with a trans-impedance preamplifier
(TIA) and MCU control unit. All modules satisfy class I laser safety requirements.The transceivers are
compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please
refer to SFP MSA.
Product Feature
Supports bit rates up to 2.5Gbps
Duplex LC connector
Hot pluggable SFP footprint
1310nm DFB laser transmitter and APD photo-detector
Applicable for 40Km SMF connection
Low power consumption, < 1.0W
Digital Diagnostic Monitor Interface
Compliant with SFP MSA and SFF-8472
Very low EMI and excellent ESD protection
Operating case temperature:
Chimerical: 0 to 70 °C
Industrial: -40 to 85 °C
Applications
SDH STM-16 and SONET OC-48 system
2X Fiber Channel
Switch to Switch interface
Switched backplane applications
Router/Server interface
Other optical transmission systems
General Specifications
Parameter Symbol Min. Typ Max. Unit Note
Data Rate DR 2.5 Gb/s
Supply Voltage Vcc 3.13 3.3 3.47 V
Supply Current Icc5 300 mA
Operating Case Temp.
Tc 0 70
°C
TI -40 85
3. SFP-2.5G-LH40-31-T02#151060
Guilin GLsun Science and Tech Group Co., LTD.
Tel: +86-773-3116006 info@glsun.com Web: www.glsun.com
- 3 -
Absolute Maximum Ratings
Note: Stress in excess of the maximum absolute ratings can cause permanent damage to the
transceiver.
Functional Diagram
Electrical Characteristics (TOP(C) = 0 to 70 ℃, TOP(I) =-40 to 85 ℃,VCC = 3.13 to 3.47 V)
Notes:
1. TD+/- are internally AC coupled with 100Ω differential termination inside the module.
2. Tx Fault and Rx LOS are open collector outputs, which should be pulled up with 4.7k to 10kΩ
resistors on the host board. Pull up voltage between 2.0V and Vcc+0.3V.
3. RD+/- outputs are internally AC coupled, and should be terminated with 100Ω (differential) at
the user SERDES.
Parameter Symbol Min. Max. Unit Note
Supply Voltage Vcc -0.5 4.0 V
Storage Temperature TS -40 85 °C
Relative Humidity RH 0 85 %
Parameter Symbol Min. Typ Max. Unit Note
Transmitter
Differential data input swing VIN,PP 120 820 mVpp 1
Tx Disable Input-High VIH 2.0 Vcc+0.3 V
Tx Disable Input-Low VIL 0 0.8 V
Tx Fault Output-High VOH 2.0 Vcc+0.3 V 2
Tx Fault Output-Low VOL 0 0.5 V 2
Input differential impedance Rin 100 Ω
Receiver
Differential data output swing Vout,pp 300 650 800 mVpp 3
Rx LOS Output-High VROH 2.0 Vcc+0.3 V 2
Rx LOS Output-Low VROL 0 0.8 V 2
4. SFP-2.5G-LH40-31-T02#151060
Guilin GLsun Science and Tech Group Co., LTD.
Tel: +86-773-3116006 info@glsun.com Web: www.glsun.com
- 4 -
Optical Characteristics (TOP(C) = 0 to 70 ℃, TOP(I) =-40 to 85 ℃,VCC = 3.13 to 3.47 V)
Notes:
1. Measured at 2.5Gb/s with PRBS 2 223 – 1
NRZ test pattern.
2. Unfiltered, measured with a PRBS223 – 1
test pattern @2.5Gbps
3. Measured at 2.5Gb/s with PRBS 223 – 1
NRZ test pattern for BER < 1x10-12
Pin Descriptions
Parameter Symbol Min. Typ Max. Unit Note
Transmitter
Operating Wavelength λ 1270 1310 1360 nm
Ave. output power (Enabled) PAVE -2 3 dBm 1
Extinction Ratio ER 9 dB 1
Side mode Suppression Ratio SMSR 30 dB
RMS spectral width Δλ 0.65 nm
Rise/Fall time (20%~80%) Tr/Tf 0.26 ns 2
Dispersion penalty TDP 3.9 dB
Output Optical Eye Compliant with IEEE802.3 z (class 1 laser safety)
Receiver
Operating Wavelength λ 1270 1610 nm
Receiver Sensitivity PSEN1 -26 dBm 3
Overload PAVE -3 dBm 3
LOS Assert Pa -35 dBm
LOS De-assert Pd -27 dBm
LOS Hysteresis Pd-Pa 0.5 dB
5. SFP-2.5G-LH40-31-T02#151060
Guilin GLsun Science and Tech Group Co., LTD.
Tel: +86-773-3116006 info@glsun.com Web: www.glsun.com
- 5 -
Notes:
1. When high, this output indicates a laser fault of some kind. Low indicates normal operation. And
should be pulled up with a 4.7 – 10KΩ resistor on the host board.
2. TX disable is an input that is used to shut down the transmitter optical output. It is pulled up within
the module with a 4.7 – 10KΩ resistor. Its states are:
Low (0 – 0.8V): Transmitter on (>0.8, < 2.0V): Undefined
High (2.0V~Vcc+0.3V): Transmitter Disabled Open: Transmitter Disabled
3. Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7K – 10KΩ
resistor on the host board. The pull-up voltage shall be between 2.0V~Vcc+0.3V.
Mod-Def 0 has been grounded by the module to indicate that the module is present
Mod-Def 1 is the clock line of two wire serial interface for serial ID
Mod-Def 2 is the data line of two wire serial interface for serial ID
4. When high, this output indicates loss of signal (LOS). Low indicates normal operation.
5. RD+/-: These are the differential receiver outputs. They are AC coupled 100Ω differential lines
which should be terminated with 100Ω (differential) at the user SERDES. The AC coupling is done
inside the module and is thus not required on the host board.
6. TD+/-: These are the differential transmitter inputs. They are AC-coupled, differential lines with
100Ω differential termination inside the module. The AC coupling is done inside the module and is thus
not required on the host board.
Pin Symbol Name/Description Notes
1 VeeT Tx ground
2 Tx Fault Tx fault indication, Open Collector Output, active “H” 1
3 Tx Disable LVTTL Input, internal pull-up, Tx disabled on “H” 2
4 MOD-DEF2 2 wire serial interface data input/output (SDA) 3
5 MOD-DEF1 2 wire serial interface clock input (SCL) 3
6 MOD-DEF0 Model present indication 3
7 Rate select No connection
8 LOS Rx loss of signal, Open Collector Output, active “H” 4
9 VeeR Rx ground
10 VeeR Rx ground
11 VeeR Rx ground
12 RD- Inverse received data out 5
13 RD+ Received data out 5
14 VeeR Rx ground
15 VccR Rx power supply
16 VccT Tx power supply
17 VeeT Tx ground
18 TD+ Transmit data in 6
19 TD- Inverse transmit data in 6
20 VeeT Tx ground
6. SFP-2.5G-LH40-31-T02#151060
Guilin GLsun Science and Tech Group Co., LTD.
Tel: +86-773-3116006 info@glsun.com Web: www.glsun.com
- 6 -
Digital Diagnostic Specifications
The SFP-2.5G-LH40-31-T02 transceivers can be used in host systems that require either internally or
externally calibrated digital diagnostics.
Notes:
1. When Operating temp.=0~70 ºC,the range will be min=-5,Max=+75
2. The accuracy of the Tx bias current is 10% of the actual current from the laser driver to the laser
3. Internal/ External Calibration compatible.
Typical Interface Circuit
Parameter Symbol Units Min. Max. Accuracy Note
Transceiver temperature DTemp-E ºC -45 +90 ±5ºC 1
Transceiver supply voltage DVoltage V 2.8 4.0 ±3%
Transmitter bias current DBias mA 2 80 ±10% 2
Transmitter output power DTx-Power dBm -5 6 ±3dB
Receiver average input power DRx-Power dBm -29 0 ±3dB
7. SFP-2.5G-LH40-31-T02#151060
Guilin GLsun Science and Tech Group Co., LTD.
Tel: +86-773-3116006 info@glsun.com Web: www.glsun.com
- 7 -
Package Dimensions
Ordering Information
Part Number Description
SFP-2.5G-LH40-31-T02-C SFP, 2.5G, 1310nm, 40Km, 0~70℃, with Digital Diagnostic Monitor
SFP-2.5G-LH40-31-T02-I SFP, 2.5G, 1310nm, 40Km, -40~85℃, with Digital Diagnostic Monitor