# Industrial Networking **URL:** https://forumautomation.com/c/networking/8.md?page=3 [Latest](https://forumautomation.com/latest.md) · [Categories](https://forumautomation.com/categories.md) · [Tags](https://forumautomation.com/tags.md) **Page:** 4 --- ## [ControlNet Network Media Components: Industrial Automation](https://forumautomation.com/t/controlnet-network-media-components-industrial-automation/11754)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [February 3, 2024, 8:36am UTC](https://forumautomation.com/t/controlnet-network-media-components-industrial-automation/11754 "2024-02-03T08:36:31Z")
Understanding ControlNet Network Media Components: Industrial Automation ControlNet has developed as a reliable network protocol in industrial automation, where accuracy and real-time control are critical. At the heart … --- ## [What are examples of security vulnerabilities?](https://forumautomation.com/t/what-are-examples-of-security-vulnerabilities/13077)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [March 28, 2025, 4:53pm UTC](https://forumautomation.com/t/what-are-examples-of-security-vulnerabilities/13077 "2025-03-28T16:53:47Z")
What are examples of security vulnerabilities? --- ## [What is the Method for Troubleshooting a ControlNet Media System?](https://forumautomation.com/t/what-is-the-method-for-troubleshooting-a-controlnet-media-system/11780)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [February 10, 2024, 8:15am UTC](https://forumautomation.com/t/what-is-the-method-for-troubleshooting-a-controlnet-media-system/11780 "2024-02-10T08:15:58Z")
As a maintenance experts assigned with inspecting and verifying a new installed ControlNet media system, you must address several issues of the network’s installation to assure its correct operation. Now let’s examine t… --- ## [How to monitor and control a modbus device from a mobile phone using a modbus gateway?](https://forumautomation.com/t/how-to-monitor-and-control-a-modbus-device-from-a-mobile-phone-using-a-modbus-gateway/10831)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [January 8, 2023, 3:00pm UTC](https://forumautomation.com/t/how-to-monitor-and-control-a-modbus-device-from-a-mobile-phone-using-a-modbus-gateway/10831 "2023-01-08T15:00:32Z")
Using Modbus gateway a modbus device can be monitored and controlled from a mobile phone. What is a modbus mobile gateway ? A Modbus mobile gateway is a device that connects Modbus devices to a mobile network, allowi… --- ## [Cisco switch reseting procedure](https://forumautomation.com/t/cisco-switch-reseting-procedure/144)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [October 22, 2014, 5:28pm UTC](https://forumautomation.com/t/cisco-switch-reseting-procedure/144 "2014-10-22T17:28:13Z")
Following are two methods to reset CISCO switch A) While Switch is in power on condition, press MODE button for until STAT LED is glowing. Release the MODE button after STAT LED goes out. Screen will display Reload requ… --- ## [What is a Modbus Map?](https://forumautomation.com/t/what-is-a-modbus-map/12862)
**Author:** [@automation\_engineer6](https://forumautomation.com/u/automation_engineer6)\ **Replies:** 0\ **Last updated:** [November 27, 2024, 2:58am UTC](https://forumautomation.com/t/what-is-a-modbus-map/12862 "2024-11-27T02:58:12Z")
What is a Modbus Map? A Modbus Map is a structured reference document or configuration that details how data is organized and accessed in a Modbus-enabled device, such as a sensor, controller, or actuator. Modbus Map … --- ## [OPC for IT (Information Technology) Applications](https://forumautomation.com/t/opc-for-it-information-technology-applications/639)
**Author:** [@hkelly](https://forumautomation.com/u/hkelly)\ **Replies:** 0\ **Last updated:** [December 2, 2015, 6:53pm UTC](https://forumautomation.com/t/opc-for-it-information-technology-applications/639 "2015-12-02T18:53:38Z")
HI, Does anybody know or has had any experience of the usage of OPC protocol for IT applications other than BMS ? Thanks… --- ## [Integrating several field devices (inductive and capacitive sensors) into a single interface like Ethernet](https://forumautomation.com/t/integrating-several-field-devices-inductive-and-capacitive-sensors-into-a-single-interface-like-ethernet/447)
**Author:** [@karkas](https://forumautomation.com/u/karkas)\ **Replies:** 0\ **Last updated:** [June 15, 2015, 9:02pm UTC](https://forumautomation.com/t/integrating-several-field-devices-inductive-and-capacitive-sensors-into-a-single-interface-like-ethernet/447 "2015-06-15T21:02:47Z")
Helllo, I have a request for integrating several signals from sensors into a single interface. It was thought to be made using IO-link, but due to availability in my country and cost I am asking here for other options… --- ## [Eliminate Dcom Headaches](https://forumautomation.com/t/eliminate-dcom-headaches/899)
**Author:** [@hkelly](https://forumautomation.com/u/hkelly)\ **Replies:** 0\ **Last updated:** [March 21, 2016, 12:35pm UTC](https://forumautomation.com/t/eliminate-dcom-headaches/899 "2016-03-21T12:35:36Z")
OPC Tunneller from MatrikonOPC (with encryption and data compression) provides an easy, reliable and secure way to communicate between networked computers. It does away with the headaches typically associated with DCOM c… --- ## [OPC Historian for non process data](https://forumautomation.com/t/opc-historian-for-non-process-data/554)
**Author:** [@hkelly](https://forumautomation.com/u/hkelly)\ **Replies:** 0\ **Last updated:** [November 5, 2015, 10:07pm UTC](https://forumautomation.com/t/opc-historian-for-non-process-data/554 "2015-11-05T22:07:06Z")
Just wanted to find out if anybody has used OPC Historian or any other type of historian for non process/control/BMS data in other words as a regular business historical data base. Thanks for the feed back. --- ## [What are the types of communication methods in DeviceNet?](https://forumautomation.com/t/what-are-the-types-of-communication-methods-in-devicenet/11684)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [January 4, 2024, 7:48am UTC](https://forumautomation.com/t/what-are-the-types-of-communication-methods-in-devicenet/11684 "2024-01-04T07:48:00Z")
The DeviceNet protocol is critical for ensuring seamless communication between devices in the field of industrial control systems. Understanding DeviceNet communication protocols is critical for optimizing operational ef… --- ## [How does IoT enable predictive maintenance in manufacturing and industrial settings?](https://forumautomation.com/t/how-does-iot-enable-predictive-maintenance-in-manufacturing-and-industrial-settings/12143)
**Author:** [@Sundar\_Iyalunaidu](https://forumautomation.com/u/Sundar_Iyalunaidu)\ **Replies:** 1\ **Last updated:** [June 11, 2024, 1:38pm UTC](https://forumautomation.com/t/how-does-iot-enable-predictive-maintenance-in-manufacturing-and-industrial-settings/12143 "2024-06-11T13:38:23Z")
How does IoT enable predictive maintenance in manufacturing and industrial settings? --- ## [PLC and Router ACL](https://forumautomation.com/t/plc-and-router-acl/3890)
**Author:** [@daniel\_potter](https://forumautomation.com/u/daniel_potter)\ **Replies:** 0\ **Last updated:** [June 18, 2018, 9:33pm UTC](https://forumautomation.com/t/plc-and-router-acl/3890 "2018-06-18T21:33:17Z")
When designing a ACL for a industrial network do I use all PLC IPs, the PSCA Card IP, or do I use both? Thank you --- ## [What is the use of uplink ports in netwwork switches and give a configuration example](https://forumautomation.com/t/what-is-the-use-of-uplink-ports-in-netwwork-switches-and-give-a-configuration-example/273)
**Author:** [@omega](https://forumautomation.com/u/omega)\ **Replies:** 0\ **Last updated:** [February 26, 2015, 8:23am UTC](https://forumautomation.com/t/what-is-the-use-of-uplink-ports-in-netwwork-switches-and-give-a-configuration-example/273 "2015-02-26T08:23:00Z")
Uplink Ports: In the switch configuration, there are ports which cannot be used when connecting to other switch.This connection is possible only through few ports.So when connecting two switches you should use a crossove… --- ## [A New Alternative to Load Balancer in Maintaining Internet Availability](https://forumautomation.com/t/a-new-alternative-to-load-balancer-in-maintaining-internet-availability/2073)
**Author:** [@vayrence92](https://forumautomation.com/u/vayrence92)\ **Replies:** 0\ **Last updated:** [June 22, 2017, 3:57am UTC](https://forumautomation.com/t/a-new-alternative-to-load-balancer-in-maintaining-internet-availability/2073 "2017-06-22T03:57:39Z")
Hello everybody, As mentioned on the subject section, I am looking for an alternative to replace load balancer that is connected to two modems for the purpose of reducing downtime of the internet service. Basically, th… --- ## [What is a request-response mode in HART?](https://forumautomation.com/t/what-is-a-request-response-mode-in-hart/13206)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [May 10, 2025, 5:04am UTC](https://forumautomation.com/t/what-is-a-request-response-mode-in-hart/13206 "2025-05-10T05:04:31Z")
What is a request-response mode in HART? --- ## [What is RDP security?](https://forumautomation.com/t/what-is-rdp-security/13076)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [March 20, 2025, 7:13am UTC](https://forumautomation.com/t/what-is-rdp-security/13076 "2025-03-20T07:13:20Z")
What is RDP security? --- ## [What is HART burst mode?](https://forumautomation.com/t/what-is-hart-burst-mode/13205)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [May 2, 2025, 10:52am UTC](https://forumautomation.com/t/what-is-hart-burst-mode/13205 "2025-05-02T10:52:36Z")
What is HART burst mode? --- ## [Could a 1200 baud rate (equivalent to a signal change every 0.833 milliseconds) cause issues with an RPI of 5 ms for HART communication?](https://forumautomation.com/t/could-a-1200-baud-rate-equivalent-to-a-signal-change-every-0-833-milliseconds-cause-issues-with-an-rpi-of-5-ms-for-hart-communication/12134)
**Author:** [@Sundar\_Iyalunaidu](https://forumautomation.com/u/Sundar_Iyalunaidu)\ **Replies:** 1\ **Last updated:** [June 12, 2024, 6:26pm UTC](https://forumautomation.com/t/could-a-1200-baud-rate-equivalent-to-a-signal-change-every-0-833-milliseconds-cause-issues-with-an-rpi-of-5-ms-for-hart-communication/12134 "2024-06-12T18:26:55Z")
Could a 1200 baud rate (equivalent to a signal change every 0.833 milliseconds) cause issues with an RPI of 5 ms for HART communication? --- ## [What is patching?](https://forumautomation.com/t/what-is-patching/12667)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [October 9, 2024, 3:11pm UTC](https://forumautomation.com/t/what-is-patching/12667 "2024-10-09T15:11:07Z")
What is patching? --- ## [What is the difference between multi-mode and single mode fiber?](https://forumautomation.com/t/what-is-the-difference-between-multi-mode-and-single-mode-fiber/12863)
**Author:** [@automation\_engineer6](https://forumautomation.com/u/automation_engineer6)\ **Replies:** 0\ **Last updated:** [November 27, 2024, 3:47am UTC](https://forumautomation.com/t/what-is-the-difference-between-multi-mode-and-single-mode-fiber/12863 "2024-11-27T03:47:36Z")
What is the difference between multi-mode and single mode fiber? Multi-Mode and Single-Mode Optical Fibers Thin strands of glass or plastic called optical fibers are used to send light signals across great distances. T… --- ## [What is the role of Raspberry Pi in IoT?](https://forumautomation.com/t/what-is-the-role-of-raspberry-pi-in-iot/12877)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [December 4, 2024, 6:48am UTC](https://forumautomation.com/t/what-is-the-role-of-raspberry-pi-in-iot/12877 "2024-12-04T06:48:48Z")
What is the role of Raspberry Pi in IoT? Role of Raspberry Pi in IoT The Raspberry Pi is a small, powerful computer designed for IoT applications. With built-in I/O ports, Wi-Fi, Bluetooth, Ethernet, and USB peripher… --- ## [What are Intrusion Detection Systems?](https://forumautomation.com/t/what-are-intrusion-detection-systems/12712)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [October 22, 2024, 4:37am UTC](https://forumautomation.com/t/what-are-intrusion-detection-systems/12712 "2024-10-22T04:37:32Z")
What are Intrusion Detection Systems? --- ## [What is the maximum distance for Hart protocol?](https://forumautomation.com/t/what-is-the-maximum-distance-for-hart-protocol/13429)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [August 23, 2025, 8:33am UTC](https://forumautomation.com/t/what-is-the-maximum-distance-for-hart-protocol/13429 "2025-08-23T08:33:21Z")
What is the maximum distance for Hart protocol? --- ## [What is the maximum distance allowed for FOUNDATION fieldbus?](https://forumautomation.com/t/what-is-the-maximum-distance-allowed-for-foundation-fieldbus/12917)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [December 25, 2024, 7:48am UTC](https://forumautomation.com/t/what-is-the-maximum-distance-allowed-for-foundation-fieldbus/12917 "2024-12-25T07:48:18Z")
The type of cable, power source, network structure, and number of connected devices are some of the variables that affect the greatest distance that FOUNDATION Fieldbus (FF) can travel. An in-depth explanation is prov… --- ## [What is Middle man attack?](https://forumautomation.com/t/what-is-middle-man-attack/12653)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [October 3, 2024, 1:07pm UTC](https://forumautomation.com/t/what-is-middle-man-attack/12653 "2024-10-03T13:07:44Z")
What is Middle man attack? --- ## [What is importance of Data classification?](https://forumautomation.com/t/what-is-importance-of-data-classification/12715)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [October 17, 2024, 4:56pm UTC](https://forumautomation.com/t/what-is-importance-of-data-classification/12715 "2024-10-17T16:56:56Z")
What is importance of Data classification? --- ## [What is Intrusion Detection Analaysis?](https://forumautomation.com/t/what-is-intrusion-detection-analaysis/12687)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [October 12, 2024, 11:26am UTC](https://forumautomation.com/t/what-is-intrusion-detection-analaysis/12687 "2024-10-12T11:26:50Z")
What is Intrusion Detection Analysis? --- ## [What is Zero Day Vulnerabilities?](https://forumautomation.com/t/what-is-zero-day-vulnerabilities/12652)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [October 3, 2024, 1:05pm UTC](https://forumautomation.com/t/what-is-zero-day-vulnerabilities/12652 "2024-10-03T13:05:32Z")
What is Zero Day Vulnerabilities? --- ## [What is the IEC standard for Fieldbus?](https://forumautomation.com/t/what-is-the-iec-standard-for-fieldbus/13532)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [September 12, 2025, 1:16pm UTC](https://forumautomation.com/t/what-is-the-iec-standard-for-fieldbus/13532 "2025-09-12T13:16:59Z")
What is the IEC standard for Fieldbus? --- ## [Is SCADA basically an HMI?](https://forumautomation.com/t/is-scada-basically-an-hmi/13186)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [June 1, 2025, 11:42am UTC](https://forumautomation.com/t/is-scada-basically-an-hmi/13186 "2025-06-01T11:42:32Z")
Is SCADA basically an HMI? --- ## [What are the vulnerabilities of PLC?](https://forumautomation.com/t/what-are-the-vulnerabilities-of-plc/13101)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [April 17, 2025, 4:52pm UTC](https://forumautomation.com/t/what-are-the-vulnerabilities-of-plc/13101 "2025-04-17T16:52:15Z")
What are the vulnerabilities of PLC? --- ## [Which type of transmission is used in HART Protocol?](https://forumautomation.com/t/which-type-of-transmission-is-used-in-hart-protocol/13431)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [August 23, 2025, 10:04am UTC](https://forumautomation.com/t/which-type-of-transmission-is-used-in-hart-protocol/13431 "2025-08-23T10:04:33Z")
Which type of transmission is used in HART Protocol? --- ## [What are the various types of Cyber attacks in ICS Environment?](https://forumautomation.com/t/what-are-the-various-types-of-cyber-attacks-in-ics-environment/12620)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [September 27, 2024, 8:09am UTC](https://forumautomation.com/t/what-are-the-various-types-of-cyber-attacks-in-ics-environment/12620 "2024-09-27T08:09:31Z")
What are the various types of Cyber attacks in ICS Environment? --- ## [What is authentication factor in MFA?](https://forumautomation.com/t/what-is-authentication-factor-in-mfa/13046)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [March 14, 2025, 10:02am UTC](https://forumautomation.com/t/what-is-authentication-factor-in-mfa/13046 "2025-03-14T10:02:14Z")
What is authentication factor in MFA? --- ## [What is the vulnerability of Siemens simatic?](https://forumautomation.com/t/what-is-the-vulnerability-of-siemens-simatic/13102)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [April 19, 2025, 2:00pm UTC](https://forumautomation.com/t/what-is-the-vulnerability-of-siemens-simatic/13102 "2025-04-19T14:00:36Z")
What is the vulnerability of Siemens simatic? --- ## [What is a Brute Force Attack?](https://forumautomation.com/t/what-is-a-brute-force-attack/13075)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [March 14, 2025, 11:03am UTC](https://forumautomation.com/t/what-is-a-brute-force-attack/13075 "2025-03-14T11:03:47Z")
What is a Brute Force Attack? --- ## [What is the maximum cable length for FOUNDATION fieldbus?](https://forumautomation.com/t/what-is-the-maximum-cable-length-for-foundation-fieldbus/13533)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [September 12, 2025, 1:34pm UTC](https://forumautomation.com/t/what-is-the-maximum-cable-length-for-foundation-fieldbus/13533 "2025-09-12T13:34:12Z")
What is the maximum cable length for FOUNDATION fieldbus? --- ## [What is Disaster Recovery Centre in Process Industry?](https://forumautomation.com/t/what-is-disaster-recovery-centre-in-process-industry/12799)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [November 10, 2024, 1:38pm UTC](https://forumautomation.com/t/what-is-disaster-recovery-centre-in-process-industry/12799 "2024-11-10T13:38:49Z")
What is Disaster Recovery Centre in Process Industry? --- ## [What is Phisihing attack?](https://forumautomation.com/t/what-is-phisihing-attack/12601)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [September 20, 2024, 12:18pm UTC](https://forumautomation.com/t/what-is-phisihing-attack/12601 "2024-09-20T12:18:56Z")
What is Phisihing attack? --- ## [What is a dd file in FOUNDATION fieldbus?](https://forumautomation.com/t/what-is-a-dd-file-in-foundation-fieldbus/13534)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [October 11, 2025, 10:25am UTC](https://forumautomation.com/t/what-is-a-dd-file-in-foundation-fieldbus/13534 "2025-10-11T10:25:54Z")
What is a dd file in FOUNDATION fieldbus? --- ## [What is Fuzzers? How it affects Firmware?](https://forumautomation.com/t/what-is-fuzzers-how-it-affects-firmware/12655)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [October 4, 2024, 5:34pm UTC](https://forumautomation.com/t/what-is-fuzzers-how-it-affects-firmware/12655 "2024-10-04T17:34:33Z")
What is Fuzzers? How it affects Firmware? --- ## [What is Social Engineering attack?](https://forumautomation.com/t/what-is-social-engineering-attack/12665)
**Author:** [@automation\_engineer6](https://forumautomation.com/u/automation_engineer6)\ **Replies:** 1\ **Last updated:** [October 9, 2024, 12:32pm UTC](https://forumautomation.com/t/what-is-social-engineering-attack/12665 "2024-10-09T12:32:54Z")
What is Social Engineering attack? --- ## [What is the speed of FOUNDATION fieldbus?](https://forumautomation.com/t/what-is-the-speed-of-foundation-fieldbus/13538)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [September 19, 2025, 12:51pm UTC](https://forumautomation.com/t/what-is-the-speed-of-foundation-fieldbus/13538 "2025-09-19T12:51:28Z")
What is the speed of FOUNDATION fieldbus? --- ## [What is remote access vulnerability?](https://forumautomation.com/t/what-is-remote-access-vulnerability/13103)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [March 29, 2025, 6:46am UTC](https://forumautomation.com/t/what-is-remote-access-vulnerability/13103 "2025-03-29T06:46:21Z")
What is remote access vulnerability? --- ## [What type of cable is used for FOUNDATION fieldbus?](https://forumautomation.com/t/what-type-of-cable-is-used-for-foundation-fieldbus/13535)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [September 19, 2025, 12:50pm UTC](https://forumautomation.com/t/what-type-of-cable-is-used-for-foundation-fieldbus/13535 "2025-09-19T12:50:19Z")
What type of cable is used for FOUNDATION fieldbus? --- ## [Troubleshooting Connectivity Issues Between PLC and SCADA Systems Over Industrial Ethernet](https://forumautomation.com/t/troubleshooting-connectivity-issues-between-plc-and-scada-systems-over-industrial-ethernet/12606)
**Author:** [@picira](https://forumautomation.com/u/picira)\ **Replies:** 0\ **Last updated:** [September 20, 2024, 9:50pm UTC](https://forumautomation.com/t/troubleshooting-connectivity-issues-between-plc-and-scada-systems-over-industrial-ethernet/12606 "2024-09-20T21:50:29Z")
Hello, I’m experiencing intermittent connectivity drops between my PLC and SCADA systems over an Industrial Ethernet network. :upside\_down\_face: The issue seems to occur sporadically; causing delays in data transfer an… --- ## [What is the difference between fieldbus and Hart?](https://forumautomation.com/t/what-is-the-difference-between-fieldbus-and-hart/13636)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [October 25, 2025, 6:46am UTC](https://forumautomation.com/t/what-is-the-difference-between-fieldbus-and-hart/13636 "2025-10-25T06:46:02Z")
What is the difference between fieldbus and Hart? --- ## [What is the physical layer of fieldbus?](https://forumautomation.com/t/what-is-the-physical-layer-of-fieldbus/13537)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [October 17, 2025, 7:56am UTC](https://forumautomation.com/t/what-is-the-physical-layer-of-fieldbus/13537 "2025-10-17T07:56:48Z")
What is the physical layer of fieldbus? --- ## [What is the purpose of Optical Network Terminal?](https://forumautomation.com/t/what-is-the-purpose-of-optical-network-terminal/13521)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [September 9, 2025, 11:58am UTC](https://forumautomation.com/t/what-is-the-purpose-of-optical-network-terminal/13521 "2025-09-09T11:58:33Z")
\[color=#ff0000\] Optical Network Terminal \[/color\] ONT Panel - Optical Network Terminal Alternatively, in some initiatives, it is named ONU which stands for Optical Network Unit. This \[url= What is HT Panel? Explains its… [Previous page](https://forumautomation.com/c/networking/8.md?page=2&per_page=50) [Next page](https://forumautomation.com/c/networking/8.md?page=4&per_page=50)