# \#serial-interface **URL:** https://forums.digi.com/tag/serial-interface/53.md [Latest](https://forums.digi.com/latest.md) · [Categories](https://forums.digi.com/categories.md) · [Tags](https://forums.digi.com/tags.md) --- ## [I cannot find the USB port of Arduino connected to Connectcore 8x USB port in the /dev/tty\*?](https://forums.digi.com/t/i-cannot-find-the-usb-port-of-arduino-connected-to-connectcore-8x-usb-port-in-the-dev-tty/23395)
**Author:** [@hkhoda](https://forums.digi.com/u/hkhoda)\ **Replies:** 2\ **Last updated:** [October 3, 2023, 1:00pm UTC](https://forums.digi.com/t/i-cannot-find-the-usb-port-of-arduino-connected-to-connectcore-8x-usb-port-in-the-dev-tty/23395 "2023-10-03T13:00:34Z")
Hello all, I want to use the Connectcore 8x for a project to log and save data from a microcontroller connected to the board through the USB interface. Unfortunately, although I followed the solution for the previous DI… --- ## [Digimesh splits data in random places while transferring via USB port](https://forums.digi.com/t/digimesh-splits-data-in-random-places-while-transferring-via-usb-port/23095)
**Author:** [@Ceranthor](https://forums.digi.com/u/Ceranthor)\ **Replies:** 1\ **Last updated:** [June 2, 2022, 10:28am UTC](https://forums.digi.com/t/digimesh-splits-data-in-random-places-while-transferring-via-usb-port/23095 "2022-06-02T10:28:51Z")
Hi i have problem with my digimesh when communicating with it via uart. Sometimes packages are splitter in random places to 2 or even 4 strings. I just cannot discover why it happened payload is 40 bytes but I get 5 byte… --- ## [IX20 modbus gateway available when ETH2 down?](https://forums.digi.com/t/ix20-modbus-gateway-available-when-eth2-down/22651)
**Author:** [@dgici](https://forums.digi.com/u/dgici)\ **Replies:** 1\ **Last updated:** [September 8, 2021, 12:40am UTC](https://forums.digi.com/t/ix20-modbus-gateway-available-when-eth2-down/22651 "2021-09-08T00:40:47Z")
Hi there, I have two IX20’s that will be connected via IPSec. I need one of the IX20s to act as a modbus server for the LAN devices attached to the other IX20. I am using the serial port for the local communications t… --- ## [Serial console enabled/disabled setting on a Coordinator radio](https://forums.digi.com/t/serial-console-enabled-disabled-setting-on-a-coordinator-radio/21835)
**Author:** [@D2K](https://forums.digi.com/u/D2K)\ **Replies:** 5\ **Last updated:** [September 30, 2020, 10:27am UTC](https://forums.digi.com/t/serial-console-enabled-disabled-setting-on-a-coordinator-radio/21835 "2020-09-30T10:27:49Z")
Just so I’m certain: if I were to configure a programmable S3B/900HP Coordinator radio’s UART as “Serial console enabled” in the settings, would that only direct the output to the console/screen instead of Tx, and only p… --- ## [Serial port fail with ConnectCore 6UL & Yocto with systemd](https://forums.digi.com/t/serial-port-fail-with-connectcore-6ul-yocto-with-systemd/21602)
**Author:** [@TCRobotics](https://forums.digi.com/u/TCRobotics)\ **Replies:** 2\ **Last updated:** [July 31, 2020, 2:22pm UTC](https://forums.digi.com/t/serial-port-fail-with-connectcore-6ul-yocto-with-systemd/21602 "2020-07-31T14:22:55Z")
I was able to read and write through serial with an C application before. But after I change sysvinit to systemd the serial port doesn’t work anymore (ttymxc1). The console serial port (ttymxc4) works ok. When ttymxc1… --- ## [Receive Option from Explicit RX indicator in XCTU Program](https://forums.digi.com/t/receive-option-from-explicit-rx-indicator-in-xctu-program/21534)
**Author:** [@Varawut](https://forums.digi.com/u/Varawut)\ **Replies:** 3\ **Last updated:** [July 10, 2020, 8:46am UTC](https://forums.digi.com/t/receive-option-from-explicit-rx-indicator-in-xctu-program/21534 "2020-07-10T08:46:43Z")
I use Xbee Pro S2C as Coordinator and Connecting it with Temperature Sensor (Aqara). And then I use XCTU program to display the frame log. I receive the data from this device, the data is 7E 00 1A 91 00 15 8D 00 04 88… --- ## [ConnectCore 6UL showing gibberish on serial console and won't bootup](https://forums.digi.com/t/connectcore-6ul-showing-gibberish-on-serial-console-and-wont-bootup/21301)
**Author:** [@chileshe](https://forums.digi.com/u/chileshe)\ **Replies:** 6\ **Last updated:** [May 21, 2020, 7:08pm UTC](https://forums.digi.com/t/connectcore-6ul-showing-gibberish-on-serial-console-and-wont-bootup/21301 "2020-05-21T19:08:29Z")
I was testing my bitbacked installation of Digi embedded Yocto. After a week running and a hard reset the console was just showing gibberish and won’t bootup. See image1. Following the process to recover: I was able … --- ## [Noob needs simple csharp library example. Not Xamarin](https://forums.digi.com/t/noob-needs-simple-csharp-library-example-not-xamarin/21388)
**Author:** [@jrgert](https://forums.digi.com/u/jrgert)\ **Replies:** 1\ **Last updated:** [May 19, 2020, 2:13pm UTC](https://forums.digi.com/t/noob-needs-simple-csharp-library-example-not-xamarin/21388 "2020-05-19T14:13:13Z")
I am trying to make a C# dialog app that uses the XBeeLibrary.Core. No luck for me. Are there any example apps available that are not xamarin? --- ## [Connect Wi-ME Serial Port Logging](https://forums.digi.com/t/connect-wi-me-serial-port-logging/4094)
**Author:** [@rowan.bradley](https://forums.digi.com/u/rowan.bradley)\ **Replies:** 1\ **Last updated:** [May 13, 2020, 5:13am UTC](https://forums.digi.com/t/connect-wi-me-serial-port-logging/4094 "2020-05-13T05:13:30Z")
I can see how to turn on serial port logging using the web interface on the Connect Wi-ME (E or F firmware), and I appear to have done so, but I can’t see how to access the logs. They don’t appear in the File Management … --- ## [enable serial port only when cell connection is established](https://forums.digi.com/t/enable-serial-port-only-when-cell-connection-is-established/21331)
**Author:** [@JasonL84](https://forums.digi.com/u/JasonL84)\ **Replies:** 1\ **Last updated:** [May 8, 2020, 2:32pm UTC](https://forums.digi.com/t/enable-serial-port-only-when-cell-connection-is-established/21331 "2020-05-08T14:32:45Z")
I have a situation where a terminal is connected to a digi wr31 that uses a cellular connection via a serial cable. In this case I’m looking to have the serial interface be disabled until the cellular connection is estab… --- ## [How can i use Digi Transport WR31 as a Modbus Gateway](https://forums.digi.com/t/how-can-i-use-digi-transport-wr31-as-a-modbus-gateway/21098)
**Author:** [@joenwa](https://forums.digi.com/u/joenwa)\ **Replies:** 1\ **Last updated:** [February 7, 2020, 4:09pm UTC](https://forums.digi.com/t/how-can-i-use-digi-transport-wr31-as-a-modbus-gateway/21098 "2020-02-07T16:09:12Z")
I have done all the configurations but no solution at all. I have 2 computers connected to the Digi Transport, one is connected serially with DB9 to the serial interface and the other is connected to ethernet0 interface… --- ## [How to ignore a break signal from my DTE to WR21 running the Python Serial to Device Cloud sample?](https://forums.digi.com/t/how-to-ignore-a-break-signal-from-my-dte-to-wr21-running-the-python-serial-to-device-cloud-sample/20629)
**Author:** [@testdigimonitor](https://forums.digi.com/u/testdigimonitor)\ **Replies:** 0\ **Last updated:** [July 11, 2019, 11:45am UTC](https://forums.digi.com/t/how-to-ignore-a-break-signal-from-my-dte-to-wr21-running-the-python-serial-to-device-cloud-sample/20629 "2019-07-11T11:45:12Z")
I’m using the “Python Serial to Device Cloud Sample” with a WR21. It works great with only one exception, when the DTE is powered on, it sends a break signal (tx is held low) this is breaking the serial connection. The … --- ## [Is there a way to send information from a python program out the serial port](https://forums.digi.com/t/is-there-a-way-to-send-information-from-a-python-program-out-the-serial-port/19794)
**Author:** [@dbweiner](https://forums.digi.com/u/dbweiner)\ **Replies:** 1\ **Last updated:** [August 22, 2018, 4:44am UTC](https://forums.digi.com/t/is-there-a-way-to-send-information-from-a-python-program-out-the-serial-port/19794 "2018-08-22T04:44:49Z")
I am monitoring certain conditions in the WR21 using a python program. Is there a way to send this information to the serial port for consumption by another device? --- ## [How to send CLI commands through serial connection in a WR21?](https://forums.digi.com/t/how-to-send-cli-commands-through-serial-connection-in-a-wr21/19790)
**Author:** [@JoaoMRocha](https://forums.digi.com/u/JoaoMRocha)\ **Replies:** 1\ **Last updated:** [August 17, 2018, 5:56am UTC](https://forums.digi.com/t/how-to-send-cli-commands-through-serial-connection-in-a-wr21/19790 "2018-08-17T05:56:33Z")
I’m trying to send CLI commands from a PLC to a Digi Transport WR21 in order to have it send an SMS to the number specified in the command and with the text also specified in the command. Ex: sendSMS (telephone nº) “text… --- ## [XBee USB Adapter Reimplement Interface](https://forums.digi.com/t/xbee-usb-adapter-reimplement-interface/19168)
**Author:** [@jethrogillgren](https://forums.digi.com/u/jethrogillgren)\ **Replies:** 0\ **Last updated:** [February 16, 2018, 12:19pm UTC](https://forums.digi.com/t/xbee-usb-adapter-reimplement-interface/19168 "2018-02-16T12:19:45Z")
Hi, I have an XBee SB2 in API Mode 2, connected via Xbee USB Adapter. In XCTU I see frames with Len/Checksum fields broken out etc… and my data. When I write a program to read the incoming data, the serial connection … --- ## [Transmit request in an explicit RX indicator](https://forums.digi.com/t/transmit-request-in-an-explicit-rx-indicator/18810)
**Author:** [@samettonyali29](https://forums.digi.com/u/samettonyali29)\ **Replies:** 6\ **Last updated:** [October 24, 2017, 4:21pm UTC](https://forums.digi.com/t/transmit-request-in-an-explicit-rx-indicator/18810 "2017-10-24T16:21:45Z")
I built a ZigBee mesh network out of 20 programmable XBee XB24Cs running ZigBee TH regular 405F firmware. Those XBees are attached to a raspberry pi 3 on which my application is running. The RasPis communicate with the X… --- ## [Does Anyone Have a Good "Cheat Sheet" on AT Commands for Serial Interfacing?](https://forums.digi.com/t/does-anyone-have-a-good-cheat-sheet-on-at-commands-for-serial-interfacing/18820)
**Author:** [@silver2row](https://forums.digi.com/u/silver2row)\ **Replies:** 1\ **Last updated:** [October 24, 2017, 9:37am UTC](https://forums.digi.com/t/does-anyone-have-a-good-cheat-sheet-on-at-commands-for-serial-interfacing/18820 "2017-10-24T09:37:47Z")
Hello, I have found some resources on AT Commands for serial interfacing w/ the BeagleBone Black, my PC, and the Wireless Connectivity Kit (two XBee modules w/ adapter boards). I have not found a good solution for conn… --- ## [Unable to Read Xbee API with Serial Arduino Mega 2560](https://forums.digi.com/t/unable-to-read-xbee-api-with-serial-arduino-mega-2560/18789)
**Author:** [@rakkykung](https://forums.digi.com/u/rakkykung)\ **Replies:** 1\ **Last updated:** [October 9, 2017, 9:57am UTC](https://forums.digi.com/t/unable-to-read-xbee-api-with-serial-arduino-mega-2560/18789 "2017-10-09T09:57:12Z")
Hi, I have a problem with reading API frame by using serial port with firstly activating on XCTU 1.XB S3B : API MODE : coordinator 2.Parallax mini USB xbee adapter Info of Xbee adapter I connect DIN(xbee) to Rx(Meg… --- ## [What does XCTU perform while adding a radio module](https://forums.digi.com/t/what-does-xctu-perform-while-adding-a-radio-module/18639)
**Author:** [@samettonyali29](https://forums.digi.com/u/samettonyali29)\ **Replies:** 3\ **Last updated:** [August 14, 2017, 1:02pm UTC](https://forums.digi.com/t/what-does-xctu-perform-while-adding-a-radio-module/18639 "2017-08-14T13:02:27Z")
I believe the XCTU performs something magical while adding a radio module because I realized that my application programs (reading and writing) coded in C can work after the XCTU have added them. I compared the USB file… --- ## [Compiling source code to file for CM7120 SmartCore with Dynamic C DC32\_631](https://forums.digi.com/t/compiling-source-code-to-file-for-cm7120-smartcore-with-dynamic-c-dc32-631/18406)
**Author:** [@PStechPaul](https://forums.digi.com/u/PStechPaul)\ **Replies:** 4\ **Last updated:** [July 18, 2017, 9:29am UTC](https://forums.digi.com/t/compiling-source-code-to-file-for-cm7120-smartcore-with-dynamic-c-dc32-631/18406 "2017-07-18T09:29:29Z")
I need to make a change to the source code for a legacy product that was designed for the ZWorld SmartCore CM7120 around 1998. My customer has the development module that is normally connected to the computer serial port… --- ## [Configure asy 0 baud rate and flow control commands](https://forums.digi.com/t/configure-asy-0-baud-rate-and-flow-control-commands/18506)
**Author:** [@garankeeler](https://forums.digi.com/u/garankeeler)\ **Replies:** 2\ **Last updated:** [July 6, 2017, 2:19am UTC](https://forums.digi.com/t/configure-asy-0-baud-rate-and-flow-control-commands/18506 "2017-07-06T02:19:01Z")
I’m modifying the config.fac file on a transport wr21 so that when the factory reset is initiated, the modem is set back to a working config for my environment. I need to configure the serial port, ASY 0, to a baud rate… --- ## [Set serial properties through Remote Manager task](https://forums.digi.com/t/set-serial-properties-through-remote-manager-task/18478)
**Author:** [@jgoslin](https://forums.digi.com/u/jgoslin)\ **Replies:** 3\ **Last updated:** [July 3, 2017, 11:19am UTC](https://forums.digi.com/t/set-serial-properties-through-remote-manager-task/18478 "2017-07-03T11:19:52Z")
I want to set serial port 8’s baud, flow control, and echo properties through a task run in Digi Remote Manager, but I can’t find how to set these through the command line. I’ve pored over all the documentation I could … --- ## [Digi PortServer II 16 can't console to CISCO device](https://forums.digi.com/t/digi-portserver-ii-16-cant-console-to-cisco-device/18273)
**Author:** [@MAM](https://forums.digi.com/u/MAM)\ **Replies:** 0\ **Last updated:** [April 20, 2017, 11:48am UTC](https://forums.digi.com/t/digi-portserver-ii-16-cant-console-to-cisco-device/18273 "2017-04-20T11:48:35Z")
I have inherited old Digi portserver II 16 ports. I have trying to setup our lab equipment (Cisco router & switches) to connect to port 2 through 10. I have following config with user credentials created and assigned to … --- ## [Problem With the WR44-U V1 Flash](https://forums.digi.com/t/problem-with-the-wr44-u-v1-flash/17793)
**Author:** [@pcorteggiani](https://forums.digi.com/u/pcorteggiani)\ **Replies:** 2\ **Last updated:** [December 14, 2016, 9:22am UTC](https://forums.digi.com/t/problem-with-the-wr44-u-v1-flash/17793 "2016-12-14T09:22:58Z")
Hi, My model is WR44-U V1 with inscription in front is DIGI TRANSPORT and Power by sarian system. It’s a gig or sarian Model. I flash the firmware with the version 5284 WR44 with the browser panel. When the modem reboot… --- ## [Xbee resetersion](https://forums.digi.com/t/xbee-resetersion/17003)
**Author:** [@Guillaume17](https://forums.digi.com/u/Guillaume17)\ **Replies:** 1\ **Last updated:** [November 10, 2016, 3:18pm UTC](https://forums.digi.com/t/xbee-resetersion/17003 "2016-11-10T15:18:18Z")
Hi, I am using xbee module in a C# app using a serial port. I have a problem when connecting the module. I am forced to use XCTU to reset then after that I can communicate with the module in my application. I have a XB… --- ## [connect to serial port](https://forums.digi.com/t/connect-to-serial-port/17478)
**Author:** [@jjordan](https://forums.digi.com/u/jjordan)\ **Replies:** 1\ **Last updated:** [September 30, 2016, 12:14pm UTC](https://forums.digi.com/t/connect-to-serial-port/17478 "2016-09-30T12:14:20Z")
How to connect to PortServer TS MEI with windows computer serial port or ? --- ## [Issue with serial ports no longer displaying output](https://forums.digi.com/t/issue-with-serial-ports-no-longer-displaying-output/17011)
**Author:** [@ckuruts](https://forums.digi.com/u/ckuruts)\ **Replies:** 1\ **Last updated:** [July 6, 2016, 12:34pm UTC](https://forums.digi.com/t/issue-with-serial-ports-no-longer-displaying-output/17011 "2016-07-06T12:34:27Z")
I am using a ConnectPort LTS 16 All 16 port are configured as raw serial. We’ve had some issues lately where a client might not disconnect from the port (or other problems occur), and all subsequent connection attempts… --- ## [Get RealPort to use a lower com port number?](https://forums.digi.com/t/get-realport-to-use-a-lower-com-port-number/16942)
**Author:** [@daveyh](https://forums.digi.com/u/daveyh)\ **Replies:** 5\ **Last updated:** [June 20, 2016, 10:43am UTC](https://forums.digi.com/t/get-realport-to-use-a-lower-com-port-number/16942 "2016-06-20T10:43:01Z")
When I install RealPort for a Connect SP, the lowest port I can choose is COM18. The highest port our software supports is COM16. Is there a way to get RealPort to use a lower com port number? There’s only one com port i… --- ## [I can no longer remotley control my device which connected to TS Mei after rebooting (power cycling)](https://forums.digi.com/t/i-can-no-longer-remotley-control-my-device-which-connected-to-ts-mei-after-rebooting-power-cycling/16787)
**Author:** [@jony541](https://forums.digi.com/u/jony541)\ **Replies:** 1\ **Last updated:** [May 19, 2016, 9:37am UTC](https://forums.digi.com/t/i-can-no-longer-remotley-control-my-device-which-connected-to-ts-mei-after-rebooting-power-cycling/16787 "2016-05-19T09:37:42Z")
Hi, I connected three devices to the Digi (Portserver TS Mei) serial ports and everything were working fine till I rebooted (power cycled) the DigiPort. After rebooting, I can no longer communicate with the connected d… --- ## [How to get serial going on S2B module](https://forums.digi.com/t/how-to-get-serial-going-on-s2b-module/16414)
**Author:** [@wbaldwin5](https://forums.digi.com/u/wbaldwin5)\ **Replies:** 9\ **Last updated:** [March 29, 2016, 3:21pm UTC](https://forums.digi.com/t/how-to-get-serial-going-on-s2b-module/16414 "2016-03-29T15:21:20Z")
Using XCTU, I am sending test TX Request Frames (0x10)from Coordinator to Router every 5000ms. WORKS: If I have the Router connected to the PC via USB I can see that the frames are received at the router in XCTU. Conne… [Next page](https://forums.digi.com/tag/serial-interface/53.md?match_all_tags=true&page=1&tags%5B%5D=serial-interface)