# \#rcm3750

**URL:** https://forums.digi.com/tag/rcm3750/597.md

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## [How to send/receive plain ethernet packets on RCM3700?](https://forums.digi.com/t/how-to-send-receive-plain-ethernet-packets-on-rcm3700/23214)

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**Author:** [@way2old](https://forums.digi.com/u/way2old)\
**Replies:** 3\
**Last updated:** [September 1, 2022, 2:13pm UTC](https://forums.digi.com/t/how-to-send-receive-plain-ethernet-packets-on-rcm3700/23214 "2022-09-01T14:13:22Z")

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I am switching to the RCM3700 on a board that currently uses the RCM3750. On the 3750, I programmed the Asix ethernet controller directly, since I was already familiar with it from a previous project. On the 3700 I’d lik…

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## [RCM3750 End of Life](https://forums.digi.com/t/rcm3750-end-of-life/23144)

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**Author:** [@JamesB](https://forums.digi.com/u/JamesB)\
**Replies:** 2\
**Last updated:** [July 7, 2022, 10:31am UTC](https://forums.digi.com/t/rcm3750-end-of-life/23144 "2022-07-07T10:31:07Z")

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Hi, I’m just wondering if the RCM3750 is still in production? how many years will it still be in production for? Regards James

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## [rcm3750 power requirement change in H version](https://forums.digi.com/t/rcm3750-power-requirement-change-in-h-version/22527)

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**Author:** [@PaterickB](https://forums.digi.com/u/PaterickB)\
**Replies:** 2\
**Last updated:** [July 9, 2021, 8:18am UTC](https://forums.digi.com/t/rcm3750-power-requirement-change-in-h-version/22527 "2021-07-09T08:18:52Z")

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We got in a new supply of RCM3750 boards (H Revision) and noticed the current draw is almost twice as much as the previous boards. The older revisions listed the power with Ethernet active as: 175 mA @ 22.1 MHz, 150 m…

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## [asynchronous Flash I/O](https://forums.digi.com/t/asynchronous-flash-i-o/12224)

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**Author:** [@ajcurtis84](https://forums.digi.com/u/ajcurtis84)\
**Replies:** 1\
**Last updated:** [December 13, 2013, 4:31pm UTC](https://forums.digi.com/t/asynchronous-flash-i-o/12224 "2013-12-13T16:31:15Z")

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Hello, All the UserFlash and/or SysIDBlock flash functions I can find seem to be single threaded. This is causing problems in our application by halting all other processing until the operation is complete. Is there a …

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## [Problem to open a TCP socket in promiscuous mode](https://forums.digi.com/t/problem-to-open-a-tcp-socket-in-promiscuous-mode/11672)

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**Author:** [@jgonzalez](https://forums.digi.com/u/jgonzalez)\
**Replies:** 2\
**Last updated:** [July 12, 2013, 4:02am UTC](https://forums.digi.com/t/problem-to-open-a-tcp-socket-in-promiscuous-mode/11672 "2013-07-12T04:02:22Z")

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I need open a TCP socket in promiscuous mode in a RCM3750. I change ASIX.lib to allow the promiscuous mode. I connect the module with a hub and in this network are TCP trafic but i don´t receive any packet. Can somebody…