# \#gigablox-nano **URL:** https://forum.botblox.org/tag/gigablox-nano/11.md [Latest](https://forum.botblox.org/latest.md) · [Categories](https://forum.botblox.org/categories.md) · [Tags](https://forum.botblox.org/tags.md) --- ## [Gigablox Nano: Jumbo frames?](https://forum.botblox.org/t/gigablox-nano-jumbo-frames/603)
**Author:** [@JimHorn](https://forum.botblox.org/u/JimHorn)\ **Replies:** 13\ **Last updated:** [July 28, 2026, 4:55pm UTC](https://forum.botblox.org/t/gigablox-nano-jumbo-frames/603 "2026-07-28T16:55:11Z")
I understand that the Nano is currently limited to 1500 byte frames. A product we are designing would benefit from use of the Nano instead of the GigaStax Rugged but we require jumbo frame capability. Is there a way to … --- ## [Ethernet Magnetics](https://forum.botblox.org/t/ethernet-magnetics/617)
**Author:** [@ElsieMichaelson](https://forum.botblox.org/u/ElsieMichaelson)\ **Replies:** 0\ **Last updated:** [July 17, 2026, 4:41pm UTC](https://forum.botblox.org/t/ethernet-magnetics/617 "2026-07-17T16:41:01Z")
This topic was migrated from the BotBlox ticketing system after being summarized and anonymized. Q: I want to make sure I understand the concept of “ethernet magnetics” so that I don’t run into any issues in my applicat… --- ## [Why did we turn off EEE on GigaBlox Nano revision B?](https://forum.botblox.org/t/why-did-we-turn-off-eee-on-gigablox-nano-revision-b/610)
**Author:** [@josh\_elijah](https://forum.botblox.org/u/josh_elijah)\ **Replies:** 0\ **Last updated:** [July 6, 2026, 8:29pm UTC](https://forum.botblox.org/t/why-did-we-turn-off-eee-on-gigablox-nano-revision-b/610 "2026-07-06T20:29:47Z")
GigaBlox Nano Rev B: Energy Efficient Ethernet disabled by default With GigaBlox Nano Revision B, we made a small but important configuration change: Energy Efficient Ethernet (EEE) is now disabled by default. EEE, also… --- ## [Cable Length Caution Explanation for GigaBlox Nano](https://forum.botblox.org/t/cable-length-caution-explanation-for-gigablox-nano/602)
**Author:** [@ElsieMichaelson](https://forum.botblox.org/u/ElsieMichaelson)\ **Replies:** 0\ **Last updated:** [June 26, 2026, 7:10pm UTC](https://forum.botblox.org/t/cable-length-caution-explanation-for-gigablox-nano/602 "2026-06-26T19:10:49Z")
This topic was migrated from the BotBlox ticketing system after being summarized and anonymized. Question: GigaBlox Nano – 1 Inch GigaBit Ethernet Switch (SKU: BB-GGN-B-1) In the Description tab it says cable lengths … --- ## [GigaBlox Nano MDIO/MDC Interface Capabilities](https://forum.botblox.org/t/gigablox-nano-mdio-mdc-interface-capabilities/594)
**Author:** [@ElsieMichaelson](https://forum.botblox.org/u/ElsieMichaelson)\ **Replies:** 0\ **Last updated:** [June 19, 2026, 1:14pm UTC](https://forum.botblox.org/t/gigablox-nano-mdio-mdc-interface-capabilities/594 "2026-06-19T13:14:07Z")
This topic was migrated from the BotBlox ticketing system after being summarized and anonymized. Question: I want to use GigaBlox Nano in a custom project and I noticed that the connector has SDA/MDIO 37 SCK/MDC 38 co… --- ## [Intermittent loss of connection GigaBlox Nano](https://forum.botblox.org/t/intermittent-loss-of-connection-gigablox-nano/520)
**Author:** [@BotLOR](https://forum.botblox.org/u/BotLOR)\ **Replies:** 7\ **Last updated:** [April 28, 2026, 1:21pm UTC](https://forum.botblox.org/t/intermittent-loss-of-connection-gigablox-nano/520 "2026-04-28T13:21:48Z")
Hello. I’m using a GigaBlox Nano for my project. I have three switches connected on a single shared board, which integrate simultaneous use of a Raspberry Pi 5 and an Auterion flight controller that has its own KSZ8794 s… --- ## [The big inductor L1 is on the board but not in Drawings or CAD-File](https://forum.botblox.org/t/the-big-inductor-l1-is-on-the-board-but-not-in-drawings-or-cad-file/546)
**Author:** [@Simon](https://forum.botblox.org/u/Simon)\ **Replies:** 2\ **Last updated:** [April 14, 2026, 3:25am UTC](https://forum.botblox.org/t/the-big-inductor-l1-is-on-the-board-but-not-in-drawings-or-cad-file/546 "2026-04-14T03:25:19Z")
I have noticed photos and real hardware dont mach the schematics and 3D-Step files. the big inductor is missing. Can it be added? I need an acurate 3D representation to make a correct housing. Why is it not included in … --- ## [Gigablox nano switch compatible with PHY DP83848TSQ/NOPB Chip?](https://forum.botblox.org/t/gigablox-nano-switch-compatible-with-phy-dp83848tsq-nopb-chip/522)
**Author:** [@sid\_3141](https://forum.botblox.org/u/sid_3141)\ **Replies:** 8\ **Last updated:** [April 7, 2026, 2:34pm UTC](https://forum.botblox.org/t/gigablox-nano-switch-compatible-with-phy-dp83848tsq-nopb-chip/522 "2026-04-07T14:34:17Z")
Hello, I am trying to interface a GigaBlox Nano Ethernet switch with the TI DP83848TSQ/NOPB Ethernet PHY chip. With the current circuit, the red LED turns on, indicating that the PHY is operating in 100BASE-T mode, and … --- ## [GigaBlox Nano's MMD (I2C?) signals](https://forum.botblox.org/t/gigablox-nanos-mmd-i2c-signals/534)
**Author:** [@JimHorn](https://forum.botblox.org/u/JimHorn)\ **Replies:** 5\ **Last updated:** [February 27, 2026, 4:55pm UTC](https://forum.botblox.org/t/gigablox-nanos-mmd-i2c-signals/534 "2026-02-27T16:55:19Z")
We have a number of Rev A GigaBlox Nanos from an old order of same. Our newer designs use the Rev B successfully, but the Rev A limitation of a maximum MTU of 1536 bytes keeps them from working in that application. I no… --- ## [How to integrate GigaBlox Nano with Raspberry Pi CM5](https://forum.botblox.org/t/how-to-integrate-gigablox-nano-with-raspberry-pi-cm5/527)
**Author:** [@botblox\_admin](https://forum.botblox.org/u/botblox_admin)\ **Replies:** 1\ **Last updated:** [February 6, 2026, 9:50pm UTC](https://forum.botblox.org/t/how-to-integrate-gigablox-nano-with-raspberry-pi-cm5/527 "2026-02-06T21:50:31Z")
– Copied from customer query – I’m working on a PCB design that includes a GigaBlox Nano ethernet switch and a Raspberry Pi Compute Module 5 and I was wondering if you have any recommended circuit diagram for interfacin… --- ## [Adding transformers to GigaBlox Nano and coupling capacitors](https://forum.botblox.org/t/adding-transformers-to-gigablox-nano-and-coupling-capacitors/518)
**Author:** [@botblox\_admin](https://forum.botblox.org/u/botblox_admin)\ **Replies:** 3\ **Last updated:** [January 15, 2026, 6:46pm UTC](https://forum.botblox.org/t/adding-transformers-to-gigablox-nano-and-coupling-capacitors/518 "2026-01-15T18:46:00Z")
Question (14 Jan 2026) We are interested in the GigaBlox Nano module. Since it is specified not to have a transformer, would it be possible to design a daughterboard with a transformer if required? Does the transformer‑… --- ## [GigaBlox Nano does not with sonar where GigaBlox does](https://forum.botblox.org/t/gigablox-nano-does-not-with-sonar-where-gigablox-does/372)
**Author:** [@botblox\_admin](https://forum.botblox.org/u/botblox_admin)\ **Replies:** 5\ **Last updated:** [November 5, 2025, 3:43pm UTC](https://forum.botblox.org/t/gigablox-nano-does-not-with-sonar-where-gigablox-does/372 "2025-11-05T15:43:57Z")
– Copied from customer question – We use a range of your products in our systems and have noticed a difference between the behaviour of the Gigablox Nano Switch and the Small Gibabit Switch. We are using it with a sona… --- ## [Corrected datasheet for MJT52-G8182110XX RJ45 jack (GigaBlox Nano)](https://forum.botblox.org/t/corrected-datasheet-for-mjt52-g8182110xx-rj45-jack-gigablox-nano/493)
**Author:** [@josh\_elijah](https://forum.botblox.org/u/josh_elijah)\ **Replies:** 0\ **Last updated:** [October 8, 2025, 7:37pm UTC](https://forum.botblox.org/t/corrected-datasheet-for-mjt52-g8182110xx-rj45-jack-gigablox-nano/493 "2025-10-08T19:37:05Z")
We noticed that the datasheet for the RJ45 magnetic jack (part number MJT52‑G8182110XX) available online from Wayconn contains incorrect information. These inaccuracies caused issues in our first board revision. If you’… --- ## [Questions about GigaBlox Nano + Nano RJCon setup](https://forum.botblox.org/t/questions-about-gigablox-nano-nano-rjcon-setup/474)
**Author:** [@botblox\_admin](https://forum.botblox.org/u/botblox_admin)\ **Replies:** 1\ **Last updated:** [August 27, 2025, 4:46pm UTC](https://forum.botblox.org/t/questions-about-gigablox-nano-nano-rjcon-setup/474 "2025-08-27T16:46:54Z")
Can you please answer our following questions : 1°) In the configuration GigaBlox Nano 1-inch Gigabit Ethenet switch board + Nano RJCon board, we see that each board includes a power supply connector as follows : So… --- ## [GigaBlox Nano Board to Board Standoff Height](https://forum.botblox.org/t/gigablox-nano-board-to-board-standoff-height/412)
**Author:** [@Twinie](https://forum.botblox.org/u/Twinie)\ **Replies:** 5\ **Last updated:** [July 20, 2025, 3:16am UTC](https://forum.botblox.org/t/gigablox-nano-board-to-board-standoff-height/412 "2025-07-20T03:16:21Z")
I’m mounting the GigaBlox Nano on our carrier board witht the Razor connector but it’s not quite clear what the propoer standoff height board to board should be. I tried looking a the GigaBlox Nano Pico Con to see if th… --- ## [How do I mount GigaBlox nano into an enclosure](https://forum.botblox.org/t/how-do-i-mount-gigablox-nano-into-an-enclosure/454)
**Author:** [@botblox\_admin](https://forum.botblox.org/u/botblox_admin)\ **Replies:** 3\ **Last updated:** [July 18, 2025, 5:08pm UTC](https://forum.botblox.org/t/how-do-i-mount-gigablox-nano-into-an-enclosure/454 "2025-07-18T17:08:05Z")
I am looking at the GigaBlox Nano – 1 Inch GigaBit Ethernet Switch paired with the RJConn. I wanted to ask what is the recommended method of mounting these two PCB’s into an enclosure? It appears after mounting together … --- ## [PTP on BotBlox Hardware](https://forum.botblox.org/t/ptp-on-botblox-hardware/110)
**Author:** [@botblox\_admin](https://forum.botblox.org/u/botblox_admin)\ **Replies:** 19\ **Last updated:** [May 14, 2025, 10:54pm UTC](https://forum.botblox.org/t/ptp-on-botblox-hardware/110 "2025-05-14T22:54:22Z")
– Copied from customer query – I am looking for a switch with a similar form factor to BB-GGN-A-1, but it must support PTP (Precision Time Protocol, IEEE1588). I only see that feature listed on your larger devices. --- ## [Suggested termination for a non used port](https://forum.botblox.org/t/suggested-termination-for-a-non-used-port/384)
**Author:** [@Hsherkat](https://forum.botblox.org/u/Hsherkat)\ **Replies:** 1\ **Last updated:** [February 19, 2025, 5:41pm UTC](https://forum.botblox.org/t/suggested-termination-for-a-non-used-port/384 "2025-02-19T17:41:33Z")
I am considering of integrating GigaBlox Nano into a custom carrier board based on the provided schematic for GIGABLOX NANO RJConn. But I only need three ports. I am using the RJ45 connectors with magnetics. So I wonder … --- ## [GigaBlox Nano – 1 Inch GigaBit Ethernet Switch](https://forum.botblox.org/t/gigablox-nano-1-inch-gigabit-ethernet-switch/361)
**Author:** [@JohnP](https://forum.botblox.org/u/JohnP)\ **Replies:** 3\ **Last updated:** [January 7, 2025, 3:08pm UTC](https://forum.botblox.org/t/gigablox-nano-1-inch-gigabit-ethernet-switch/361 "2025-01-07T15:08:54Z")
I am looking to use the GigaBlox Nano in a product we manufacture. I see in the description there is a reference to not exceeding a 1 Meter cable length. Our application would have on channel with a 3 Meter will this wor… --- ## [What are the packet buffer sizes on all your boards?](https://forum.botblox.org/t/what-are-the-packet-buffer-sizes-on-all-your-boards/356)
**Author:** [@botblox\_admin](https://forum.botblox.org/u/botblox_admin)\ **Replies:** 1\ **Last updated:** [November 29, 2024, 5:07am UTC](https://forum.botblox.org/t/what-are-the-packet-buffer-sizes-on-all-your-boards/356 "2024-11-29T05:07:36Z")
– Copied from customer query – What’s the size of the packet buffer on all your boards? --- ## [Which BotBlox Hardware is transformerless?](https://forum.botblox.org/t/which-botblox-hardware-is-transformerless/345)
**Author:** [@botblox\_admin](https://forum.botblox.org/u/botblox_admin)\ **Replies:** 1\ **Last updated:** [November 11, 2024, 9:15pm UTC](https://forum.botblox.org/t/which-botblox-hardware-is-transformerless/345 "2024-11-11T21:15:41Z")
– Copied from customer query – hi, before im ordering i saw in the GigaBlox Nano description a section about Transformerless Ethernet and how they don’t work well in systems without common ground. does this also apply … --- ## [I'm seeing a solid red LED on GigaBlox Nano with a 5 meter cable](https://forum.botblox.org/t/im-seeing-a-solid-red-led-on-gigablox-nano-with-a-5-meter-cable/332)
**Author:** [@botblox\_admin](https://forum.botblox.org/u/botblox_admin)\ **Replies:** 5\ **Last updated:** [October 30, 2024, 9:43am UTC](https://forum.botblox.org/t/im-seeing-a-solid-red-led-on-gigablox-nano-with-a-5-meter-cable/332 "2024-10-30T09:43:10Z")
– Copied from customer email – I have a question regarding the GigaBlox Nano. You mentioned that it uses transformerless Ethernet. My understanding is that with transformerless Ethernet, when connecting a long LAN cable… --- ## [General questions about integrating GigaBlox Nano](https://forum.botblox.org/t/general-questions-about-integrating-gigablox-nano/316)
**Author:** [@botblox\_admin](https://forum.botblox.org/u/botblox_admin)\ **Replies:** 9\ **Last updated:** [October 1, 2024, 12:58pm UTC](https://forum.botblox.org/t/general-questions-about-integrating-gigablox-nano/316 "2024-10-01T12:58:33Z")
– Copied from customer email – I want to use GigaBlox Nano in my board. I plan to add standard magnetics to interface with traditional ethernet devices. I’m familiar with typical PHY topologies, but without knowing abou… --- ## [GigaBlox Nano footprint on SnapEDA is wrong?](https://forum.botblox.org/t/gigablox-nano-footprint-on-snapeda-is-wrong/305)
**Author:** [@botblox\_admin](https://forum.botblox.org/u/botblox_admin)\ **Replies:** 1\ **Last updated:** [September 12, 2024, 11:44pm UTC](https://forum.botblox.org/t/gigablox-nano-footprint-on-snapeda-is-wrong/305 "2024-09-12T23:44:49Z")
– Copied from customer email – I just downloaded the library part from snapeda for the GigaBlox Nano. The pinout in the library part compared to the pinout table in the datasheet is off-by-one for every pin. Is that a k… --- ## [What is the rise/fall time of different speeds on GigaBlox Nano?](https://forum.botblox.org/t/what-is-the-rise-fall-time-of-different-speeds-on-gigablox-nano/302)
**Author:** [@botblox\_admin](https://forum.botblox.org/u/botblox_admin)\ **Replies:** 2\ **Last updated:** [September 10, 2024, 1:11pm UTC](https://forum.botblox.org/t/what-is-the-rise-fall-time-of-different-speeds-on-gigablox-nano/302 "2024-09-10T13:11:00Z")
– Copied from customer query – When using the gigablox nano at reduced speeds 10M/100M, does the IC also automatically slow down the rise/fall times? I’d like to reduce the EMI on my board and gigabit spec for rise/fall… --- ## [Daisy chaining/series connection of multiple GigaBlox Nano](https://forum.botblox.org/t/daisy-chaining-series-connection-of-multiple-gigablox-nano/286)
**Author:** [@petrepa](https://forum.botblox.org/u/petrepa)\ **Replies:** 3\ **Last updated:** [September 5, 2024, 11:19am UTC](https://forum.botblox.org/t/daisy-chaining-series-connection-of-multiple-gigablox-nano/286 "2024-09-05T11:19:13Z")
Is daisy chaining/series connection of for example two Nanos recommended? Meaning WAN into one nano, then another connection to the other nano. This would essentially leave us with 5 usable ports in the system, right? --- ## [Weights of GigaBlox Nano and GigaBlox](https://forum.botblox.org/t/weights-of-gigablox-nano-and-gigablox/287)
**Author:** [@petrepa](https://forum.botblox.org/u/petrepa)\ **Replies:** 1\ **Last updated:** [August 22, 2024, 11:01am UTC](https://forum.botblox.org/t/weights-of-gigablox-nano-and-gigablox/287 "2024-08-22T11:01:22Z")
Is the weight of the Nano really 18 grams as per the datasheet? I see you list the Gigablox Small to also be 18 grams, but this is much bigger and looks to have more large components and such. Is 18 grams correct for bot… --- ## [Cooling recommendations for GigaBlox Nano](https://forum.botblox.org/t/cooling-recommendations-for-gigablox-nano/285)
**Author:** [@petrepa](https://forum.botblox.org/u/petrepa)\ **Replies:** 1\ **Last updated:** [August 22, 2024, 10:42am UTC](https://forum.botblox.org/t/cooling-recommendations-for-gigablox-nano/285 "2024-08-22T10:42:37Z")
Any specific cooling recommendations for the Gigablox Nano? The same report as you provided for the Gigablox Small would be greatly appreciated: Which chip gets hottest on GigaBlox? - #2 by josh-elijah --- ## [Powering Gigablox/nano switch with PoE](https://forum.botblox.org/t/powering-gigablox-nano-switch-with-poe/274)
**Author:** [@maxvarney](https://forum.botblox.org/u/maxvarney)\ **Replies:** 2\ **Last updated:** [August 20, 2024, 6:08am UTC](https://forum.botblox.org/t/powering-gigablox-nano-switch-with-poe/274 "2024-08-20T06:08:38Z")
I’m trying to put a switch in a relatively remote location to network devices that have their own power supplies, but don’t want to have to run power with the network cable/break out the existing supplies. A fast or giga… --- ## [Intermittent connectivity issues with gigabit nano](https://forum.botblox.org/t/intermittent-connectivity-issues-with-gigabit-nano/267)
**Author:** [@Ryan](https://forum.botblox.org/u/Ryan)\ **Replies:** 7\ **Last updated:** [August 3, 2024, 3:19pm UTC](https://forum.botblox.org/t/intermittent-connectivity-issues-with-gigabit-nano/267 "2024-08-03T15:19:43Z")
Architecture and problem: I have a custom pcb that integrates 5 usb devices using 5 LAN7500 USB-\> Ethernet converters. One for each device. I’m using 2 gigabit nanos transformerless switches to connect all the devices t… [Next page](https://forum.botblox.org/tag/gigablox-nano/11.md?match_all_tags=true&page=1&tags%5B%5D=gigablox-nano)