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Update Keeplink KP-9000-9XHML-X docs.

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René van Dorst
2026-02-11 19:19:38 +01:00
parent f538a9344b
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doc/devices/2M-PCB23-V3_1.md
+54 -26
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@@ -5,13 +5,30 @@
|---|---|---|---|---|---| |---|---|---|---|---|---|
| keepLINK | KP-9000-9XHML-X | Yes| 2M-PCB23-V3.1 | 2M| 8273N + 8224N | | keepLINK | KP-9000-9XHML-X | Yes| 2M-PCB23-V3.1 | 2M| 8273N + 8224N |
## PCB
<img src="photos/2M-PCB23-V3.1-managed/2M-PCB23-V3.1-top.jpeg" width="300" />
## Port overview
```
┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
│ ┌──────────┐ │
│ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ │ SFP (J4) │ │
│ │ RJ45 │ │ RJ45 │ │ RJ45 │ │ RJ45 │ │ RJ45 │ │ RJ45 │ │ RJ45 │ │ RJ45 │ │ PORT 9 │ │
│ │ PORT 1 │ │ PORT 2 │ │ PORT 3 │ │ PORT 4 │ │ PORT 5 │ │ PORT 6 │ │ PORT 7 │ │ PORT 8 │ │ MAC 8 │ O (PWR) │
│ O │ MAC 0 │ │ MAC 1 │ │ MAC 2 │ │ MAC 3 │ │ MAC 4 │ │ MAC 5 │ │ MAC 6 │ │ MAC 7 │ │ SerDes 1 │ O (SFP) │
│ RST └─────────┘ └─────────┘ └─────────┘ └─────────┘ └─────────┘ └─────────┘ └─────────┘ └─────────┘ └──────────┘ │
└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
```
# Connectors # Connectors
|`J4` SFP PINs | Signal | Component | GPIO | Notes | |`J4` SFP PINs | Signal | Component | GPIO | Notes |
|---|---|---|---|---| |---|---|---|---|---|
|2| TX_FAULT | | --- | | |2| TX_FAULT | | --- | |
|3| TX_DISABLE | | --- | Pull down - 0R | |3| TX_DISABLE | | --- | Pull down - 0R |
|4| MODDEF2 – SDA | b-r273 | GPIO39 | | |4| MODDEF2 – SDA | b-r273 | GPIO39-SDA4 | |
|5| MODDEF1 – SCL | b-r274 | GPIO40 | | |5| MODDEF1 – SCL | b-r274 | GPIO40-SCL3 | |
|6| MODDEF0 – PRESENT | B-R275 | GPIO38 | | |6| MODDEF0 – PRESENT | B-R275 | GPIO38 | |
|7| RATE SEL | | --- | | |7| RATE SEL | | --- | |
|8| LOS | B-R276 | GPIO38 | | |8| LOS | B-R276 | GPIO38 | |
@@ -31,15 +48,26 @@ Note: component numbering `<L>-<REFDES>-<SIDE>`
| 3 | GPIO32 | U0RXD (Input) | | 3 | GPIO32 | U0RXD (Input) |
| 4 | 3V3 | PWR | | 4 | 3V3 | PWR |
### T7 ### T7, Slave Interface
|`T7` pin|what|Signal| |`T7` pin|what|Signal|Components|
|---|---|---| |---|---|---|---|
| 1 | GPIO | | | 1 | Slave Interface | Slave SCK/SCL/MDC/EE_SCL | U7-6 |
| 2 | GND | | | 2 | GND | | |
| 3 | GPIO | | | 3 | Slave Interface | Slave SDI/SDA/MDIO/EE_SDA | U7-5 |
| 4 | 3V3 | | | 4 | 3V3 | | |
| 5 | GPIO | | | 5 | GPIO? | | |
| 6 | GPIO | | | 6 | GPIO? | | |
`U7` can be a standard I2C eeprom memory, like `24LC32`.
The Slave Interface allows an extenal host to controll the SOC even if the internal MCU is used.
Depending on the `IF_SEL` bootstrap resistors, this can me `I2C`, `SPI` or `SMI`.
On this device it is `I2C` on address `0b1011100` or `0x5c` (7-bit notation).
* I2c Read: must be a write_read opperation `<Dev-ADDR><RegAddr15:8><RegAddr7:0>` `<DevAddr><Data7:0><Data15:8><Data23:16><Data31:24>`.
* I2c Write: `<Dev-ADDR><RegAddr15:8><RegAddr7:0><DevAddr><Data7:0><Data15:8><Data23:16><Data31:24>`.
Example register `0x0004` return chip id `0x00, 0x00, 0x72, 0x83` = `0x83720000`.
### T9 ### T9
|`T9` SMI | Signal | Component | GPIO | Notes | |`T9` SMI | Signal | Component | GPIO | Notes |
@@ -67,23 +95,23 @@ Reset-line found at `T-D6-L`, `T-R83`, `T-R97`, `T-R94`, `T-R93` active-low.
| HEX VAL. | GPIO | Component | What | | GPIO | Component | What | | HEX VAL. | GPIO | Component | What | | GPIO | Component | What |
| -------- | ------ | ---- | ---- | ---- | ---- | ---- | ---- | | -------- | ------ | ---- | ---- | ---- | ---- | ---- | ---- |
| 00000001 | GPIO00 | T-R34-R, P1-LED-YL |? | | GPIO32 | B-r126-r | U0RXD | | 00000001 | GPIO00 | T-R34-R, P1-LED-YL |? | | GPIO32 | B-r126-r | U0RXD |
| 00000002 | GPIO01 | T-R99-R, P1-LED-GR |? | | GPIO33 | | | | 00000002 | GPIO01 | T-R99-R, P1-LED-GR |? | | GPIO33 | | |
| 00000004 | GPIO02 | |? | | GPIO34 | B-R172, To RTL8225 | Already driver HIGH INT? | | 00000004 | GPIO02 | |? | | GPIO34 | B-R172, To RTL8224 | SMI-MDC0 |
| 00000008 | GPIO03 | T-R113-R, P2-LED-GR |? | | GPIO35 | B-R173, To RTL8225 | Easy to pulldown Reset? | | 00000008 | GPIO03 | T-R113-R, P2-LED-GR |? | | GPIO35 | B-R173, To RTL8224 | SMI-MDIO0 |
| 00000010 | GPIO04 | T-R115-R, P3-LED-YL |? | | GPIO36 || | | | 00000010 | GPIO04 | T-R115-R, P3-LED-YL |? | | GPIO36 | | | |
| 00000020 | GPIO05 | T-R117-R, P3-LED-GR |? | | GPIO37 | To RTL8225 | Already driver low I2C-SCL? | | | 00000020 | GPIO05 | T-R117-R, P3-LED-GR |? | | GPIO37 | To RTL8224 ?? | Already driver low | |
| 00000040 | GPIO06 | |? | | GPIO38 | sfp-6 via B-R275, sfp-8 via B-R276 | | | 00000040 | GPIO06 | |? | | GPIO38 | sfp-6 via B-R275, sfp-8 via B-R276 | SFP-PRESENT |
| 00000080 | GPIO07 | |? | | GPIO39 | sfp-4, b-r273, B-r143 | | | 00000080 | GPIO07 | |? | | GPIO39 | sfp-4, b-r273, B-r143 | I2C4-SDA |
| 00000100 | GPIO08 | | | | GPIO40 | T9-2, sfp-5 b-r274, B-r146 | SMI-MDC | | 00000100 | GPIO08 | | | | GPIO40 | T9-2, sfp-5 b-r274, B-r146 | I2C3-SCL |
| 00000200 | GPIO09 | |LEDx[^1] | | GPIO41 | T9-1, | SMI-MDO , B-r143 | | 00000200 | GPIO09 | |LEDx[^1] | | GPIO41 | T9-1, B-r143 | | I2C3-SDA (Unused) |
| 00000400 | GPIO10 | | | | GPIO42 | U6?8?-P6, T-R | SPI-MEMORY, CLK | | 00000400 | GPIO10 | | | | GPIO42 | U6?8?-P6, T-R | SPI-MEMORY, CLK |
| 00000800 | GPIO11 | |LEDx[^1] | | GPIO43 | U6?8?-P5, T-R | SPI-MEMORY, DI,IO0 | | 00000800 | GPIO11 | |LEDx[^1] | | GPIO43 | U6?8?-P5, T-R | SPI-MEMORY, DI,IO0 |
| 00001000 | GPIO12 | |LEDx[^1] | | GPIO44 | U6?8?-P2, T-R | SPI-MEMORY, DO,IO1 | | 00001000 | GPIO12 | |LEDx[^1] | | GPIO44 | U6?8?-P2, T-R | SPI-MEMORY, DO,IO1 |
| 00002000 | GPIO13 | |LEDx[^1] | | GPIO45 | U6?8?-P1, T-R | SPI-MEMORY, CS | | 00002000 | GPIO13 | |LEDx[^1] | | GPIO45 | U6?8?-P1, T-R | SPI-MEMORY, CS |
| 00004000 | GPIO14 | |LEDx[^1] | | GPIO46 | T10-6 | | | 00004000 | GPIO14 | |LEDx[^1] | | GPIO46 | T10-6 | SPI0-SCK |
| 00008000 | GPIO15 | |LEDx[^1] | | GPIO47 | T10-2 | | | 00008000 | GPIO15 | |LEDx[^1] | | GPIO47 | T10-2 | SPI0-SDA |
| 00010000 | GPIO16 | |LEDx[^1] | | GPIO48 | T10-4, J6 (BUTTON RESET) | | | 00010000 | GPIO16 | |LEDx[^1] | | GPIO48 | T10-4, J6 (BUTTON RESET) | SPI1-SCK |
| 00020000 | GPIO17 | |LEDx[^1] | | GPIO49 | T10-1 | | | 00020000 | GPIO17 | |LEDx[^1] | | GPIO49 | T10-1 | SPI1-SDA |
| 00040000 | GPIO18 | |LEDx[^1] | | GPIO50 | | | | 00040000 | GPIO18 | |LEDx[^1] | | GPIO50 | | |
| 00080000 | GPIO19 | |LEDx[^1] | | GPIO51 | | | | 00080000 | GPIO19 | |LEDx[^1] | | GPIO51 | | |
| 00100000 | GPIO20 | |LEDx[^1] | | GPIO52 | | | | 00100000 | GPIO20 | |LEDx[^1] | | GPIO52 | | |
@@ -96,8 +124,8 @@ Reset-line found at `T-D6-L`, `T-R83`, `T-R97`, `T-R94`, `T-R93` active-low.
| 08000000 | GPIO27 | |? | | GPIO59 | | | | 08000000 | GPIO27 | |? | | GPIO59 | | |
| 10000000 | GPIO28 | | | | GPIO60 | | | | 10000000 | GPIO28 | | | | GPIO60 | | |
| 20000000 | GPIO29 | | | | GPIO61 | | | | 20000000 | GPIO29 | | | | GPIO61 | | |
| 40000000 | GPIO30 | |SFP-DETE | | GPIO62 | To RTL8225 | Already driver INT? | | | 40000000 | GPIO30 | RTL8224N Reset |RTL8224 | | GPIO62 | To RTL8224 | Already driver | |
| 80000000 | GPIO31 | B-r129-r? |U0TXD | | GPIO63 | | | | 80000000 | GPIO31 | B-r129-r? |U0TXD | | GPIO63 | | |
## GPIO Register Input value ## GPIO Register Input value