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Brenda Streiff 97ae6bf1d3 Document the '2M-PCB23-V2.2' PCB

Sold as "keepLINK KP-9000-9XHML-X". This is different from the other, "V3.1"
version of the "keepLINK KP-9000-9XHML-X".

2026-04-04 11:40:03 -05:00

9.0 KiB

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2M-PCB23-V2.2

Brands

Brand	Type	Managed	PCB	Flash	Chip RTL
keepLINK	KP-9000-9XHML-X	Yes	2M-PCB23-V2.2	2M	8373 + 8224

PCB

Port overview

┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
│                                                                                                       ┌──────────┐          │
│     ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐   │ SFP(J13) │          │
│     │  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

J13, SFP connector

SFP Pin	Signal	GPIO	Notes
2	TX_FAULT	??
3	TX_DISABLE	??
4	MODDEF2 – SDA	GPIO39
5	MODDEF1 – SCL	GPIO40
6	MODDEF0 – PRESENT	GPIO30	"OE Exist" reported by `fiber`
7	RATE SEL	??
8	LOS	GPIO37	"OE LOS" reported by `fiber`
9	TO?	??

T5, serial console

pin	GPIO	Signal
1	GPIO32	U0RXD (Input)
2	GND	Ground
3	GPIO31	U0TXD (Output)

S1, unknown connector

pin	GPIO	Signal
1	???
x
3	???
4	???
5	???

Potentially slave interface or SMI.

U7, flash memory

Flash chip is FM25Q16A.

Reset button

GPIO54

Register values

As probed with regget on stock firmware "V1.6".

Model

Name	Addr	Value
MODEL_NAME_INFO	0x0004	0x83730000
CHIP_MODE_INFO	0x0008	0x00008000
CHIP_INFO	0x000C	0x00300000

GPIO

Name	Addr	Value
GPIO_OUT0	0x003c	0x10000000
GPIO_OUT1	0x0040	0x00000010
GPIO_OE0	0x004c	0x10000000
GPIO_OE1	0x0050	0x00000010
BOND_INFO	0x7f60	0x00000fff
STRAP_INFO	0x7f64	0x0002f515
IO_DRVING_0	0x7f68	0x00000000
IO_DRVING_1	0x7f6c	0x00000000
IO_DRVING_2	0x7f70	0x00000000
IO_SLEW_0	0x7f74	0x00000000
IO_SLEW_1	0x7f78	0x00000000
IO_SLEW_2	0x7f7c	0x00000000
IO_SMT_EN_0	0x7f80	0xffffffff
IO_SMT_EN_1	0x7f84	0xffffffff
IO_SMT_EN_2	0x7f88	0x0003ffff
IO_MUX_SEL_0	0x7f8c	0x28000000
IO_MUX_SEL_1	0x7f90	0x40000041
IO_MUX_SEL_2	0x7f94	0x00000000

LED

Name	Addr	Value
LED_GLB_CTRL	0x6520	0x0023e0f0
LED3_0_SET3_2_CTRL1	0x6524	0xff001400
LED3_0_SET1_0_CTRL1	0x6528	0x000f0000
LED3_2_SET3_CTRL0	0x652c	0x007f013f
LED1_0_SET3_CTRL0	0x6530	0x02000400
LED3_2_SET2_CTRL0	0x6534	0x01400141
LED1_0_SET2_CTRL0	0x6538	0x01440170
LED3_2_SET1_CTRL0	0x653c	0x18000041
LED1_0_SET1_CTRL0	0x6540	0x0044017f
LED3_2_SET0_CTRL0	0x6544	0x00000044
LED1_0_SET0_CTRL0	0x6548	0x00410175
LED_PORT_SET_SEL_CTRL	0x654c	0x00010000
SW_LED_LOAD	0x6550	0x00000000
LED_PORT_SW_EN_CTRL[0..7]	0x6554	0x00000000
LED_PORT_SW_EN_CTRL[8]	0x6558	0x00000000
LED_PORT_SW_CTRL[0]	0x655c	0x00000000
LED_PORT_SW_CTRL[1]	0x6560	0x00000000
LED_PORT_SW_CTRL[2]	0x6564	0x00000000
LED_PORT_SW_CTRL[3]	0x6568	0x00000000
LED_PORT_SW_CTRL[4]	0x656c	0x00000000
LED_PORT_SW_CTRL[5]	0x6570	0x00000000
LED_PORT_SW_CTRL[6]	0x6574	0x00000000
LED_PORT_SW_CTRL[7]	0x6578	0x00000000
LED_PORT_SW_CTRL[8]	0x657c	0x00000000
LED_LOAD_LV1_10G	0x6580	0x000fa000
LED_LOAD_LV2_10G	0x6584	0x00271000
LED_LOAD_LV3_10G	0x6588	0x004e2000
LED_LOAD_LV1_5G	0x658c	0x000fa000
LED_LOAD_LV2_5G	0x6590	0x00271000
LED_LOAD_LV3_5G	0x6594	0x004e2000
LED_LOAD_LV1_2P5G	0x6598	0x000fa000
LED_LOAD_LV2_2P5G	0x659c	0x00271000
LED_LOAD_LV3_2P5G	0x65a0	0x004e2000
LED_LOAD_LV1_1G	0x65a4	0x000fa000
LED_LOAD_LV2_1G	0x65a8	0x00271000
LED_LOAD_LV3_1G	0x65ac	0x004e2000
LED_LOAD_LV1_500M	0x65b0	0x0007d000
LED_LOAD_LV2_500M	0x65b4	0x00138800
LED_LOAD_LV3_500M	0x65b8	0x00271000
LED_LOAD_LV1_100M	0x65bc	0x00019000
LED_LOAD_LV2_100M	0x65c0	0x0003e800
LED_LOAD_LV3_100M	0x65c4	0x0007d000
LED_LOAD_LV1_10M	0x65c8	0x00002800
LED_LOAD_LV2_10M	0x65cc	0x00006400
LED_LOAD_LV3_10M	0x65d0	0x0000c800
LED_P_LOAD_CTRL	0x65d4	0x00000000
LED_GLB_ACTIVE	0x65d8	0x3ffbedff
LED_GLB_IO_EN	0x65dc	0x77ffffff
LED_GLB_MUX_1	0c65e0	0x05102040
LED_GLB_MUX_2	0x65e4	0x0c289206
LED_GLB_MUX_3	0x65e8	0x1245038d
LED_GLB_MUX_4	0x65ec	0x19616554
LED_GLB_MUX_5	0x65f0	0x2079d71a
LED_GLB_MUX_6	0x65f4	0x000238a1
LED_RLDP_CTRL_1	0x65f8	0x00000019
LED_RLDP_CTRL_2	0x65fc	0xffffffff
LED_RLDP_CTRL_3	0x6600	0x00006600
LED_DUMY_0_ADDR	0x6604	0x00000000
LED_DUMY_1_ADDR	0x6608	0x00000000

LEDs

Name	Components	Controlled by
RJ45 Right Green ("LINK/ACT")		RJ45 LED0
RJ45 Left Orange ("2.5G")		RJ45 LED1
RJ45 Left Green ("1G")		RJ45 LED2
"P" (PWR)	Top LED in "LED6" stack	probably pulled from Vcc
SFP Link ("9")	Bottom LED in "LED6" stack	SFP LED0
??	D23	SFP LED1
??	D22	SFP LED2

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