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title YOTC M2-2050-G40
has_children false
layout default
parent YOTC

Hardware Specifications
Vendor/Brand YOTC
Model M2-2050-G40
Chipset Realtek RTL9607C / RTL9607Cv2
Flash SPI NAND 128MB
RAM 256MB
CPU Formosa MIPS interAptiv (multi) V2.0
CPU Clock 900MHz / 1150MHz
BogoMIPS 597.60MHz / 766.77MHz
System Linux 4.4.140 (GCC Realtek MSDK-4.8.5p1 Build 3068)
Ethernet ports 2x1G
Optics SC/APC
IP address 192.168.1.1 or 192.168.8.1
Web Gui ✅ user super, password opticalink OR user User, password User
Telnet ✅ user super, password opticalink OR user User, password User
SSH NO
Serial baud 115200
Serial encoding 8-N-1
Form Factor ONT

{% include image.html file="yotc-m2-2050-g40-top.jpg" alt="YOTC M2-2050-G40 Top" caption="YOTC M2-2050-G40 Top" %} {% include image.html file="yotc-m2-2050-g40-bottom.jpg" alt="YOTC M2-2050-G40 Bottom" caption="YOTC M2-2050-G40 Bottom" %} {% include image.html file="yotc-m2-2050-g40-pcb-top.jpg" alt="YOTC M2-2050-G40 PCB Top" caption="YOTC M2-2050-G40 PCB Top" %} {% include image.html file="yotc-m2-2050-g40-pcb.jpg" alt="YOTC M2-2050-G40 PCB Bottom" caption="YOTC M2-2050-G40 PCB Bottom" %}

Serial

{% include image.html file="yotc-m2-2050-g40-ttl.jpg" alt="Serial Pinout (dont connect vcc)" caption="Serial Pinout (dont connect vcc)" %}

{% include serial_dump.html file="yotcm2-2050-g40.txt" alt="M2-2050-G40 boot dump" title="M2-2050-G40 boot dump" %}

{% include serial_dump.html file="yotcm2-2050-g40newrevision.txt" alt="M2-2050-G40 boot dump (newer revision)" title="M2-2050-G40 boot dump (newer revision)" %}

List of Software versions

  • 518_V300R02B15 (doesn't have upg_app, wget, wget_manage)
  • 518_V300R02B21
  • 518_V300R02B22
  • 518_V300R02B25
  • 518_V300R02B31

List of partitions (MTD)

dev size erasesize name
mtd0 000c0000 00020000 "boot"
mtd1 00020000 00020000 "env"
mtd2 00020000 00020000 "env2"
mtd3 00020000 00020000 "static_conf"
mtd4 07c60000 00020000 "ubi_device"
mtd5 0081d000 0001f000 "ubi_Config"
mtd6 00516000 0001f000 "ubi_k0"
mtd7 0141a000 0001f000 "ubi_r0"
mtd8 00516000 0001f000 "ubi_k1"
mtd9 0141a000 0001f000 "ubi_r1"

List of volumes (UBI)

dev size type name
ubi0_0 8507392B dynamic "ubi_Config"
ubi0_1 5332992B dynamic "ubi_k0"
ubi0_2 21078016B dynamic "ubi_r0"
ubi0_3 5332992B dynamic "ubi_k1"
ubi0_4 21078016B dynamic "ubi_r1"

To back up a volume, cat the appropriate /dev/ubi0_X device to a file or pipe, to restore a volume, use the ubiupdatevol utility.

This ONT supports dual boot.

Volumes ubi_k0 and ubi_r0 respectively contain kernel and rootfs of the first image, while ubi_k1 and ubi_r1 contain kernel and rootfs of the second one.

Useful files and binaries

Useful files

User Configuration:

/var/config/config.xml

Custom Default Configuration:

/var/config/config_custom_default.xml

Custom Configuration (on reset):

/var/config/custom_config.sh

Hardware Configuration:

/var/config/config_hs.xml

GPON/OMCI settings

Set OMCI mode to customized so versions don't reset

mib set OMCI_OLT_MODE 3

Setting OMCI software version (ME 7)

mib set OMCI_SW_VER1 YOURSWVER
mib set OMCI_SW_VER2 YOURSWVER

Setting OMCI vendor ID (ME 256)

mib set PON_VENDOR_ID VEND

Setting ONU GPON Serial Number

mib set GPON_SN VEND1234ABCD

Setting OMCI hardware version (ME 256)

mib set HW_HWVER YOURHWVER

Setting OMCC version (ME 257), only accepts decimal values.

mib set OMCC_VER 128

Setting Product Code (ME 257), only accepts decimal values.

mib set OMCI_VENDOR_PRODUCT_CODE 0

Setting OMCI equipment ID (ME 257)

mib set GPON_ONU_MODEL YOUREQUIPMENTID

Setting VEIP slot ID (example for 255), only accepts decimal values.

mib set OMCI_VEIP_SLOT_ID 255

Commit Changes.

mib commit

Verification commands for settings changed above (all settings take a reboot to apply)

Verify SwVer (ME 7)

omcicli mib get 7

Verify Vendor ID, HwVer, and G984 Serial (ME 256)

omcicli mib get 256

Verify OMCC version, Equipment ID and Product Code (ME 257)

omcicli mib get 257

Verify VEIP customized slot ID (ME 329)

omcicli mib get 329

Advanced Settings

Setting management MAC

mib set ELAN_MAC_ADDR 1A2B3C4D5E6F

Setting management IP

mib set LAN_IP_ADDR 192.168.8.1

Switch PON Mode

# GPON mode
mib set PON_MODE 1

# EPON mode
mib set PON_MODE 2

# Ethernet mode
mib set PON_MODE 3

Checking the currently active image

nv getenv sw_active

Booting to a different image

# Switch to image 0
nv setenv sw_commit 0
nv setenv sw_tryactive 0

# Switch to image 1
nv setenv sw_commit 1
nv setenv sw_tryactive 1

Cloning of image 0 into image 1

cp /dev/ubi0_1 /tmp/
cp /dev/ubi0_2 /tmp/
ubiupdatevol /dev/ubi0_3 /tmp/ubi0_1
ubiupdatevol /dev/ubi0_4 /tmp/ubi0_2

Rebooting the ONU

reboot

Enable Ethernet Ports

mib set SW_PORT_TBL.0.Enable 1
mib set SW_PORT_TBL.1.Enable 1
mib set SW_PORT_TBL.2.Enable 1
mib set SW_PORT_TBL.3.Enable 1

Enable 5GHz WiFi

mib set WLAN_MBSSIB_TBL.0.wlanDisabled 0

Teardown and other photos

{% include image.html file="yotc-m2-2050-g40-pcb-top-b21.jpg" alt="YOTC M2-2050-G40 PCB Top (newer revision with RTL9607Cv2)" caption="YOTC M2-2050-G40 PCB Top (newer revision with RTL9607Cv2)" %} {% include image.html file="yotc-m2-2050-g40-pcb-b21.jpg" alt="YOTC M2-2050-G40 PCB Bottom (newer revision with RTL9607Cv2)" caption="YOTC M2-2050-G40 PCB Bottom (newer revision with RTL9607Cv2)" %}