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Hack GPON 🏳️‍🌈

Hardware Specifications

   
Vendor/Brand Nokia
Model G-010G-Q
ODM CIG
ODM Product Code G-97C
Chipset Realtek RTL9601B
Flash 16 MB (Winbond W25Q128JV 3V SPI)
RAM DDR2 325MHz
System Linux (Luna SDK 1.9.0)
2.5GBaseT No
Optics SC/APC
IP address 192.168.100.1
Web Gui (HTTP) ✅ Port 80 (⚠️ only available when the PON connection IS NOT estabilished)
Web Gui (HTTPS) ✅ Port 443 NO SSL SUPPORT
Web Gui Default Login user admin password 1234
SSH  
Telnet ✅ user ONTUSER, but has access to GponSLID and not GponCLI
Serial ✅
Serial baud 115200
Serial encoding 8-N-1
Form Factor ONT
G-010G-Q
Nokia G-010G-Q

List of software versions

  • 3FE49494AOCK21

List of partitions

dev size erasesize name
mtd0 00080000 00010000 “Boot”
mtd1 00180000 00010000 “Config”
mtd2 00700000 00010000 “ImageA”
mtd3 00700000 00010000 “ImageB”

This ONT seems to support dual boot (notice partitions “ImageA” and “ImageB”), however this has not been tested.

Serial

G-010G-Q
G-010G-Q: serial pinout

You can easily communicate with the ONT using a TTL converter (for example the CH341A programmer in TTL mode) by connecting the converters’ pins to the ONT following the pinout shown in the image above

You don’t actually need the two VCC pins, just use TX/RX and GND

Make sure the logic of your TTL converter is 3V3 too otherwise you might damage the ONT, in my case I wasn’t sure whether the CH341A programmer used 3V3 logic for the TTL part so I set up a voltage divider made of 2 resistors between the TX pin and ground as shown in the image below.

Also make sure that your TTL converter RX pin voltage threshold is less than (or equal to) 3V3

G-010G-Q
G-010G-Q: simple serial level converter

Once you’ve done all that, you can use the TTY client you wish, such as PuTTY, set its baud rate to 115200 and open the connection, then you can start the ONT

You’ll see a shell-like prompt:

ONT>

Usage

Login and enable

Once you’re logged in, a custom menu will be shown and you’ll be able to access the linux shell by first typing system followed by shell:

ONT>enable
#ONT>login
User name:ONTUSER
Password: ****

The enable password can be generated using the following form:

Please provide a valid GPON S/N.

Access Full Shell

To access a complete linux shell just type:

#ONT>system
#ONT/system>shell

To exit the shell and reach the parent menu type exit or x, in each menu the help command will show how to use the shell

GPON ONU status

Get the operational status of the ONU 

#ONT>traffic
#ONT/system>pon
#ONT/system/pon>show link

 ----------------- LINK STATE -----------------
 Link State:              ACTIVE
 Operation State Machine: OPERATION (O5)
 ----------------- STATE  END -----------------

Querying a particular OMCI ME 

#ONT>system
#ONT/system>mib
#ONT/system/mib>show 256
Table Ontg, Ont-g, total 1 instances

EntityID                  = 0x0000
VID                       = "ALCL"
Version                   = AA BB CC DD EE FF 11 22 33 44 55 66 00 00
SerialNum                 = AA BB CC DD EE FF 11 22
TraffMgtOpt               = 0
AtmCCOpt                  = 0
BatteryBack               = 1
AdminState                = 0
OpState                   = 0
OnuSurvivalTime           = 0
Loid                      = ""
Password                  = ""
AuthState                 = 0
OntState                  = 1

GPON/OMCI settings

Committing changes to the OMCI MIB tables for GPON operation 

#ONT>system
#ONT/system>mib
#ONT/system/mib>reset

Getting/Setting ONU GPON Serial Number 

#ONT>system
#ONT/system>misc
#ONT/system/misc>eqsn set "ALCL00000001"
---ATECMDRESULT--- OK
#ONT/system/misc>eqsn get
eqsn: ALCL00000001
---ATECMDRESULT--- OK

Getting/Setting PLOAM 

#ONT>system
#ONT/system>misc
#ONT/system/misc>pon_passwd set "123456789"
---ATECMDRESULT--- OK
#ONT/system/misc>pon_passwd get
pon_passwd: 31323334353637383900
---ATECMDRESULT--- OK
#ONT/system/misc>register_id set "123456789"
---ATECMDRESULT--- OK
#ONT/system/misc>register_id get
pon_passwd: 31323334353637383900
---ATECMDRESULT--- OK

Setting OMCI software version (ME 7)

The following must be typed from the standard linux shell:

# echo SWVER=3FE49337AOCK80 > /mnt/rwdir/sys.cfg

Getting/Setting OMCI hardware version (ME 256) 

#ONT>system
#ONT/system>misc
#ONT/system/misc>eqvid get
eqvid: 3FE45458ABAA06
hex_eqvid: 0x3346453435343538414241413036
---ATECMDRESULT--- OK
#ONT/system/misc>eqvid set "YOUR_CUSTOM_VID"

Getting/Setting OMCI vendor ID (ME 256) 

#ONT>system
#ONT/system>misc
#ONT/system/misc>vendor get
vendor: ALCL
---ATECMDRESULT--- OK
#ONT/system/misc>vendor set "ALCL"
---ATECMDRESULT--- OK

Getting/Setting OMCI equipment ID (ME 257) 

#ONT>system
#ONT/system>misc
#ONT/system/misc>eqid set "YOUR_CUSTOM_EQUID"
---ATECMDRESULT--- OK
#ONT/system/misc>eqid get
eqid: YOUR_CUSTOM_EQUID
hex_eqid: 0x594F55525F435553544F4D5F4551554944000000000000
---ATECMDRESULT--- OK

Advanced settings

Setting management IP 

#ONT>system
#ONT/system>misc
#ONT/system/misc>admin_ip get
admin_ip: 192.168.100.1
---ATECMDRESULT--- OK
#ONT/system/misc>admin_ip set 192.168.1.1
#ONT/system/misc>admin_mask get
admin_mask: 255.255.255.0
---ATECMDRESULT--- OK
#ONT/system/misc>admin_mask set 255.255.255.0

Miscellaneous Links

  • MIB file parser for NOKIA’s GPON ONTs (helps you parsing the .mib file located in /mnt/rwdir)