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How to clone a modem and download certificate from an online modem?
cablemodem Offline
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#1
How to clone a modem and download certificate from an online modem?
Hi,

I have spectrum internet. I use arris sb6141 modem. I want to clone another modem. How to clone it? My modem is online. How to download the certificate from the online modem? How to upload the certificate to my 2nd modem? How to upload config file to my modem? How to uncap my modem speed?

Thanks,
07-03-2018, 06:06 AM
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occalifornia Offline
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#2
RE: How to clone a modem and download certificate from an online modem?
Buy a USBJTAG programmer and use it to clone your modem. Now you have a modem for testing / backup! Smile
Want to help mitigate Theft of Service to this great hobby? Go to the Theft of Service Postings Thread, Cool

Disclaimer: My comments are for legitimate diagnostics and testing ONLY.
07-03-2018, 07:52 AM
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Techexp Offline
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#3
RE: How to clone a modem and download certificate from an online modem?
(07-03-2018, 07:52 AM)occalifornia Wrote: Buy a USBJTAG programmer and use it to clone your modem. Now you have a modem for testing / backup! Smile

how to i clone the modem with a usbjtag programmer please
08-04-2018, 03:22 AM
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modembricker Offline
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#4
RE: How to clone a modem and download certificate from an online modem?
(08-04-2018, 03:22 AM)Techexp Wrote:
(07-03-2018, 07:52 AM)occalifornia Wrote: Buy a USBJTAG programmer and use it to clone your modem. Now you have a modem for testing / backup! Smile

how to i clone the modem with a usbjtag programmer please

Hook the jtag to your modem, press "read", then "save", then hook other modem up and press "write"
09-04-2018, 02:35 PM
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Techexp Offline
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#5
RE: How to clone a modem and download certificate from an online modem?
(09-04-2018, 02:35 PM)modembricker Wrote:
(08-04-2018, 03:22 AM)Techexp Wrote:
(07-03-2018, 07:52 AM)occalifornia Wrote: Buy a USBJTAG programmer and use it to clone your modem. Now you have a modem for testing / backup! Smile

how to i clone the modem with a usbjtag programmer please

Hook the jtag to your modem, press "read", then "save", then hook other modem up and press "write"

Thanks got a usjtag nt on the way as well as a test clip.
14-04-2018, 01:53 PM
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ricktendo Offline
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#6
RE: How to clone a modem and download certificate from an online modem?
Best to use a 3.3v external power source (like a usb to serial board) instead of the ISP Pin method, or get a FlashcatUSB Classic v2.2 instead of a USBJTAG because it does not need external power
14-04-2018, 03:26 PM
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Techexp Offline
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#7
RE: How to clone a modem and download certificate from an online modem?
(14-04-2018, 03:26 PM)ricktendo Wrote: Best to use a 3.3v external power source (like a usb to serial board) instead of the ISP Pin method, or get a FlashcatUSB Classic v2.2 instead of a USBJTAG because it does not need external power

i already have the test clip and the usbjtag nt on the way. forgot about the external power. what can i use now to get that external power for the board. and also where do i get the flashcatusb classic v2.2? just incase thanks
14-04-2018, 07:00 PM
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ricktendo Offline
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#8
RE: How to clone a modem and download certificate from an online modem?
You can purchase a FCUSB straight from the manufacturer, the VCC pin will self power the chip and the latest v2.2 has increased power for "in circuit" flash programming (also has external power pins you can solder on so that you can use to power the usbjtag)

http://www.embeddedcomputers.net/products/FlashcatUSB/

http://www.blackcatusb.net/index.php?thr...b-2-2.456/
14-04-2018, 07:29 PM
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Techexp Offline
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#9
RE: How to clone a modem and download certificate from an online modem?
(14-04-2018, 07:29 PM)ricktendo Wrote: You can purchase a FCUSB straight from the manufacturer, the VCC pin will self power the chip and the latest v2.2 has increased power for "in circuit" flash programming (also has external power pins you can solder on so that you can use to power the usbjtag)

http://www.embeddedcomputers.net/products/FlashcatUSB/

http://www.blackcatusb.net/index.php?thr...b-2-2.456/

Which one is better. I see different model numbers.
(This post was last modified: 14-04-2018, 10:55 PM by Techexp.)
14-04-2018, 07:36 PM
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ricktendo Offline
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#10
RE: How to clone a modem and download certificate from an online modem?
(14-04-2018, 07:36 PM)Techexp Wrote:
(14-04-2018, 07:29 PM)ricktendo Wrote: You can purchase a FCUSB straight from the manufacturer, the VCC pin will self power the chip and the latest v2.2 has increased power for "in circuit" flash programming (also has external power pins you can solder on so that you can use to power the usbjtag)

http://www.embeddedcomputers.net/products/FlashcatUSB/

http://www.blackcatusb.net/index.php?thr...b-2-2.456/

Which one is better. I see different model numbers.
The first one on the list FCUSB2X, the others are just meant for one single type of flash chip.
15-04-2018, 06:20 AM
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