Arris CM820A

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Ultra-High Speed Cable Modem
Arris CM820A.jpg
Support
WikiDevi.wi-cat.ru
Platform
BrandModelRev
Arris CM820 A (B/C/S)
Type
cable modem
CPU1
Intel Puma DNCE2500
Flash1 Chip
Brand? Model?
Flash1 Size
16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
RAM1 Size
128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
RAM1 Chip
Brand? Model?
ETH chip1
Intel Puma DNCE2500
ETH chip2
Marvell Model?
Ethernet Port Count
1-1GbE-LAN

Ethernet OUI: 00:1D:D2, E8:3E:FC (2 E, -)

Expansion IF types
none specified
Power
115-240 VAC ~ 50/60 Hz, 0.3 A
Connector type
C7P
Flags
DOCSIS 3.0
Categorized as
not categorized
Other
Default IP address
???.???.???.???
Retail
Availability Comcast
(Est.) release date 30 June 2012
UPC 726947110717
(UPC DB, On eBay)
ASIN B008GG78FU Flag of the United States.svg

For a list of all currently documented Intel Puma SoC's with specifications, see Intel Puma.
For a list of all currently documented Marvell chipsets with specifications, see Marvell.

Overview

  • DOCSIS 3.0 8x4 (8-downstream, 4-upstream)

Variants

  • CM820A - DOCSIS 3.0 (Comcast)
  • CM820B / CM820S - EuroDOCSIS 3.0 / DOCSIS 3.0
  • CM820C - DOCSIS 3.0 (Japanese)

There would appear to be multiple revisions of this device.

Some seem have a polarized power connector (C7P),
others have a non-polarized Fig-8 connector (C7).

Likely compatible services

Links of Interest

News

CPU: Intel Puma DNCE2500 (DNCE25xx)

Flashing

Upgrading

Reverting

JTAG-Serial Info

USB Info

vlan Info

Pictures

Notes

Hardware Modification

See also