D-Link DSL-2750B rev T1

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bgn (N300)
ADSL2 Modem Router
D-Link-DSL-2750B-rev-T1.normal.jpg
Wikipedia D-Link
WikiDevi.wi-cat.ru D-Link DSL-2750B rev T1
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Was Supported
Tomato any flavor Status Unknown
Gargoyle Status Unknown
Platform
BrandModelRev D-Link DSL-2750B T1
FCC ID KA2SL2750UT1
US ID 3P7DL01BSL2750UT1
Type wireless router, dsl modem
CPU1 checkY Broadcom BCM63281
CPU1 Type BMIPS4350
CPU1 Speed 320 MHz
Flash1 Chip Macronix MX25L12845EMI-10G
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 64 MiB67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br />
RAM1 Chip SK hynix H5PS5162GFR-S5C
ETH chip1 Broadcom BCM63281
Switch Broadcom BCM63281
Ethernet Port Count 4-100MbE-LAN
Wired Standard IEEE 802.3i/3u

802dot11 OUI: 28:10:7B (5 E, 2 W), B8:A3:86 (7 E, 6 W), CC:B2:55 (3 E, 3 W)
Ethernet OUI: 28:10:7B (5 E, 2 W), B8:A3:86 (7 E, 6 W), CC:B2:55 (3 E, 3 W)

Stock bootloader CFE 1.0.37-110.11
Stock FW OS Linux 2.6.21.5 OpenRG
Expansion IF types USB 2.0
USB ports 1
USB Hub Compatible Untested
Power 12 VDC, 1 A
Connector type barrel
Serial Port (UART) yes, internal, 4-pin header, (115200 8N1)

Flags:
ADSL2+

Additional chips
DSL (ADSL2+) Line Driver;Broadcom;BCM6301;BROADCOM, 6301KSG, TD1122P1;1;

Other

Default SSID: 28107bXXXXXX
, b8a386XXXXXX
, ccb255XXXXXX
Default IP address: 192.168.1.1
the IP 192.168.1.1 is used by 1335 additional devices
of which 31 are D-Link devices
Default login user: admin
Default login password: randomly generated
admin:randomly generated credentials used by 28 additional devices
of which 0 are D-Link devices

Manuf/OEM/ODM SGE Gan5.CT02W
3rd Party Firmware Support OpenWrt (Was)
Retail
Availability End of Life
FCC approval date 30 September 2011
Country of manuf China
Radio 1
Chip1 Broadcom BCM43225
Wireless interface OUI 28:10:7B, B8:A3:86, CC:B2:55
Antenna Connector Type none specified
MIMO status 2x2:2
Wireless Standard IEEE 802.11b/g/n
802.11n up to 300 Mbps
802.11g up to 54 Mbps
802.11b up to 11 Mbps
WiFi Operating Frequency 2.4 GHz

For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.

For a list of all currently documented D-Link devices with specifications, see D-Link.

300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = N300 class

Overview

This modem has been used by Verizon.

"GAN5.CT02W-B_2T2R", "REV1.0", and "005SP0439640A" appears to be silkscreened on the board in the FCC photos. The default SSID pattern appears to be the MAC address (no delimiters, lower case hex letters).

Links of Interest

Reviews

Technical Data

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
OpenWrt Target: bcm63xx
OpenWrt Subtarget: generic
OpenWrt Package architecture: mips_mips32
Support started version: 17.01.0
Current supported version: EOL
Last Supported Version: 22.03.7
Unsupported Functions:
DSL modem
Comment:
Final version: 22.03.7

Please insert instructions here

JTAG-Serial Info

Serial

Serial Pinouts

The serial header is populated on this device - it is J6.

J6
(RxD) (GND) (TxD) (3.3)
Pin4  Pin3  Pin2  Pin1
        |
        /\
to WI <    > to SoC

General

The username and password (at least @ stock) would appear to be identical

to the HTTP admin ones.. which are printed on the unit's label.

The firmware used is presumably Jungo's OpenRG, or a derivative.

Derived info

/Serial info - Needs to be condensed before inclusion

Pictures

User Images