Westell VersaLink 7550 (B90-755025-15)

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multiple revisions of this device, use caution
bgn (N300)
wireless router, dsl modem
3rd Party Firmware
dd-wrt
Status Unknown
OpenWrt
Status Unknown
Tomato any flavor
Incompatible
Platform
Brand • Model • Rev
Westell Versalink 7550
Model Part Number
B90-755025-15
FCC ID
US ID
5KPDL01B755
Type
wireless router, dsl modem
CPU1
Lantiq PSB 50810
CPU1 Type
MIPS 34Kc
CPU1 Speed
333 MHz ( 2 cores )
Flash1 Chip
Spansion S29GL064N90TFI04
Flash1 Size
8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
RAM1 Size
32 MiB33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br />
RAM1 Chip
Winbond W9425G6JH-5
ETH chip1
Lantiq PSB 50810
Switch
Lantiq PSB 6970
Ethernet Port Count
4-100MbE-LAN
Wired Standard
IEEE 802.3i/3u

802dot11 OUI: 74:44:01 (7 E, 6 W)
Ethernet OUI: 74:44:01 (7 E, 6 W)

Stock bootloader
Westell ROM Bootloader 1.1.3
Stock FW OS
Linux 2.6.20.19
Expansion IF types
none specified
Power
12 VDC, 1 A
Connector type
barrel
Serial Port (UART)
yes, 4-pin header, populated, 3.3V TTL, (115200 8N1), J1
Flags:
ADSL2+
Other

Default SSID: ATTXXXX
Default IP address: 192.168.1.254
the IP 192.168.1.254 is used by 157 additional devices
of which 1 are Westell devices

Manuf/OEM/ODM
Askey RTA4515W-D27
Retail
Availability common
FCC approval date 01 April 2011
Country of manuf China
Radio 1
Chip1
Atheros AR9227
Wireless interface OUI
74:44:01
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
 CPU1 brandRadio1 chip1 brandRadio1 chip2 brand
Westell A90-9100EM15-10LantiqAtheros
Westell A90-9150V60-10LantiqAtheros
Westell C90-510030-06Texas Instruments
Westell VersaLink 7550 (B90-755025-15)LantiqAtheros

For a list of all currently documented Atheros (QCA) chipsets with specifications, see Atheros.
For a list of all currently documented Lantiq (Intel) chipsets with specifications, see Lantiq.

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

Overview

This device is a Westell 7550 (Netgear).

It was used with AT&T's DSL service.

"RTA4515W-D27(RoHS)" is silkscreened on the board.

FCC photos show a USB port, but on hand example does not have it populated.

Per this router UI screenshot, this device uses an Atheros wireless chip.

CPU: Lantiq XWAY ARX168 (PSB 50810 EL V1.2) @333MHz
Switch: Lantiq XWAY TANTOS (PSB 6970 V V1.3)
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