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Sitecom N300 WLR-4002B


Hardware Highlights

SoC Ram Flash Network USB Serial JTag
Ralink RT3883 500MHz 64MiB 8192 KiB 8×1 No Yes Yes



Architecture: MIPS 74Kc
Vendor: Sitecom
bootloader: U-Boot
System-On-Chip: Ralink RT3883
CPU/Speed 500 MHz
Flash-Chip: Macronix MX25L6405D or MX25L6406E?
Flash size: 8192 KiB
RAM: 64 MiB (Nanya NT5TU32M16DG-AC)
Ethernet: Realtek RTL8370M / 25MHz
Serial: Yes


Serial console is available on the J3 connector, 3.3V signals. Pin 1 (bottom) has a small white triangle near it. The pitch is 0.1“. The solder can be removed with a 0.8 mm drill.

4 = RxD in 3 = TxD out 2 = GND 1 = Vcc 3.3V
DO NOT CONNECT Vcc. Use only TxD, RxD and GND.

Baud Rate: 57600 Data Bits: 8 Parity : No Stop Bits: 1 Flow Control: None

Root password: lin17


JTAG is available on the J2 connector

Software (OEM)

OEM Bootlog

U-boot Ver: 2012/01/09 Board: Ralink APSoC DRAM: 64 MB spi_wait_nsec: 48 spi device id: c2 20 17 c2 20 (2017c220) find flash: MX25L6405D raspi_read: from:30000 len:1000 .raspi_read: from:30000 len:1000 .============================================ ASIC 3883_MP (MAC to GigaPHY Mode) Product Name: WLR-4002 icache: sets:512, ways:4, linesz:32 ,total:65536 dcache: sets:256, ways:4, linesz:32 ,total:32768 Please choose the operation: 1: Load system code to SDRAM via TFTP. 3: System Boot system code via Flash. raspi_read: from:50000 len:40 .raspi_read: from:50040 len:1318d6 .................... LINUX started... THIS IS ASIC init started: BusyBox v1.7.5 (2012-08-31 17:26:02 CST) starting pid 161, tty '/dev/console': '/sbin/config_init' Config Init version: date: 2012/08/31 starting pid 213, tty '/dev/ttyS1': '/sbin/config_term' ************************************************************************ * WLR-4002 * ************************************************************************ KernelApp/Ramdisk Ver: Date:2012/08/31 password: cat: can't open '/apps/lib/modules/2.6.21/modulesApp.dep': No such file or directory ln: /sbin/./apps_init: File exists ln: /sbin/./ File exists


toh/sitecom/n300.wlr-4002b.txt · Last modified: 2018/05/01 19:17 by tmomas