Product Description

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 62 of 75
4.4 AT command console (C2)
The “modem” u-boot command performs a pass-through between the modem serial port and the
RS232 port of the gateway.
Command is:
modem uart0 53 18 17
Example on RS232 port (start gateway and enter under u-boot console typing a key before kernel
booting; after “Modem is ready” print, you can send AT commands)
RomBOOT
>
CRC ok loading custom env
U-Boot 1.2.0 (Oct 20 2010 - 15:34:01)- 221 Telit
DRAM: 64 MB
Bank #1
Flash:NAND Numonyx NAND01G-B2C 128MB 1.8V 8-bit
Hardware ECC (ECC data size = 512 bytes)
Nb min erasable unit: 1024
min erasable Size: 131072
Size=134217728 bytes
Logical address: 0x40000000
Block 193 is factory bad (0x41820000)
Block 615 is factory bad (0x44ce0000)
Block 713 is factory bad (0x45920000)
Area 0: 40000000 to 403BFFFF (RO) Primary Bootstrap
Area 1: 403C0000 to 4043FFFF (RO) U-Boot code
Area 2: 40440000 to 404BFFFF (RO) U-Boot Environment
Area 3: 404C0000 to 407BFFFF User Area 1
Area 4: 407C0000 to 47FFFFFF User Area 2
usbser: usb console disabled (usbser_timeout = 0)
In: serial
Out: serial
Err: serial
Hit any key to stop autoboot: 0
U-Boot> modem uart0 53 18 17
Turning on modem
Modem is ready
at
OK