ttl level shifter 38400 8N1

-------------------
| TX GND VCC . RX |
|                 |
|                 |
|AC           Ant |
-------------------

Adam2_AR7RD > printenv
memsize               0x01000000
flashsize             0x00400000
modetty0              38400,n,8,1,hw
modetty1              38400,n,8,1,hw
bootserport           tty0
cpufrequency          150000000
sysfrequency          125000000
bootloaderVersion     0.22.02
ProductID             AR7WRD
HWRevision            Unknown
SerialNumber          00:15:e9:XX:XX:XX
my_ipaddress          5.8.8.8
maca                  00:15:e9:XX:XX:XX
usb_vid               0x0
usb_pid               0x0
usb_rndis_mac         00.0d.88.XX.XX.XX
usb_board_mac         00.0d.88.XX.XX.XX
usb_man               N/A
usb_prod              N/A
usb_serial            1234567890
prompt                Adam2_AR7RD
firstfreeaddress      0x9401d328
req_fullrate_freq     125000000
mtd0                  0x900a0000,0x903f0000
mtd1                  0x90010000,0x900a0000
mtd2                  0x90000000,0x90010000
mtd3                  0x903f0000,0x90400000
autoload              1
mac_ap                00:15:e9:XX:XX:XX
eoc_vendor_id         0x444C696E6B44534C4736303454
enable_margin_retrain  1
eoc_vendor_serialnum  00:15:e9:XX:XX:XX
eoc_vendor_revision   20050530
Adam2_AR7RD >