Arista C400 FTM User Manual and Access Guide

Device User Accessible Connectors

The C400 device features the following user-accessible connectors:

• LAN / Ethernet Port
• DC Input (12V, 2A)
• Console Port

How to Take SSH Access of the Device

1. Power on the device.
2. Connect a LAN client to the C400 device's LAN/Ethernet Port.
3. On the LAN client, verify connectivity by pinging the C400 device (e.g., ping 192.168.1.1).
4. Establish SSH access using the command: ssh root@<device IP>.

Default C400 IP: 192.168.1.1

Default Login Details:

• User Name: root
• Password: arista@123

How to Take Console Access of the Device

1. Power on the device using DC Power or PoE.
2. Connect a console cable from the C400 device's console port to your PC or Laptop.
3. Open a terminal on your PC or Laptop.
4. For Linux users: Execute sudo minicom -s and enter your system password.
5. For Windows users: Use a terminal emulator like Tera Term or PuTTY and select the appropriate COM PORT.

Minicom Configuration (Linux):

Ensure the following settings are configured in minicom:

• Serial Device: /dev/ttyUSB0
• Bps/Par/Bits: 115200 8N1
• Hardware Flow Control: No
• Software Flow Control: Yes

Tera Term Configuration (Windows):

For Tera Term, configure the serial port settings as follows:

Transmit Delay:

• 0 msec/char
• 0 msec/line

Device Friendly Name: USB Serial Port [COM10]

Device Instance ID: FTDIBUS\VID_0403+PID_6001+FTB6SPL3A\001

Device Manufacturer: FTDI

Provider Name: FTDI

Driver Date: 7-5-2021

Driver Version: 2.12.36.4

After configuration, save and exit the terminal program.

FTM Commands Steps and Procedure

Once the board boots up, execute the following commands to set FTM mode and transmit all chains in Full Power.

Setting the board to FTM mode:

uci set wireless.wifi0.disabled=1
uci set wireless.wifi1.disabled=1
uci set wireless.wifi2.disabled=1
uci set wireless.qcawifi=qcawifi
uci set wireless.qcawifi.testmode='1'
 uci commit
sync
wifi load

Setting full power in each radio:

myftm -J -i wifi1 -I 0 -f 2442 -M 2 --rateBw 30 --gl 52 -r 20 --nss 1 -a 3 -k 1 -z 1 -p 24 -Y 00:03:7F:44:55:81 -s 64000 --dpdflag -t 3
myftm -J -i wifi0 -I 0 -f 5500 -M 2 --rateBw 30 --gl 52 -r 20 --nss 1 -a 3 -k 1 -z 1 -p 20 -Y 00:03:7F:44:55:81 -s 64000 --dpdflag -t 3
myftm -J -i wifi2 -I 0 -f 6515 -M 2 --rateBw 30 --gl 52 -r 22 --nss 1 -a 3 -k 1 -z 1 -p 16 -Y 00:03:7F:44:55:81 -s 64000 --dpdflag -t 3

To turn off the Transmitter:

myftm -J -i wifi1 -I 0 -f 2442 -M 2 --rateBw 30 --gl 52 -r 20 --nss 1 -a 3 -k 1 -z 1 -p 24 -Y 00:03:7F:44:55:81 -s 64000 --dpdflag -t 0
myftm -J -i wifi0 -I 0 -f 5500 -M 2 --rateBw 30 --gl 52 -r 20 --nss 1 -a 3 -k 1 -z 1 -p 20 -Y 00:03:7F:44:55:81 -s 64000 --dpdflag -t 0
myftm -J -i wifi2 -I 0 -f 6515 -M 2 --rateBw 30 --gl 52 -r 22 --nss 1 -a 3 -k 1 -z 1 -p 16 -Y 00:03:7F:44:55:81 -s 64000 --dpdflag -t 0