FibeAir IP-20C/S/E
User Guide
Ceragon Proprietary and Confidential
Page 548 of 597
Examples
The following command enables Ethernet loopback on Ethernet interface 2:
eth type eth [1/2]> loopback admin enable
The following command sets the loopback duration time to 900 seconds:
eth type eth [1/2]> loopback set duration 900
The following command enables MAC address swapping during the loopback:
eth type eth [1/2]> loopback swap-mac-address admin enable
The following command displays Ethernet port loopback status:
eth type eth [1/2]> loopback status show
22.6
Working in CW Mode (Single or Dual Tone) (CLI)
CW mode enables you to transmit a single or dual frequency tones, for
debugging purposes.
To work in CW mode, enter the following command in radio view:
radio[x/x] modem tx-source set admin enable
Once you are in CW mode, you can choose to transmit in a single tone or two
tones.
To transmit in a single tone, enter the following command in radio view:
radio[x/x] modem tx-source set mode one-tone freq-shift <freq-
shift>
To transmit two tones, enter the following command in radio view:
radio[x/x] modem tx-source set mode two-tone freq-shift <freq-
shift> freq-shift2 <freq-shift>
To exit CW mode, enter the following command in radio view:
radio[x/x] modem tx-source set admin disable
Table 222: CW Mode CLI Parameters
Parameter Input Type
Permitted
Values
Description
freq-shift
Number
0-7000
Enter the frequency you want to transmit, in KHz.
The following commands set a single-tone transmit frequency of 5050 KHz on
radio interface 1 on an IP-20C or IP-20S unit, then exit CW mode and return
the interface to normal operation:
root> radio slot 2 port 1
radio[2/1] modem tx-source set admin enable
radio[2/1] radio[x/x] modem tx-source set mode one-tone freq-
shift 5050
radio[2/1] modem tx-source set admin disable