Ears-104
Commercial in Confidence
Copyright © 2021, all rights reserved by Exacom, Inc.
9
Chapter 4. Recorder Setup and Programming
Note: A basic understanding on how to work within a Linux Command Line Environment is
required in order to complete the programming portion of these instructions.
4.1. Plug the provided 12VDC Power supply into the wall and into the Ears on the rear of the unit
labeled 12VDC
4 .1 .1 .
All f ront LED indicators are lit and are orange in color.
4 .1 .2 .
The LEDs switch f rom orange to their operating states and the OLED will graphically
display the line levels in real-time.
4 .1 .3 .
The CTRL button may be used to toggle to various screens showing inf ormation about the
device. Single press moves f orward to the next screen and a double-quick press moves
back one screen.
4.2. It will be necessary to program the Ears to the specif ic requirements of its operating
environment. To access the device, it must be attached to a common network with a PC
containing an SSH client (such as Putty).
4.3. Connect to the device via SSH by using one of the f ollowing methods:
4 .3 .1 .
Ethernet
• Plug an Ethernet cable from the appropriate subnet into the RJ-45 jack next to the power
connection.
• Press white button on the front of the unit until the “Network” screen appears.
• Launch an SSH client (e.g. puTTY) and enter the IP address of the unit (default:
192.168.3.201)
• Login using user “support” and password “1X393c4db2”.
4 .3 .2 .
USB Cable
• Use an A to Mini B USB cable to connect to the rear USB port above the power
connector, labelled
“Utility”.
• Open Network Connections and c
onfigure the network interface with the description
"Linux USB Ethernet/RNDIS Gadget" to be some address on the 192.168.192.x
subnet, except for 192.168.192.168
• Launch an SSH client (e.g. puTTY) and enter the IP address 192.168.192.168.
• Login using user “support” and password “1X393c4db2”.
4.4. By def ault, the Ears f unctions as a stand-alone recorder without any setup required. To use it as
a network recorder, the f ollowing options must be conf igured.
4 .4 .1 .
Open the file “/opt/ears/config/ears.conf” for edit.
4 .4 .2 .
Modif y the Network section to ref lect any network conf iguration changes f or Ethernet or
Wi-Fi. Ref er to Appendix A f or more details.
