2201R Mobile Tester User Guide
Chapter 2 Instrument setup and general operation
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Using the 2201R Mobile Tester with peripherals
Connecting and using an external keyboard
The 2201R Mobile Tester can be operated conveniently through its front panel elements. However, if you need to
enter a lot of data an external keyboard may be useful. The 2201R Mobile Tester supports standard keyboards with
USB interface; the keyboard layout for France, Germany, the UK and the USA are automatically recognized.
The soft keys are assigned to function keys F1 through F6, with the … key being assigned to F7.
To enter negative numbers, just press the – key in the numeric block (the Num Lock function must be active).
Connecting and using a flash drive
A USB flash drive can be connected to the 2201R Mobile Tester to install firmware updates, store screenshots and
transfer configuration files (including setups and test scripts). Please use the flash drive delivered with 2201R.
Connect the USB flash drive to a USB port either on the front or on the rear panel (USB-A).
Connecting the instrument to the LAN
In addition to operating the 2201R Mobile Tester through its front panel elements, it can also be controlled remotely
from a PC through the serial (RS-232) interface, a USB port or the LAN (local area network).
The LAN interface of the 2201R supports 10 or 100 Mbps connections (10BASE-T or 100BASE-TX) over a Cat5 cable
(with RJ-45 connectors at both ends).
Simply plug one end of the cable into the LAN socket on the rear panel of the 2201R and the other into the socket
of your LAN.
If you do not have a LAN but a PC with a LAN socket, you can connect the instrument to the PC directly using a
cross-connect LAN cable. This cable type is available in computer shops or from Cobham.
In order to set up the IP address parameters of the 2201R, you can either enter them directly or activate DHCP
(Dynamic Host Configuration Protocol). DHCP is a protocol that automates the configuration of TCP/IP devices on a
local area network; the IP address and subnet mask are assigned by a DHCP server that must be available on the LAN.