Rohde & Schwarz EX-IQ-BOX, Руководство пользователя

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Protocol Settings
R&S
®
EX-IQ-BOX
145 User Manual 1409.5570.32 ─ 05
4. Connect the analyzer's REF OUT and the generator's REF IN, and connect the gen-
erator's REF OUT with REF IN of the R&S EX-IQ-BOX.
5. Connect the USB cable plug A to the PC, and plug B to the R&S EX-IQ-BOX (USB
IN)
6. Plug the SFP module into the SFP cage on the breakout board
7. Connect the power supply to the RRH.
8. Establish the optical connection between the breakout board and the Rx/Tx input of
the RRH.
9. Connect the RF output of the RRH, i.e. the RRH antenna with the analyzer's RF input.
Make sure that you use adequate attenuation in order not to damage the analyzer, as
the output power may exceed the analyzer's maximum power. You find the maximum
input level of your analyzer in the data sheet.
Setting the R&S Signal Generator
1. Preset the R&S signal generator.
2. Set reference frequency on externally, as the reference frequency is fed in from the
signal analyzer.
3. Activate the test signal, e.g. 3GPP FDD in the respective baseband block.
4. Set the sample rate of the digital signal output according to the settings in
R&S DigIConf, i.e. 7.68 MHz.
5. Set the sample rate of the digital signal output to 7.68 MHz in "User Defined" mode.
Setting the CPRI Protocol
1. Start the R&S
DigIConf software on the PC.
R&S DigIConf recognizes connected R&S EX-IQ-BOX devices and indicates their
IDs inside the block diagram symbol.
2. Press the CPRI standard button
The main CPRI setting dialog opens.
3. Press the "Preset" button to start in a defined state.
CPRI