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Anritsu MT8820C - Synchronizing Frame Timing between 2 Cells

Anritsu MT8820C
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47
Synchronizing Frame Timing between 2 Cells 2.2.2.
This chapter is only for the MT8820C.
The frame timing between two cells must be synchronized when connecting using LTE-Advanced (CA).
<Using Main 1 and Main 2 with one MT8820C unit including ParallelPhone measurement option>
1. [SCC-1] Execute ENTERSYNC INT_SLAVE to set the frame timing synchronization processing slave status.
2. [PCC] Execute ENTERSYNC MASTER to perform frame timing synchronization processing.
3. [SCC-1] Execute ENTERSYNC? to query that the response is 1 (synchronization established).
Main2
Input/Output
RF In/Out
UE
Combine
Main1
Input/Output
<Using two MT8820C units)>
1. Setup the two MT8820C units as shown below.
Main1
Input/Output
RF In/Out
UE
Main1
Input/Output
10 MHz/ 13 MHz Ref In
Call Proc. I/O-1
Call Proc. I/O-1
10 MHz Buff Out
PCC
SCC-1
BNC cable
D-sub 15pin cable J1249
Call Proc. I/O-1
Call Proc. I/O-1
10 MHz Buff Out
10 MHz/13 MHz Ref In
PCC
SCC-1
BNC cable
D-sub 15pin cable J1249
DL CA 2CCs Test Connection Setup
2. [SCC-1] Execute REF 10MHZEXT to set Ref. Frequency to 10 MHz (EXT).
3. [SCC-1] Execute ENTERSYNC EXT_SLAVE to set the frame timing synchronization processing slave status.
4. [PCC] Execute ENTERSYNC MASTER to perform frame timing synchronization processing.
5. [SCC-1] Execute ENTERSYNC? to query that the response is 1 (synchronization established).
NOTE 1: Since the DL CA 2CCs test connections differ according to the terminal specifications, check the
connections described in TS36.508 Figure A.32a, b, c.

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