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<Required Equipment>
RF cable to connect MT8821C and LTE UE
Two application server PCs with LAN adapter supporting 1000Base–TX (if using external server)
Client PC (if DUT is modem type)
Two Ethernet cables (Crossover cables to connect MT8821C 1000Base–TX1/2 and application server1/2)
USB cable*
2
to connect DUT and client PC (if DUT is modem type)
UDP/TCP Throughput measurement software (installed in application server and DUT)*
1
*1: This test uses the open-source software Iperf to measure throughput. It can be downloaded from the
Internet. After downloading, copy the execute file (Iperf.exe) to the root of the C: drives in the application server
and client PCs.
*2 : USB 3.0 is recommended.
Application Server Connection and Setting 5.3.2.
5.3.2.1. Using external Application Server for MT8821C
With the MT8821C powered-down (Off), connect the 1000Base-TX port 1 on the rear panel of the MT8821C to
Application Server 1 and the 1000Base-TX port 2 on the rear panel of the MT8821C to Application Server 2.
For the connection diagram, refer to Figure 5.3.1–1 or Figure 5.3.1-2 in Chapter 5.3.1.
Use the following address for Application server 2. Otherwise, use the same settings as in Chapter 5.1.2
IP Address: 192.168.20.100
SubnetMask: 255.255.255.0
The MT8821C has two internal network interface cards (hereafter, NIC) and these can be used as the Application
Server for IP data verification.
Connect the 1000Base–T1 port on the MT8821C rear panel to Application Server PC1, and connect the 1000Base–T2
port on the MT8821C rear panel to Application Server PC2. For the connection diagram, refer to Figure 5.3.1-3 or
Figure 5.3.1-4 in Chapter 5.3.1.
Assign the following IP addresses as the initial values for Application Server1/2.
Refer to Chapter 5.2.2.3 for the Application Server IP address settings.
Client PC Connection and Setting 5.3.3.
The client PC connection and setting depend on the mobile terminal. Set according to the connection method used.
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