Protocol Settings
R&S
®
EX-IQ-BOX
199
User Manual 1409.5570.32 ─ 05
Ethernet Pointer
Indicates the resulting Ethernet pointer after the link setup, that means the position after
the handshake between the R&S EXBOX-B85 and the DUT.
You can determine this parameter in the C&M tab, which is embedded in the CPRI pro-
tocol. RE and REC then read the value of the other, and agree on the smallest.
Valid entries range from 20..63. Depending on the line speed and the pointer the following
Ethernet bit rates are achievable:
Line rate
[Mbit/s]
Length of control word
[bit]
min. Ethernet bit rate
[Mbit/s]
max. Ethernet bit rate
[Mbit/s]
1x (614.4)
8
0.48
21.12
2x (1228.8)
16
0.96
42.24
4x (2457.6)
32
1.92
84.48
5x (3072.0)
40
2.40
105.60
8x (4915.2)
64
3.84
168.96
10x (6144.0)
80
4.80
211.20
16x (9830.4)
128
7.86
337.92
Remote command:
Ethernet Active
The LED indicates red, if the interface is inactive. Blue indicates that the Ethernet data
transfer is active.
Remote command:
Bit Rate
Displays the resulting bit rate of fast C&M data exchange. This bit rate depends on the
CPRI line bit rate and the Ethernet pointer.
Remote command:
Host
Enter the IP Address of the DUT.
Note:
This functionality refers to the integrated telnet client and applies only to CPRI RE
test mode.
Port
TCP port address for the access to the Telnet server of the DUT.
Note:
This functionality refers to the integrated telnet client and applies only to CPRI RE
test mode.
CPRI
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