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28 | Installation
4.2
Wiring
4.2.1
Compatible Hardware
NOTE
The BR_XETK-S1.0 Automotive Ethernet interface is not compatible with the
standard Ethernet interfaces of ETAS modules. An Automotive Ethernet Media
Converter or an ES88x ECU and Bus Interface Module is required to connect the
BR_XETK-S1.0 to the PC (refer to chapter 3.3 on page 18).
4.2.2
Requirements for failsafe Automotive Ethernet Operation
For failsafe operation of the Automotive Ethernet communication channel, all cus-
tomer specific installations - including cables, connectors and board adaptations -
have be compliant to:
- IEEE Std. 802.3bwTM-2015, "Amendment 1: Physical Layer Specifications
and Management Parameters for 100 Mb/s Operation over a Single Balanced
Twisted Pair Cable (100BASE-T1)", chapters 96.7 - 96.9
- Open Alliance, "BroadR-Reach® Definitions for Communication Channel,
Version 2.0"
NOTE
To achieve an appropriate channel performance all PCB board and cable seg-
ments have to be optimized with regard to line impedance matching, length
matching within the differential net routing or twisted pair cabling and on the
reduction of untwisted regions. Stub segments must be avoided for the Point-
to-Point cable connection in favor of inline connectors and shielding measures
shall be considered depending on the operation environment.
4.2.3
CBEB100.1 Automotive Ethernet Media Converter
ECU
BR_XETK
Fig. 4-3
ETAS BR_XETK-S1.0 | User Guide
2x Banana
to UBatt
Lemo
Lemo
2 (f)
2 (m)
CBAM290.1
CBEB121.1
BR_XETK-S1.0 connected with CBEB100.1 Automotive Ethernet Media
Converter and ETAS Cable to PC
DSUB-9
(f)
BR Media
Converter
CBEB100
XCP on Fast Ethernet
RJ45
PC
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