ETAS
Installation
BR_XETK-S4.0
-
User
Guide
31
Fig.
5
-
2
BR_XETK-S4.0 Connection to the ECU
5.3
Wiring
5.3.1
Compatible Hardware
5.3.2
Requirements for failsafe Automotive Ethernet Operation
For failsafe operation of the Automotive Ethernet communication channel, all
customer specific installations - including cables, connectors, and board adap
-
tations - have be compliant to:
• IEEE Std. 802.3bwTM-2015, “Amendment 1: Physical Layer Specifica
-
tions and Management Parameters for 100 Mb/s Operation over a Sin
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gle Balanced Twisted Pair Cable (100BASE-T1)”, chapters 96.7 - 96.9
• Open Alliance, “BroadR-Reach® Definitions for Communication Channel,
Version 2.0”
NOTE
The Automotive Ethernet interface is not compatible with the standard Ether
-
net interfaces of ETAS modules. A Media Converter or an ES88x ECU Inter
-
face Module is needed to connect the BR_XETK-S4.0 to the PC.
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.
BR_XETK-S4.0
ECU
Samtec Plug
TFM-105-02-5-D-P
ETAM8
CO
N2
CO
N
3
MOLEX Plug
Open wire
ETAM5
or
Open wire
ETAM2
or
MOLEX Plug
ETAM9
or
MOLEX Plug
ETAM10