Bosch Intellic EFAS-4.10, Workshop Manual

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Workshop Manual
Smart Tachograph EFAS-4.10/4.11
Figure 34 — Indication of allowed key input during workshop card ejection
6.6 Installing the DSRC module
To enable the remote communication function, the EFAS DSRC module must be connected to the EFAS Tachograph. This enables
employees of the responsible control authorities to read tachograph information from passing vehicles.
6.6.1 Installation of the DSRC module according to EU regulation 2016/799
The module shall be placed in or near the centre of the windscreen of the vehicle. In the case of light commercial vehicles, the
module may be placed in the upper part of the windscreen. Otherwise, make sure that there are no metal objects (stickers,
anti-reflective films, sun visors, windscreen wipers in the rest position) in front of or near the module (antenna), as these could
interfere with communication. In addition, the module must be positioned so that its central axis is approximately parallel to
the road surface.
Note For slanted windscreens, the use of special brackets for the DSRC module is recommended.
6.6.2 Connection of the DSRC module
The communication between the EFAS DSRC module (
EFAS-4 DU01
) and the Tachograph EFAS is established by connecting to
the CAN-C bus. The ignition cable is connected to the DSRC module via a 5 A fuse.
Figure 35 — Connection diagram
Warning
Make sure that after any modification to the CAN-C bus (e.g. connection of an ITS device), the function of the
DSRC module must be ensured.
Note
CAN characteristic of the DSRC module „EFAS-4 DU01“: 250 kBps, 29 bits, 120 ohms.