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Jonker Sailplanes JS3 RES - LXNAV Bridge

Jonker Sailplanes JS3 RES
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JS-MD 3 RES Maintenance Manual
Supplement
MD11-AMM-00-002
Issue: 00
Rev. 00
Rev. Date: 23-May-22
Page 6-16
LXNAV bridge
The LXNAV bridge is an optional extra. The bridge provides an interface between the DCU
and LXNAV flight computers. This enables the LXNAV flight computer to be able to display
various parameters of the RES system like HV battery SOC, RPM, motor controller
temperature, etc.
Figure 6-16 LXNAV bridge
The bridge has two nine-pin d-sub connectors. On one side is the standard LXNAV RS45
connector and on the other side is a standard CAN bus connector. The connectors have the
following pinouts:
CAN BUS SIDE
RS485 SIDE
Pin Number
Description
Pin Number
Description
2
CAN L
1
RS485-A
3
GND
4
RS485-B
5
GND
6/7
12 V
7
CAN H
5/9
GND
Figure 6-17 LXNAV bridge wiring
NOTE: The orientation of the bridge should be correct as indicated on the sticker
located on the bridge itself:

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