Installation Manual

Figure 17: Auxiliary/Accessory Connector
Table 18: Auxiliary/Accessory Connector Callout Legend
Location Pin Assignment Type Signal Characteristics
1 Tx Audio 1 Audio Transmit Audio – Nominal input level is 80 mVrms for 60%
deviation with scaling factor set to 100%. 600 Ω input im-
pedance.
2 GPIO 6 Digital Output Logic Low: 0.5 VDC max
Output Logic High: Open Collector with 4.7 k pull-up to 5 V
Input Logic Low: 0 – 0.8 VDC
Input Logic High: 3.0 – 14 VDC
3 Ignition Sense
Control
Controls power to the unit if the internal jumper is config-
ured correctly.
4 Ground
5 GPIO 7 Digital Output Logic Low: 0.5 VDC max
Output Logic High: Open Collector with 10 k pull-up to 5 V
Input Logic Low: 0 – 0.8 VDC
Input Logic High: 3.0 – 14 VDC
6 GPIO 9 Digital Output Logic Low: 0.5 VDC max
Output Logic High: Open Collector with 10 k pull-up to 5 V
Input Logic Low: 0 – 0.8 VDC
Input Logic High: 3.0 – 14 VDC
7 Rx Audio 1 Audio Receiver Audio – Nominal output level is 330 mVrms (into
a 50 k Ohm load) with a 60% deviation receive signal.
1000 Ω output impedance.
8 GPIO 4 Digital Output Logic Low: 0.5 VDC max
MN003557A01-AF
Chapter 5: SLR 1000 Bottom Panel
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