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If IS15 Expander is used in the instrument system, the NMEA
connections are made to this unit. See Figure 3-26.
Figure 3-25 IS15 Instruments / Autopilot computer connection
Figure 3-26 IS15 Expander / Autopilot computer connection
3.26
External Alarm
The external alarm circuit has an open collector output for an
external alarm relay or buzzer. The operating voltage for the
circuit is the main supply voltage. Max. load on external alarm
output is 0.9 Amp.
20221560E
Installation
79
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