Instruction manual

Installation
20221560F 79
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 (not on AC10). The operating
voltage for the circuit is the main supply voltage. Max. load on
external alarm output is 0.9 Amp.