190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 23-31
23.4.10 Discrete Outputs
The GEA 24 has 2 annunciator outputs, these outputs do not require any configuration and can be
optionally wired to an external annunciator. Discrete Out 1 acts as a master warning annunciator and is
active any time a warning CAS message (Red Alert) is displayed on the PFD. Discrete Out 2 acts as a
master caution annunciator and is active any time a caution CAS message (Yellow Alert) is displayed on
the PFD. Reference Section 26
for wiring guidance.
DISCRETE OUT 1 is "master warning" - goes low when a red (warning) CAS alert is active.
DISCRETE OUT 2 is "master caution" - goes low when a yellow (caution) CAS alert is active.
The two states of these outputs are as follows:
INACTIVE: Floating (can be pulled up to externally sourced Vout in the range 0 ≤ Vout ≤ 33 VDC)
Leakage current in the INACTIVE state is typically ≤ 10 uA to ground
ACTIVE: Vout ≤ 0.5 VDC with ≤ 20 mA sink current
Sink current must be externally limited to 20 mA max
If two EIS LRUs are configured, use annunciator outputs on EIS LRU#1 only.
Pin Name Connector Pin I/O
DISCRETE OUT 1 / MASTER WARNING J244 44 Out
DISCRETE OUT 2 / MASTER CAUTION J244 45 Out
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