COBHAM EXPLORER 8100 - Specifications for User I;O Connector

Specifications for User I/O connector
98-145510-E Appendix A: Technical specifications A-5
A.3 Specifications for User I/O connector
Electrical specifications
Pin Pin function Input/Output Parameter Specification
2 RX Lock Output RXL H voltage 12 or 24 V software selectable
RXL L voltage 0 V
RXL H source current 20 mA for a LED or a sensitive relay
RXL L sink current 0 mA
Protection ESD and overcurrent
3Stow
indicator
switch
Output Switch voltage, max. 48 Vpeak
Switch current, max. 2 A (resistive load)
4
5
6
7
8
TX Mute
Stow input
IF29 Aux1
IF29 Aux2a
a
IF29 Aux2b
Input Input H voltage > 1.0 V input ref. to GND
Input L voltage < 0.4 V input ref. to GND
Input H sink current < 0.5 mA @ 3.3 V, < 5.0 mA @ 32 V
Input L source current < 0.5 mA
Input allowed voltage range 32 V ref. to GND
Input Protection ESD
7
8
IF29 Aux2a
a
IF29 Aux2b
Output Output H voltage 48 Vpeak, 15 KOhm internal pull up to
5.7 V
On resistance < 1 Ohm @ 200 mA
Sink current 450 mA max. continuous
Switch time < 8 μs
Output protection ESD
Overvoltage & overcurrent
Table A-3: ACU User I/O connector, electrical specifications
a. Do not connect AUX2a and AUX2b - they are for future use.