SEPTENTRIO AsteRx SBi, User Manual

Page: 36 / 38

APPEND I X A. REAR-PANEL PORT DESCR I PT I ONS
A.2 COM1-GPIO
Figure A-2: Solder view of the 7-pin female COM1-GP I O socket on the rear panel
of the AsteRx SBi3
The 7-pin connector type is an ODU M I N I -SNAP F Circular Connector Series
S40F1C-P07MCD0-500S.
PIN # Colour Name Comment
1 Pink EVENTA
First EVENT input
(Max. V
IL
= 1V, Min. V
IH
= 2V, Max. V
IH
= 24V, I nternal
delay to detection < 1
µ
s, 15 K Ω pull-down)
2 Black GND
Ground
Brown wire with Black heat-shrink tube
3 Green
COM1 CTS/
EVENTB
COM1 Clear to Send.
This also connects to the second event EVENTB input.
I t has the same electrical speci fi cations as EVENTA (see
pin 1).
4 Yellow
COM1 RTS /
PPS OUT COM1 Request To Send / PPS Out
PPS OUT low = 0V, PPS OUT high = 5V
5 Grey RxD1 Serial COM1 receive line
6 White TxD1 Serial COM1 transmit line
7 Red 5V OUT
5V +/- 5%, 300 mA DC output
Blue wire with Red heat-shrink tube
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