User manual
EXPERT 2K-FA
Pag. 42 of 42 Issue 2 – May 2011
/TX-INH Link
Note: WARNING, SPE is not responsible for any failure resulting from misuse of HW
interface.
13.4 AUX Connector
This connector provides data on the bandwidth currently used in the two INPUT,
indicating which input is connected to the antenna ANT 1/2/3/4/5/6 and which is
connected to the SO2R,
In this way you can know which of the two transceivers is currently
connected to the output antenna set and when it is in transmission.
Pin n.
Pin name
Description
3
BIT A1
BIT A INPUT 1
5
BIT B1
BIT B INPUT 1
7
BIT C1
BIT C INPUT 1
9
BIT D1
BIT D INPUT 1
11
/ EN 1
INPUT 1 0 = not connected with ANT, 1 = connected with ANT
13
/ RLY 1
INPUT 1 0 = TX state 1 = RX state
1 GND
GND
4
BIT A2
BIT A INPUT 2
6
BIT B2
BIT B INPUT 2
8
BIT C2
BIT C INPUT 2
10
BIT D2
BIT D INPUT 2
12
/ EN 2
INPUT 2 0 = not connected with ANT, 1 = connected with ANT
14
/ RLY 2
INPUT 2 0 = TX state 1 = RX state
2 GND
GND
15
+ 12 Vdc.
OUT + 12 Vdc. 1 A max.