User's Manual

Page 15
© Copyright 2008 Trio DataCom Pty. Ltd.
O Series Data Radio – User Manual
SERIAL INTERFACE
DiagsIn
C6
100p
R1
100R
C7
100p
DiagsOut
+3V3
C1
100n
C2
100n
C3
100n
C4
100n
C5
100n
Radio PIN 7
Radio PIN 8
Radio PIN 24
SYSTEM RS232
nPTT
M1
M2
P1
1
P2
2
P3
3
P4
4
P5
5
P6
6
P8
8
J1
J2
J3
J4
J5
J6
J7
J8
P7
7
X1
C1+
2
C1-
4
C2+
5
C2-
6
Vs+
3
Vs-
7
VCC
17
GND
16
T1in
12
T1out
15
T2in
11
T2out
8
R1out
13
R1in
14
R2out
10
R2in
9
nEN
1
nSHDN
20
U1
MAX3222E
C10
100p
R4
100R
C11
100p
C8
100p
R2
100R
C9
100p
R3
3K3
+3V3
note: Radio inputs are 5V tolerant, however 3V3 is recommended.
Optional EMC components
System Port Interface

Summary of content (16 pages)