3-26
UHF1/ UHF2
PIN NO.
UHF TX
LOGIC
(380–445)
PIN NO.
LOGIC
PIN NO.
UHF TX
LOGIC
(445–520)
PIN NO.
LOGIC
PIN NO.
UHF RX
LOGIC
(380–445)
PIN NO.
LOGIC
PIN NO.
UHF RX
LOGIC
(445–520)
PIN NO.
LOGIC
Table 3-3. Port Expander Pin Settings (Continued)
1
2
3
4
0
0
0
0
16
17
18
19
0
0
0
0
1
2
3
4
0
0
0
0
16
17
18
19
0
0
0
0
1
2
3
4
0
0
H
0
16
17
18
19
0
0
0
0
1
2
3
4
0
0
H
0
16
17
18
19
0
0
0
0
Theory of Operation: Transceiver Board
5
6
7
8
9
0
0
H
H
0
21
22
23
24
25
0
H
H
0
0
5
6
7
8
9
0
0
0
0
0
21
22
23
24
25
0
H
H
0
0
5
6
7
8
9
0
0
H
H
0
21
22
23
24
25
0
H
H
0
0
5
6
7
8
9
0
0
H
0
0
21
22
23
24
25
0
H
H
0
0
10
12
13
14
15
0
H
0
0
0
26
27
28
29
30
0
H
0
0
0
10
12
13
14
15
0
0
H
0
0
26
27
28
29
30
0
H
0
H
0
10
12
13
14
15
0
0
0
0
0
26
27
28
29
30
0
0
0
0
0
10
12
13
14
15
0
0
0
0
H
26
27
28
29
30
0
0
0
0
0