AeroComm Corporation AC4490 Benutzerhandbuch
S P E C I F I C A T I O N S
6
E L E C T R I C A L S P E C I F I C A T I O N S
T a b l e 3 : I n p u t V o l t a g e C h a r a c t e r i s t i c s
AC44901x1 / AC4490-1000M
AC4490-200X
Signal Name
High
Min.
High
Max.
Max.
Low
Min.
Low
Max.
High
Min.
High
Max.
Max.
Low
Min.
Low
Max.
Unit
RS485A/B
N/A
12
-7
N/A
N/A
12
-7
N/A
V
RXD
2.31
3.3
0
0.99
2
5.5
0
0.8
V
GI0
2.31
3.3
0
0.99
2
5.5
0
0.8
V
RTS
2.31
3.3
0
0.99
2
5.5
0
0.8
V
Test
2.31
3.3
0
0.99
2
5.5
0
0.8
V
GI1
2.31
3.3
0
0.99
2
5.5
0
0.8
V
UP_RESET
0.8
3.3
0
0.6
0.8
5
0
0.6
V
Command/Data
2.31
3.3
0
0.99
2
5.5
0
0.8
V
AD In
N/A
3.3
0
N/A
N/A
3.3
0
N/A
V
T a b l e 4 : O u t p u t V o l t a g e C h a r a c t e r i s t i c s
Signal Name
Module
Pin
1x1
Pin
Type
High
Min.
Low
Max.
Unit
GO0
1
19
O
2.5 @ 8mA
0.4 @ 8mA
V
TXD
2
6
O
2.5 @ 2mA
0.4 @ 2mA
V
RS485A/B
2,3
N/A
I/O
3.3 @ 1/8 Unit Load
N/A
V
Hop Frame
6
1
O
2.5 @ 2mA
0.4 @ 2mA
V
CTS
7
9
O
2.5 @ 2mA
0.4 @ 2mA
V
GO1
9
19
O
2.5 @ 2mA
0.4 @ 2mA
V
RSSI
13
12
O
See Figure 1
See Figure 1
V
DA_Out
19
20
O
N/A
N/A
V
1
1. DA_Out is an unbuffered, high impedance output and must be buffered by the OEM Host when used.
In Range
20
18
O
2.5 @ 2mA
0.4 @ 2mA
V