User's Manual
Manuals
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Shanghai Simcom Manuals
Electronics
GSM/GPRSModule
1
2
3
4
5
6
7
8
9
10
SIM840W
EVB
User
Guide
SIM840W
-EVB_UGD_V1.00
9
2
0
1
1
-
0
6
-
2
2
3. Accessory Interface
3.1 Power
Interface
Figure 4: Power Interface
Pin
Signal
I/O
Description
1 Adapte
r
input
I
5V/2.5A DC s
ource input
1
...
...
7
8
9
10
11
...
...
21
