Campbell Hausfeld COM220 Manual Do Utilizador

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COM220 Telephone Modem 
CAMPBELL
SCIENTIFIC
INC.
CR10
MADE IN USA
WIRING PANEL NO.
EARTH
DIFF
SE
AG H L AG H
L AG H
L AG
G
G
E3 AG
4
5
6
7
8
9
10
11
12
G G G G
12V 12V
SWITCHED
12V
G 12V
POWER
IN
SERIAL I/O
SE
DIFF
AG H L AG H
L AG H
L AG
G
G
E1 E2
1
2
3
1
2
3
4
5
6
G 5V 5V P1 P2
C8 C7 C6 C5 C4 C3 C2 C1
CONTROL
12V
SWITCHED
To Earth 
Ground
14 AWG Ground Wire
SC12 Cable
Telephone Wall
Jack
Red
Black
(Ground)
(+12v)
 
FIGURE 4.  CR10X with CR10 Wiring Panel and COM220 Using RJ11C Telephone Jack 
4.  Modem Settings 
The COM220 comes from the factory with the appropriate settings for PakBus 
dataloggers (e.g., CR8x0, CR1000, CR3000, CR10XPB, CR23XPB).  It is 
programmed to answer a call as soon as a call is detected.  It is also 
programmed for Synchronous Device Communication (SDC7).  As mentioned 
in the introduction, these settings must be modified in order to connect to older 
dataloggers (e.g. CR510, CR10X, CR23X, CR7) with non-PakBus operating 
systems.