Com220 telephone modem, Cr1000 – Campbell Hausfeld COM220 User Manual
Page 9
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COM220 Telephone Modem
SE
1
2
3
4
5
6
7
8
H
1
2
3
4
L
DIFF
H
EX1
H
L
H
L
L
P2
P1
12V
G
DC ONLY
CAUTION
LUG
GROUND
POWER IN
WIRING PANEL
CR1000
PERIPHERAL PORT
RS-232 (Not Isolated)
SN:
CS I/O
MADE IN USA
11
10
9
SE
15 16
13 14
12
H
L
DIFF
H
EX2
H
L
H
L
L
EX3
5
6
7
8
SW-12
5V
12V
12V
C5
C4
G
G
G
G
C1
C2
C3
G
G
C6
C7
C8
Tx
COM1
Rx Tx Rx
Tx Rx Tx Rx
COM2
COM3
COM4
POWER OUT
SDM
G 12V
Burial Phone Cable
Blue = Ring
Blue/White = Tip
Phone Line
Transient Protector
(Model 6362 or 2372-01)
SC12 Cable
Earth
Ground
FIGURE 3. CR1000 and COM220 Using Remote Telephone Line
5
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