F-1
Appendix F. The 10704 12 V Adaptor
COM200s prior to serial number 2334 require a part number 10704 adaptor to
connect 12 volts directly to the modem.
The 10704 adaptor is used between the SC12 cable and the datalogger (Figure
F-1). Table F-1 lists the Campbell Scientific dataloggers that do not supply 12
VDC on the 9 pin connector and hence require a direct 12 VDC connection to
the COM200. When using the 10704 adaptor, the red and black wires should
be connected to 12 V and Ground, respectively. The female connector of the
10704 should be connected to the COM200 while the male connector goes to
the datalogger.
Table F-1. Dataloggers that Require
Direct 12 VDC Connection to COM200
CR10(X) w/ silver wiring panel
CR10(X) w/ black CR10 wiring panel (P/N 8032)
21X(L)—serial number 13,442 or lower
CR500
serial number 1764 or lower
CR7—700X serial number 2778 or lower
BDR301 and BDR320
F
1
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
TIP
RING
GND
CAMPBELL
SCIENTIFIC
INC.
COM200 MODEM
MADE IN USA
S/N
1002
Complies with P
art 68, FCC rules
. FCC Registra
tion No. B9QUS
A-75378-MM-T
Ringer Equivalen
ce 0.6B.Require
d Connector US
OC RJ11C. Can
adian Load No. 5
This equipment
complies with th
e requirements
in Part 15 of FC
C Rules for Cla
ss A
computing device. Operation of this equepment in a residential area m
ay cause
unacceptable interference to radio and TV reception requiring the operator to take
whatever step
s are nece
ssary to co
rrect the interfere
nce.
To Earth
Ground
14 AWG Ground Wire
SC12 Cable
Telephone Wall
Jack
Red
Black
(Ground)
(+12v)
10704 Adaptor
FIGURE F-1. CR10X with CR10 Wiring Panel and COM200 Using
RJ11C Telephone Jack
Содержание COM200
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