Campbell COM310 Manuel télécharger pdf (Page 29)

COM310 Voice Communications Modem

FIGURE 3. COM310 / CR1000 Using Surge Protection Device

(where there’s no available Standard RJ11 Connection)

6.2 Powering the COM310 Modem

Newer Campbell Scientific dataloggers provide 12 VDC on CS I/O connector

pin 8 for powering peripherals such as the COM310. The alternative, if you

have a dataloggers/wiring panel lacking 12 VDC on pin 8, is to wire the green

connector on the side of the COM310 to the datalogger +12 VDC and power

ground terminals (refer to Figure 4). The COM310 comes with a mating green

power connector for this purpose. The following Campbell Scientific

dataloggers lack 12 VDC power on CS I/O pin 8.

TABLE 1. Dataloggers/Wiring Panels

Lacking 12 VDC on CS I/O Port Pin 8

CR10(X) w/ silver wiring panel

CR10(X) w/ black CR10 wiring panel (P/N 8032)

CR500⎯serial number 1764 or lower

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 55 56

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Campbell COM310 Manuel Page 29