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3 communication and data storage peripherals, 1 phone modems – Campbell Scientific ET106 ETo Station User Manual

Page 26

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Section 3. ET Instrumentation Installation

3-6

Open

604 Ohm

100 Ohm

(LI1200X)

(LI190SB)

(LI200S)

Open

1 K

Open

(CS500, HMP45C)

(CS500, HMP45C)

(HMP35C)

Open

SW 12V

5V

(HMP35C)

FIGURE 3.2-2. Default Sensor Switch Settings

3.3 Communication and Data Storage Peripherals

One communications kit can be mounted to the ET Enclosure back plate.
Communications kits ordered with the ET Enclosure are pre-mounted and pre-
wired; no further connections inside the enclosure are necessary. Follow the
"External Installation" procedures outlined below to make the external
connections.

If you received a telecommunications kit separate from the ET Enclosure,
follow the "Internal Installation" procedures outlined below.

3.3.1 Phone Modems

Phone modems enable communications between the ET Enclosure and a Hayes
compatible modem in your PC over a dedicated phone line. Phone line surge
protection in built into the ET Enclosure.

FIGURE 3.3-1. Phone Modem Mounting and Connections

P/N 10588 Cable

RJ11 Patch

Cord

Ground

Wire

Modem