Section 3. ET Instrumentation Installation

3.3.2.1 Internal Installation

For installation inside the ET Enclosure, the following components are provided in the cell phone modem kit:

(1)COM100 Transceiver, Power Connector

(1)Mounting Bracket

(6)Screws

(1)12 inch Coaxial Patch Cable

Install the phone modem and cellular transceiver as shown in Figure 3.3-2.

1.Attach the modem to the modem bracket with 4 of the screws provided. Attach the cellular transceiver with 2 of the screws provided. Mount the bracket into the ET Enclosure with the 3 pre-threaded screws on the mounting plate.

2.Mount the RJ11C Interface to the side of the battery bracket.

3.Connect the modem 9-pin port to the ET Enclosure port with the blue 9 pin ribbon cable supplied with the ET Enclosure.

4.Connect the modem RJ-ll jack to the RJ11C Interface with the RJ-ll patch cord. Connect the cellular transceiver coaxial connection to the bulkhead coaxial connector with the coaxial patch cable.

5.Connect the modem ground terminal to the recessed ET Enclosure ground with the 14 AWG ground wire.

6.Do this step after the antenna is connected (Section 3.3.2.2). Connect the transceiver power cord assembly to the transceiver's 25 pin connector. Connect the red 12 V lead to the 12V terminal in the ET Enclosure. Connect the black ground lead to the GND terminal. Connect the green power control lead to the RCV+ and terminal.

3-8