Section 3. ET Instrumentation Installation

3.3.3.1 Internal Installation

For installation inside the ET Enclosure, the following components are provided in the short-haul modem kit:

(1)SC932C Interface

(1)Rad Modem

(1)Rad/SC932C Mounting Bracket

(4)Screws

(1)12 inch 4-wire patch cable

Install the short-haul modems as shown in Figure 3.3-4 and 3.3-5.

1.Mount the Rad / SC932C mounting bracket into the ET Enclosure with the 3 pre-threaded screws provided.

2.Connect the Rad Modem and SC932C. Strap them into the mounting bracket under the Velcro strap.

3.Connect the SC932C 9-pin port to the internal ET Enclosure 9-pin port with the blue ribbon cable provided.

4.Wire the Rad Modem to the ET Enclosure with the 12-inch patch cord. Match wire labels to wiring panel labels on both the ET Enclosure and the Rad Modem (+XMT to +XMT, etc.). A small screwdriver in provided with the ET Enclosure to access the Rad Modem connections.

3.3.3.2External Installation

The following short-haul kit components are used to make the external connections:

At the ET Enclosure:

(1)20 foot 4-Wire Patch Cable

(2)2 Direct Bury Splice Kits

(1)Length of User Supplied Wire (Supplier: Anixter, p/n F-02P22BPN, Phone 847-677-2600)

At the PC:

(1) Rad Modem

(1) 5 foot 4-wire Patch Cable

(1)10 foot 14 AWG Ground Wire

(1)Surge Protector and Case

1)Connect the 20 foot patch cable to connector #8 on the external back panel of the ET Enclosure. Splice this cable to the user supplied cable, using the direct bury splice kits.

2)Mount the surge protector to a flat surface within 10 inches of the PC's serial port. Ground the center terminal to an earth (or building) ground using the 14 AWG wire.

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