Installation Instructions

Site I/O Junction Box Replacement Procedure

DEC 2000

9-13

SCt300 BTS Hardware Installation, ATP and FRU Procedures

PRELIMINARY

Objective

The objective of this procedure is to replace the Site I/O junction box.

System Impact/Considerations

The removal of the failed Site I/O junction box will require system

downtime. The BTS cannot report alarms without the Site I/O junction

box. The other system level alarms are too numerous and outside the

scope of this document.

Required Tools and Materials

The following tools are required to remove the solar cover and install the

new Site I/O junction box.

Tools

S Torque driver wrench, 1/4–in. hex female drive, 0–10 N–M

S T20 Torx tamper bit

S T30 Torx tamper bit

Replacement units

One Site I/O junction box is required – Kit T396AA

Replacement Procedure

Before you begin

Before you begin, enter the following information into the following

replacement list table.

Table 9-4: Item Number Replacement List

Item Number

BTS number

Failed Site I/O Junction Box

number