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3. INSTALLATION
Adding the Jessica Subsystem to EDACS is a two-stage process. The first stage is to change the EDACS components at
the IMC. The second stage is to change the components at the sites. This section describes the configuration changes and
installation procedures needed for Jessica.
CAUTION
All PI, MUX, and MD110 boards are static-sensitive. ESD handling procedures must be followed when replacing or
installing boards. Failure to do so may result in board failure or shortened board life.
3.1. INSTALLATION AT IMC
CAUTION
Turn off the power before removing or installing any PBX interface VME bus boards. Removing or reinstalling the boards
while the power is on will damage the boards.
3.1.1. IMC
The following additional documents are referenced in the steps of an IMC installation:
• LBI-39039, MD110 Configuration Manual
• LBI-38938, CEC/IMC Overview
• LBI-38939, IMC Maintenance Manual
• LZBU 106 100, MD110 Customer Library -- Small Basic, BC 6
Follow the steps below to connect Jessica to an IMC for the first time.
1. Set up the MD110 configuration per LBI-39039 and the MD110 Customer Library.
2. Connect one end of the cable labeled TSR252 0111/2000 (see E1/T1 Trunk B MD110, Drawing 2203712, on how to
put together cable) directly to the PI port labeled "Trunk B -- MD110," starting with the lowest numbered port, and
connect the other end to the LFU7 filter board within the MD110.
The correct connection point at the LFU7 is found as follows: Find the TLU-63/1 or TLU-64/1 in the MD110 that is
used for connection to the PI. The cable connector that plugs into the front of the board is labeled. It will be labeled
similar to the
example
that follows:
29A*4R
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