Chapter 4 - Terminals and Optional Equipment
Chapter 4 4 - 39
SECTION 4-13
LINE KEY REPLACEMENT
4.13.1 Line Keys - P/N 0910106 (WH) and 0910104 (BK)
With the UX5000 digital keysets or IP terminals, replacement line keys are available which can add to the
number of line keys available for a terminal. The following installation instructions can be used for Value 2-
Button or 6-Button, Enhanced 12-Button or 24-Button, or DESI-less (8LKD = Digital DESI-less, 8LKI = IP
DESI-less) terminals.
4.13.2 Installation
1. Remove any cable from the terminal (line cord, LAN cable, AC power).
2. Remove the upper plastic panel covering the line keys. Also remove the designation sheet used for
labelling the terminal.
3. Remove the side panel located on the right side of the terminal by prying up the edges of the panel.
4. From the right side of the terminal, lift off the filler piece where the new line key module will be installed.
5. Insert the new line key module.
6. Reattach the side panel on the terminal by pushing the panel until it snaps into place.
7. Attach the new designation sheet and the plastic panel over the line keys.
4.13.3 Programming the Digital Terminal for the Correct Number of Line Keys
1. With the terminal not plugged in and the handset on-hook, press the “4” and “6” buttons on the dial pad
and connect the terminal cables.
● This places the terminal into Service Class R/W mode. The MW LED will not be lit.
2. Press “1” to enter the Line Key Type mode.
● The MW LED should flash.
3. Following the directions below for the type of line key module installed.
4. Save to memory by pressing line key 2, 8, 14, or 20. The display changes back to the Service Class R/W
mode and the MW LED will be lit red.
5. Unplug the terminal and plug it back in to return it to an idle condition.
Line Key Module Type Push
2-Button 1
6-Button 2
8-Button 3
12-Button 4
24-Button 5
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