The well-made NEC 12-Line Key Expansion Module Kit 12LK-L (WH) 680607 BE107662 in color White includes a faceplate & designation sheet. This converts 12-button Digital or IP terminals to 24-button.

It is used to extend DT330 & DT730 12-Button terminals (680003 / 690003) to 24 Keys -White

Instructions on how to upgrade a 12 Button phone to a 24 Button: (in addition to installing the 12 Button LK Upgrade part # 12LK-L (WH) KIT 680607 )
DTL-12 BUTTON 24 BUTTON TELEPHONES

TO CHANGE FROM A 12 BUTTON:

WHEN PHONE IS UNPLUGGED HOLD KEYPAD BUTTONS 4 & 6
PLUG IN THE LINE CORD CONTINUE HOLDING BUTTONS 4 & 6 FOR AN ADDITIONAL 5 SECONDS THEN RELEASE THE BUTTONS
YOU WILL SEE THE INITIALIZED

Service Class R/W Mode
1: Line Key Type

Press 1 on Keypad
Use the arrow key to select LineKey Type = [Line 24]
Press Line key 2 to Save
Pickup Handset and Hangup

Test using help Key & Line Key 13

NEW IN THE BOX