Desk mounting – Telematrix DC640 User Manual
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NOTE: Be sure that all line cord connections are made prior to installing the Wall Mount Wedge. An 
optional direct connect coaxial power supply can be used or the provided power supply can be used. 
Connecting the Handset Cord
A 10-foot modular coil handset cord is 
provided. (
Be sure that the wall/desk
elevation stand has not been 
attached). To i nstall t he c ord, si mply 
plug the 
short straight end o f the
handset cord into the modular jack on 
the handset. The 
long straight end of
the hands et c ord pl ugs i nto the jac k 
labeled “ Handset” located o n the 
bottom of the Sp ectrum PLUS
TM
base
unit. Place the line cord into the hand-
set c oil co rd channel l ocated directly 
below the jack. 
To install the wedge for d esk mounting, be s ure the loc k mec hanism is pos itioned to th e 
left, clear of the locking arm. Place the wedge in the slots, wide end toward top of phone 
base unit, and slide the wedge upward into position. Lock the wedge into place. 
Desk Mounting
