Operating instructions

TransTel Model TD-824-I Digital Telephone System – System Installation
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TD-TKU - 4 Port CO Line Card
 Align four holes of TD-TKU with the standoffs on top of the existing TD-TKU or TD-SIU card provided for in the
basic key service unit. Once aligned, place the four screws into the standoff securing the TD-TKU card.
 Verify that the TD-TKU that was installed in the basic KSU has JP1 set to the ‘TKU1’ position..
 Set JP1 on the new installed TD-TKU to ‘TKU2’.
 Connect an attached cable between CN1 of TD-TKU to CN3 of TD-MBU.
 Connect an attached cable between CN4 of TD-TKU to CN3 of TD-SLC for power failure transfer.
TD-TKU 4 Circuit CO Trunk Card
TD-TKU Jumper JP1 – Basic Card is strapped for TKU1
Expansion Card is strapped for TDK2 (Basic Card shown)