2.3 Installing Optional Service Cards
4.Attach the 2 extension connectors to the main unit, install the card as shown below, and secure the 3 screws.
Screws
Extension Connectors
5.Insert the modular plugs of the telephone line cords
6.Connect the line cords to the terminal board or the modular jacks from the telephone company.
7.Insert the modular plugs of the telephone line cords (2- or
8.Wrap the strap around all of the cords. (→ 2.2.4 Securing Cords)
9.Close the covers and secure the screws. (→ 2.2.3 Opening/Closing Covers)
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