Tenovis Integral T 3 DSS-Link Notice D'installation page 11

Startup
Tenovis Integral T3-telephones can be expanded with the
DSS-link (not for T3 Compact on I33/55)
The DSS-link has two application interfaces:
-- The following auxiliary equipment can be connected to
interface 1 (AEI-Y interface; socket 1, see drawing on
page 7):
-- T3 DSS-module
-- Switching contact-module (not on I5)
-- Interface 2 (loudspeaker-socket, see drawing on page 7)
is used to connect an:
-- external "T3 loudspeaker" (Classic and Comfort only)
Important information
The DSS-link may only be plugged into the T3-tele-
phone, when the telephone is disconnected from the
power supply. The ISDN-connection lead and all
external network equipment must be disconnected.
You can only connect one DSS-link to your telephone.
If you want to connect another link in addition to the
DSS-link, please contact Tenovis Service.
1