Hardware manual

Electra Elite Issue 8
System Hardware Manual 8 - 7
SECTION 3
S
INGLE LINE
T
ELEPHONES 3.1 DTR-1-1 TEL
The Single Line Telephone is a fully modular terminal with a Flash
key, redial key, 6-level receive volume control, 4-level ring volume
control, 3-tone ring pitch, data jack, and message waiting lamp.
Each terminal requires an SLT(1)-U( ) ADP or SLI(4)/(8)-U( ) ETU.
A maximum of 24 DTR-1-1 TELs can be installed in an Electra Elite
48 system.
The H switch setting for the receive volume control should only be
used by hearing impaired individuals, otherwise hearing damage
may occur. This telephone complies with HAC (Hearing Aid
Compatible) volume control defined by section 68.317 of the FCC
Rules and Regulations, 1996 edition.
Figure 8-7 DTR-1-1 TEL Single Line Telephone