
LT-6023 Rev 0 Feb 2019 Page 2 of 2
Figure 2: QAZT-5348DS Addressable Telephone and Paging Selector Board
Operation
Individual telephone or paging zone selection is achieved from this panel (QAZT-5348DS). There is no wiring required from
this panel. Each QAZT-5348DS annunciates and controls up to 48 telephone or paging zones. There is one button and two
LEDs per zone. The lower amber LED indicates Zone trouble. The upper green LED indicates whether that zone is selected
for telephone or paging communication via the Addressable Master Telephone Handset or Master Paging Microphone. Press
the button to turn the selection for telephone and paging communication ON and OFF.
Programming
NOTICE TO USERS, INSTALLERS, AUTHORITIES HAVING JURISDICTION, AND OTHER INVOLVED PARTIES
This product incorporates field-programmable software. In order for the product to comply with the requirements in the
Standard for Control Units for Fire Alarm Systems, CAN/ULC-527-11, certain programming features or options must be
limited to specific values or not used at all as indicated below.
Program feature or option Permitted in CAN/ULC-
S527? (Y/N) Possible settings Settings permitted in CAN/
ULC-S527
QAZT-5348DS
Zone Switch configured as
supervisory, trouble, and
monitor
NRed and green LEDs when
active Yellow LED when active
QAZT-5348DS
Zone Switch Alarm,
Supervisory, Trouble and
Manual Evacuation
NResound by pressing Signal
Silence button again
Same button can be used to
resound the signals after they
have been silenced
P4
P1
Ribbon Cable connects here on QAZT-5348DS and goes to
the next QAZT-5348DS or display module Ribbon IN.
Ribbon Cable is permanently attached
here and connects to Ribbon OUT
connector of Master Telephone, Mas-
ter Paging Microphone or previous
QAZT-5348DS.
PROG