P81898 K
Sheet 3 of 4
Table 1: Performance Specifications
Model Number
TB-593
Nominal Input Voltage
90VAC, 20Hz
Input Voltage Range
55-130VAC
Sensing Frequency
20-30Hz
Ringer Equivalence Number
1.6A
Sound Pressure Level Min/Max Volume
85/95 dB at 1 Meter
Minimum "ON" Cycle
1.0 Seconds
Minimum "OFF" Cycle
1.0 Seconds
Shell Size
6" Aluminum
DC Impedance
Virtually Infinite (Blocking Capacitor)
Input Jack
USOC RJ11C (PIN 3 - Ring; PIN 4 - TIP)
BELL SHELL
BELL
HOUSING
MOUNTING
BOLT
(2) 1/2" CONDUIT
KNOCKOUTS
BACKBOX
ALIGN PIN HOLE WITH GUIDE PIN
OBSERVE "TOP" MARKING
T O
P
GUIDE PIN
TO TELEPHONE SYSTEM
MODULAR
LOUD
SOFT
VOLUME
BUSHING
EXTRA ALERT CARTRIDGE
OR SERVICE MODULE,
OR SUPPLEMENTARY ALERT
ADAPTER, AS APPLICABLE.
LINE CORD
(NOT PROVIDED)
Figure 1: Removal of Bell Shell
Figure 2: Modular Connection
BELL SHELL
BELL
HOUSING
MOUNTING
BOLT
(2) 1/2" CONDUIT
KNOCKOUTS
BACKBOX
ALIGN PIN HOLE WITH GUIDE PIN
PC BOARD
(2) SCREWS
TO
P
OBSERVE "TOP" MARKING
GUIDE PIN
TB1
PC BOARD
FOR CONDUIT
ENTRANCE ONLY
VOLUME CONTROL
BUSHING
BASE (SHOWN WITH BELL
HOUSING REMOVED)
(2) KNOCKOUTS FOR
1/2" CONDUIT &
MATCHING CONNECTOR
T R
FOR CONDUIT
FOR WIRE ENTRANCE ONLY
Figure 3: Removal of Bell Shell and Housing
Figure 4: Hard Wire Diagram
ANY MATERIAL EXTRAPOLATED FROM THIS DOCUMENT OR FROM WHEELOCK MANUALS OR OTHER
DOCUMENTS DESCRIBING THE PRODUCT FOR USE IN PROMOTIONAL OR ADVERTISING CLAIMS, OR FOR
ANY OTHER USE, INCLUDING DESCRIPTION OF THE PRODUCT'S APPLICATION, OPERATION, INSTALLATION
AND TESTING IS USED AT THE SOLE RISK OF THE USER AND WHEELOCK WILL NOT HAVE ANY LIABILITY
FOR SUCH USE.