External Speaker Unit (Hesb) Options; Telephone External Ringer - Toshiba Strara CTX Series Installation And Maintenance Manual

External Speaker Unit (HESB) Options

Strata CTX systems provide three options utilising an HESB:

Telephone External Ringer

Amplified Page Speaker
Talkback Amplified Page Speaker with talkback
System hardware requirements vary depending on the HESB option selected. See the following
installation procedures for the hardware requirements for each option.
Telephone External Ringer
The loud ringing bell option enables the voice first or ringing signal tone to be amplified without the
use of other manufacturers' equipment. The voice first and signal tone can be amplified on all digital
telephones equipped with HHEU PCBs and HESB. (See
The HESB automatically turns Off once the ringing call or voice first has been manually answered
from the digital telephone. This turn-off feature prevents audio feedback problems.
For UK & European markets a 240VAC to 12VDC plug to power supply must be
Important!
provided by the dealer.
Step 1: Set Up the Telephone for the External Ringer Option
3000/3500 Telephone Instructions
To Turn the Loud Ringing Bell Feature On/Off (Default is Off)
369 Hold
1. Press +
# 8
2. Press .
Msg Msg
3. Press (
Msg
...or press
Hold
4. Press .
2000/2500 Telephone Instructions
See Chapter 7 – Station Apparatus
Important!
EXSP on 2000-series digital telephones. See below for 3000/3500 telephones.
Step 2: Connect the HESB External Ringer to the 3000/3500-series Telephone
1. Connect a jumper between terminals 2 and 10 on the HESB TB1 terminal block
2. Connect a jumper between terminals 4 and 5 on the HESB TB2 terminal block.
3. Install a BHEU PCB and HESC-65A cable per
Note HESB connections made in
jack instead of the TB1 terminal block.
4. Connect terminal 1 of the HESB TB1 terminal block to the red (+) wire of the HESC-65A using a
modular block.
Strata CTX I&M September 2002
(simultaneously).
LED turns On) to turn On the External Speaker (HESB) connection
Msg
again ( LED turns Off) to turn Off the External Speaker (HESB) connection.
Steps 4~6 can be accomplished using the HESB VOICE modular
Chapter 7 – Station
for instructions on the HHEU jumpers and cutting the
Figures 8-17 and 8-18.
Peripheral Installation
Apparatus.)
(Figure 8-21).
8-17