Toshiba Strata DK40 Installation & Maintenance Manual page 229

External Speaker Unit (HESB) Options
To install the HESB talkback amplified speaker
1. Connect a jumper between terminals 1 and 2 of the HESB TB1 terminal block
Figure
2. Connect a jumper between terminals 3 and 4 of the HESB TB2 terminal block.
3. Connect a jumper between terminals 5 and 6 of the HESB TB2 terminal block.
Note
4. Connect terminal 7 of the HESB TB1 terminal block to Pin L1 of the MDFB.
5. Connect terminal 8 of the HESB TB1 terminal block to Pin L2 of the MDFB
6. Connect terminal 9 of the HESB TB1 terminal block to Pin 1 of the MDFB.
7. Connect terminal 10 of the HESB TB1 terminal block to Pin 2 of the MDFB.
8. Connect the 600-ohm page RCA jack from the Base Unit to terminals 3 and 4 of the
HESB TB1 terminal block.
9. Connect the customer supplied power supply +12V lead to terminal 1 of the HESB TB2
terminal block, and connect the 0V lead to terminal 2.
10. Plug the provided power cord into the power supply and to a 240VAC 50Hz power
source.
Important!
To test the talkback amplified speaker
1. Make an external page. Page will be heard over the HESB.
2. Verify that someone speaking into the door phone can be heard at the paging station.
(With this application, pressing the door phone button is not required to talk back
through the door phone.)
Strata DK40 I&M Manual Spring 1999
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
6-14).
HESB connections made in Steps 4~7 may be accomplished using the HESB
VOICE and door phone modular jack instead of the TB1 terminal block.
If AC voltage is not within range, have a qualified electrician correct the
problem.
Peripheral Installation
(see
6-25