Telephone (Bheu) To External Speaker (Hesb) Cable Connection - Toshiba Strara CTX Series Installation And Maintenance Manual

Peripheral Installation
5. Connect terminal 2 of the HESB TB1 terminal block to the green (-) wire of the HESC-65A using
a modular block.
6. Connect terminal 8 of the HESB TB1 terminal block to the yellow (L2) wire of the HESC-65A
cable using a modular block.
7. Connect the HACU-120 power supply's +12V lead to terminal 1 of the HESB TB2 terminal block,
and connect the power supply's 0V lead to terminal 2.
8. Plug the provided power cord into the power supply and into a 240VAC, 50Hz power source.
If AC voltage is not within range, have a qualified electrician correct the problem.
Important!
Telephone (BHEU) to External Speaker (HESB) Cable
Connection
The HESC-65A cable is required to connect the telephone BHEU to the HESB external speaker. The
BHEU can be installed into the DKT3000/3500-series telephones. It can also be installed into
DKT3010 and DKT3020 telephones that have either a BVSU or BPCI installed. For DKT3001
telephones, the installation is same as below, only the connector location is different.
HESC-65A and BHEU Installation
1. Loosen the four captive screws on the
telephone base, and remove the base.
Use a screwdriver or other suitable
tool to remove the plastic tab on the
back of the base. (The HESC-65 cable
connector is accessed through this
opening. See Figure
2. Connect the HESC cable to P1 of the
BHEU and feed it through the
telephone base.
3. Position the BHEU PCB (component
side down) on the standoffs inside the
base, and secure with the two
provided screws (see
4. Connect the BHEU integrated wire
plug to P3 (HEU) on the telephone
base PCB (see
location of the red wire
...or for DKT3001 telephones only,
connect the BHEU wire plug to P1
(HEU) on the telephone base PCB (see
5. Reinstall the base on the telephone.
6. Connect the HESC-65A cable to the HESB (see
7. Connect station wiring (see
8-18
8-17.)
Figure 8-18).
Figure 8-19). Note the
Figure 8-21).
Feed through
HESC-65A Cable
5650
HESC-65 Cable
or
HESC-65A Cable
Figure 8-17 HESC-65A Cabling
Figure 8-20). Note the location of the red wire.
Figure 8-17).
To HESB
Block
Knock out
with
screwdriver
for BHEU
modular
connector
SW601
P1
BHEU
Strata CTX I&M September 2002