Toshiba Strata DK24 Installation And Maintenance Manual page 153

W101
W102
EX.POW
DK24/DK56/DK96
DOES NOT
SUPPORT ADM
FIGURE 7-7
DKT2010-H STRAP AND CONNECTOR
LOCATIONS
4. A Toshiba HESC-65A cable is required to
connect the HHEU in a digital telephone
to the HESB.
5. 1000-series digital telephones cannot be
equipped with the HHEU (any type or
version) and the integrated data interface
unit (PDIU-DI) at the same time, but 2000-
series digital telephones can support an
HHEU and a PDIU-DI2 at the same time.
3.32 HHEU Upgrade Installation (HHEU) Install
the Loud Ringing Bell/headset upgrade (HHEU) in
accordance with the following steps.
1) Loosen the four captive screws securing the
telephone base (Figure 7-1), and remove the
base.
NOTE:
Although Figure 7-1 specifically illustrates
how to remove an electronic telephone base,
it also applies to digital telephones.
CARBON
W201
W202
BEEP
W204
W204
EX.SP
FIGURE 7-8
DKT2010-SD, DKT2020-S, AND DKT2020-SD
STRAP AND CONNECTOR LOCATIONS
2) Using a screwdriver or other suitable tool,
3) If installing a V.3 HHEU1, set the SW601
4) Connect the HESC-65A cable to P601 of the
5A) For the V.3 HHEU1: If only the headset is
7-7
INSTALLATION-TELEPHONE
SECTION 400-096-207
BEEP
DK24/DK56/DK96
DOES NOT
SUPPORT ADM
remove the plastic tab located on the back of
the base (Figure 7-1); the HHEU modular
connector for the headset will be accessed
through this opening.
switch on the HHEU to HEADSET for the
headset or loud bell application (Figure 7-10).
V.4 HHEU1 and HHEU2 do not have this
switch, because both of these upgrades are
automatically set for the headset/loud bell
application.
HHEU (both HHEU1A versions and the
HHEU2 have P601) if the Loud Ringing Bell
option is required (Figure 7-11). Refer to
Section 400-096-208 for HESB installation
procedures.
SEPTEMBER 1992
CARBON
W201
W202
EX.SP
W204