Toshiba Strata DK40 Installation & Maintenance Manual page 184

Station Apparatus
HHEU Upgrade Installation
Figure 5-8
1. Loosen the four captive screws securing the telephone base
remove the base.
2. Using a screwdriver or other suitable tool, remove the plastic tab located on the back of
the base; the HHEU modular connector for the headset is accessed through this opening.
3. If installing a V.3 HHEU1, set the SW601 switch on the HHEU to headset for the
headset or loud bell application
this switch, because both of these upgrades are automatically set for the headset/loud
bell application.
5-12
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
Component Side of HHEU
R607 (HHEU1 V.1 ~ V.3)
HHEU
HHEU Installation for Digital Telephones
SW601
(HHEU1 V.1 ~ V.3)
OCA
(HHEU1 V.4
or HHEU2)
P601
1487
(see Figure 5-8). V.4 HHEU1 and HHEU2 do not have
Strata DK40 I&M Manual Spring 1999
Telephone Upgrades
(see Figure 5-1), and