Toshiba Strata CTX100, Installation And Maintenance Manual

Page: 270 / 348

Station Apparatus
3000-series Telephone Option PCBs
8-8
Strata CTX I&M 10/02
7. Reinstall the base on the telephone.
Figure 8-6 BHEU Installation
Telephone Option Straps
Certain option straps on the DKT3000-series phones must be cut when installing carbon handsets,
external power or headsets. Refer to
Table 8-6 and Figures 8-7 ~ 8-9 for further instruction.
Table 8-6 Station Option Interface PCB Compatibility
Name of the
Strap on the
DKT PCB
DKT3010-S,
DKT3020-S,
DKT3010-SD,
DKT3020-SD
DKT3014-
SDL
DKT3001 Explanation
Carbon W301, W302
W301,
W302
If a carbon-type handset or carbon-type headset is
connected to the handset jack, the carbon wire jumper
straps, listed on the left, must be cut inside the
telephone. When a carbon headset is connected to the
BHEU, you do not need to cut the straps. See
Figures
8-7 ~ 8-9 .
HEU W303 W303 W103
To turn off the handset receiver when the handset is on-
hook and a headset is used with the BHEU, cut the
“HEU” strap shown on the left.
EX.POWER W101, W102
W101,
W102
W101,
W102
Cut the “EX.POWER” straps only when external power is
connected to the second pair (pins 2 and 5) of the
telephone modular jack. See Chapter 7 – MDF PCB
Wiring,
on page 7-1 .
SET UP W401, W402
W401,
W402
Do not cut – for factory use only.
Digital
Telephone
Top Assembly
Digital
Telephone Base
Red
Wire
5657
(P3) HEU
BHEU
BVSU or BPCI
(optional)