Toshiba CTX28 Telephone User Manual


 
Station Apparatus
3000-series Telephone Option PCBs
11-8 Strata CTX I&M 06/04
3. Make sure that the SW2 jumper plug
is set to “NORMAL.”
4. If you do not want the handset
receiver to work when the handset is
on-hook and a headset (connected to
BHEU) is being used, cut the HEU
strap on the DKT PCB (see Figures
11-7 and 11-8).
5. Position the BHEU PCB (component
side down) on the standoffs inside the
base, and secure with the two
provided screws (see Figure 11-5).
6. Connect the BHEU integrated wire
plug to P3 (HEU) on the telephone
base PCB (see Figures 11-6 and
11-9). Note the location of the red
wire.
...or for DKT3001 telephones only,
connect the BHEU wire plug to P1
(HEU) on the telephone base PCB
(see Figure 11-9). Note the location of
the red wire.
7. Reinstall the base on the telephone.
Figure 11-6 BHEU Installation
BHEU
To HEU connector
on telephone
Turn BHEU component
side down.
BVSU or BPCI
(optional)
5651
Red
Wire
Figure 11-5 BHEU Installation
Digital
Telephone
Top Assembly
Digital
Telephone Base
Red
Wire
5657
(P3) HEU
BHEU
BVSU or BPCI
(optional)