Toshiba CTX28 manual 11-8, Bheu Installation

Station Apparatus

3000-series Telephone Option PCBs

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 11-7and 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 11-6and

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.

Digital

Telephone

Top AssemblyRed

Wire

Figure 11-6 BHEU Installation

To HEU connector on telephone

Red
Wire	Turn BHEU component
	side down.
	BVSU or BPCI
	(optional)
BHEU

5651

Figure 11-5 BHEU Installation

(P3) HEU

BHEU

BVSU or BPCI

(optional)

Digital

Telephone Base

5657

11-8 Strata CTX I&M 06/04