Toshiba DK 16, DK8 manual HVSI/HVSU Installation for Electronic Telephones

INSTALLATION-STATION APPARATUS
SECTION 100-816-206
MARCH 1993
		R-UP (6510-H,
		6510-S, 6520-S)
ROOM NOISE			TO HHEU
			CONNECTOR
			P1
			P1
		HI	RED
		P2
BEEP		RED
STRAP
	R-UP			RED
			TO HVSU	WIRE
	(6520-SD)
CARBON
			CONNECTOR, P2
		CARBON STRAPS
		W201
		W202
		HHEU STRAP
		W203

FIGURE 6-13

ELECTRONIC TELEPHONE PCB CONNECTIONS

3)Position the HVSU/HVSI subassembly on the standoffs inside the base, and secure with the two screws provided (Figure 6-14).

4)Connect the HVSU/HVSI subassembly wire plug to the P2 connector on the electronic telephone PCB (Figure 6-13).

5)Reinstall the electronic telephone base, and secure it with its four captive screws.

4.20Loud Ringing Bell/Headset Upgrade (HHEU)

4.21The Loud Ringing Bell/Headset upgrade (HHEU) enables an external speaker (HESB) and/ or a headset to be connected to the electronic telephone. The HESB serves as a Loud Ringing Bell when connected to a telephone.

NOTES:

1.There are two types of HHEU: the HHEU1 (which has four versions, V.1 ~ V.4) and the HHEU2.

TO P2 HVSU
CONNECTOR
ON MAIN PCB	P5
INSIDE
TELEPHONE	HSVI
	HVSU

FIGURE 6-14

HVSI/HVSU INSTALLATION FOR ELECTRONIC TELEPHONES

2.Only electronic telephones equipped with an HHEU2 can be wall mounted. The HHEU2 is identical to the V.4 HHEU1, except that the HHEU2 has longer wires to accommodate wall mounting.

3.A Toshiba HESC-65 or HESC-65A cable is required to connect the HHEU in an electronic telephone to the HESB. Refer to Section 100-816-207for HESB instal- lation procedures.

4.All HHEU versions and types, except for V.1 HHEU1, are compatible with the Off- hook Call Announce upgrades (HVSU2 and HVSU/HVSI).

4.22HHEU Upgrade Installation. Install the HHEU upgrade in accordance with the following steps:

1)Loosen the four captive screws securing the telephone base (Figure 6-1), and remove the base.

2)Using a screwdriver or other suitable tool, remove the plastic tab located on the back of

6-12