Toshiba CTX28 manual 12-20, Wiring the Telephone External Ringer with Hesb Interface

Peripheral Installation

External Speaker Unit (HESB) Options

				HESB (Rear View)
			Volume Control		(+)
					(-)
		Internal Wiring:			(L2)
Jumper Wires:		TBI	Voice
		1	6		TB1
TB1	TB2	2	1	1 2 3 4 5 6 7	8 9 10
2-10	4-5	3	3
		4	4

		6 5 4 3 2 1			6 5 4 3 2 1		Jumpers
		Not Used			Not Used			24 AWG
		Voice		Door Phone				Jacketed
	HACU-120							Twisted Pair
		12V 0V
115 VAC	115VAC to							from
± 10 VAC	12 VDC						TB2	Digital
maximum	Power	1	2	3	4	5		Telephone
								to HESB
		12V	0V
	Supply
MDF
66 Block	Station Cabling
	Tip
	Ring
	PT
	PR

		R	GN	R	GN
25-Pair	Jacketed			(+)	(-)
	Twisted Pair					(L2)
Cable		BK	Y	BK	Y
	24 AWG
		W	BL	W	BL
BDKU,BDKS,		6 5 4 3 2 1		6 5 4 3 2 1
PDKU or
RDSU
		1 2 3 4 5 6		1 2 3 4 5 6

Modular	Station	HESC-65A Cable to P601
		of HHEU or to P1 of BHEU

				OCA
(-)	Green			Strap
(L2)Yellow			+	R607
(+)	Red
		P1	P601
		BHEU	HHEU
			(V.3 or .4)
			5606

Install BHEU, HHEU Circuit (V.3 or .4) or HHEU2 card

DKT2000 or 3000-seriesinto base of DKT per BHEU or HHEU installation instructions in this chapter.

Do Not Cut

Figure 12-21 Wiring the Telephone External Ringer with HESB Interface

12-20 Strata CTX I&M 06/04