Toshiba CTX28 manual 12-22, To test the amplified speaker option

Peripheral Installation

External Speaker Unit (HESB) Options

To test the amplified speaker option

1.Make an external page. The page should be heard over the HESB.

2.Verify that someone speaking into the door phone can be heard at the paging station. (With this application, pressing the door phone button is not required to talk back through the door phone.)

BIOU switch SW600 must be in the SPO position

			Jacketed
BIOU			Twisted
			Pair
			24 AWG
600Ω	SPT (38, BK-GN)
Page	SPR (13, GN-BK)
Output
		MDF	Volume Control
	25-Pair Cable	66 Block

Jumper Wires:												TB1
TB1	TB2	Modular
			1	2	3	4	5	6	7	8	9 10
1-2	3-4	Connector
5-8	5-6	May Be Used
6-7			6 5 4 3 2 1 6 5 4 3 2 1
Internal Wiring:						Not Used
			Voice		Door Phone
TBI	Voice
			12V 0V
3	3
4	4										TB2
Note			1	2	3	4	5	6
• The 600 ohm page output sends			12V	0V							Jumpers
three types of signals during			VDC
system operation:						HESB (Rear View)						5470

• Voice page		Power
• Background music
		Supply
•	Night ringing
		115 VAC (± 10 VAC) to 12 VDC

Figure 12-22 Amplified Page Speaker with HESB Interface

12-22 Strata CTX I&M 06/04