Peripheral Installation

External Speaker Unit (HESB) Options

 

 

 

 

MDFB (Rear View)

 

 

 

 

Door Phone

 

 

 

 

 

 

 

Talkback

 

 

 

 

 

 

 

Microphone

 

 

 

 

 

 

 

1

2

L1

L2

 

BIOU

 

 

Jacketed Twisted

 

Jacketed

 

 

 

 

Pair 24 AWG

 

 

Twisted

BIOU switch,

600

SPT (38, BK-GN)

 

 

 

Pair

 

 

 

24 AWG

 

 

<Duplex>

 

 

SW600must be in

Page

SPR (13, GN-BK)

 

 

 

 

 

the SPO position

Output

 

 

 

 

 

 

 

 

 

MDF

Volume Control

 

 

 

 

 

 

66 Block

 

 

 

 

 

25 Pair Cable

 

 

 

 

 

 

 

 

 

 

 

Jumper Wires:

 

 

 

 

 

 

L1 L2

1 2

 

TB1

TB2

Modular

 

 

 

 

 

 

 

 

 

TB1

1-2

3-4

1

2

3

4

5

6

7

8

9 10

 

 

5-6

Connector

 

 

 

 

 

 

 

 

 

 

 

 

Internal Wiring:

May Be Used

 

 

 

 

 

 

 

 

 

 

6 5 4 3 2 1

 

6 5 4 3 2 1

 

 

 

TBI

Voice

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

4

 

Voice

 

Door Phone

 

 

 

3

3

 

 

 

 

 

 

12V 0V

 

 

 

 

 

 

 

 

TBI

Door Phone

 

 

 

 

 

 

 

 

 

7

4

 

 

 

 

 

 

 

 

 

TB2

 

8

3

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

 

 

 

 

9

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

5

 

12V

0V

 

 

 

 

 

Jumpers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes

 

HACU-120

 

 

HESB (Rear View)

5469

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The 600 ohm duplex page output is

 

Power

 

 

 

 

 

 

 

 

 

compatible with most

 

Converter

 

 

 

 

 

 

 

 

 

commercially available talkback

 

 

 

 

 

 

 

 

 

 

 

amplifiers. – MDFB not required.

115VAC ± 10VAC to 12VDC

 

 

 

 

 

 

 

Figure 12-23 Amplified Page/Talk-Back with HESB Interface

HESB Wall Mounting

Some applications may require that the HESB is mounted on a wall or other vertical surface.

To wall mount the HESB

1.Find a suitable location on the mounting surface for the HESB (see Figure 12-24).

2.Screw a 1.25-inch panhead wood screw into the mounting surface.

3.Hang the HESB from the screw.

One Wall

Mounting

Hole

1516

Figure 12-24 HESB Wall Mounting

12-24

Strata CTX I&M 06/04

Page 480
Image 480
Toshiba CTX28 manual Hesb Wall Mounting, 12-24, To wall mount the Hesb, One Wall Mounting Hole