Bell Wireless Office Headset RT27 Prospecto

PS4

POWER

SUPPLY

Connecting more than 4 phones or Extension sounders(RT27)

to a 1 button/way DC System

PD-119 Iss 2

COM

N/C

N/O

COIL

+

-

Bell System

To the Call Button

I

Phone

or RT27

Phone

or RT27

Phone

or RT27

Phone

or RT27

Phone

or RT27

Electrical

Cupboard

89

Relay

Notes

1. The Phones must be star-wired (separate cable to each phone).

2. Follow the standard DC phone wiring diagram, changing the call

button wiring to that shown here.

CW1308
or CAT5 type

CW1308
or CAT5 type

1.0mm
CSA

2

O

I

O

I O

I

O

I

O

1.0mm CSA

2

Connect the power
supply negatives together
if more than 1 in

the system