BusinessPhone Communication Platform 5.1
Installation Instruction ASB 150 02

## Auxilary Equipment

### Music Input

The music output from a radio, tape recorder or similar is fed into the system via the CPU-D_ , AUX_,
BTU-A(2) and BTU-C boards. By programming the exchange, the output from the connected equipment can be distributed throughout the system.

#### Hardware installation

##### CPU-D_ or AUX_

A twisted pair or a shielded cable should be connected from the music source output output to a1, b1 on the connector block of the standard MDF cable TSR 902 0444 (Ericsson connector block ) or TSRBS 101 01 (Krone connector block).

The standard MDF cable will carry all connections of the CPU-D_ and AUX options, to the MDF. If any of the board options are installed in the system, this cable is already installed.

It is also possible to connect a cable from the music equipment directly to the input of the CPU-D_ or AUX board front.

Refer to Connections on the CPU-D2(3)/AUX2(3) or Connections on the CPU-D4.

In case of direct connection use the EURO connector RNV 321 0102.

##### BTU-A(2) or BTU-C

A twisted pair or a shielded cable should be connected from the music source output output to the connector block of the standard MDF cable TSR 902 0444 (Ericsson connector block ) or TSRBS 101 01 (Krone connector block). Which of the individuals are used as music source input, depends on the customer configuration.

Refer to Connections to BTU-A/BTU-A2 and Connections to BTU-C

#### Technical data

Music input:

- Impedans: 600 ohm
- Voltage: 1 V max

### Temperature Sensor

#### Hardware installation

The water proof temperature sensor(s) may be located outdoors to measure the outside temperature. The sensor(s) are connected to the exchange by a 10m cable. The temperature is displayed on system telephones with display. The temperature trend, increasing or decreasing, is indicated by” ^” for increasing and “v” for decreasing. Please note that the indication of the temperature trend, for the first 30 minutes after installation may not be correct (while reference values are being recorded).

To connect the temperature sensor(s) to the CPU-D_ board, the standard MDF cable TSR 902 0444 (Ericsson connector block ) or TSRBS 101 01 (Krone connector block) may be used. These cables will carry all feature connections from the CPU-D_ board to the MDF (Main Distribution Frame). Should this system already be using some of the system features (music input, alarm output, alarm input or temperature sensors) there is already such a cable installed. It is possible to connect 3 external temperature sensors to the CPU-D_, whereby only the values of the first one will be displayed on the system telephones with display (no settings necessary). The values of the 2nd and 3rd temperature sensor can only be read out via BMS

The following components are necessary to install the temperature function:

- Cable kit RPM 603 339/1 which contains:

- the cable with temperature sensor
- a wood screw

If the sensor is to be placed outside it is preferably mounted on an outside wall, with the supplied screw, that is not placed in direct sunlight. A desirable place is for instance a shady place under the roof. Try not to place the sensor near a window that is often open for airing or near an output for the ventilation. If the sensor is located more than 10 m from the exchange, we recommend you to use a twisted pair cable for extension.

The wires are connected to the connection block pin in the following way: (polarity independent)

- Temperatur sensor 1: a5 and b5
- Temperatur sensor 2: a6 and b6
- Temperatur sensor 3: a7 and b7

Refer also to
Connections on the CPU-D2(3)/AUX2(3) or Connections on the CPU-D4.

#### Technical data

- Measurement accuracy:

- ± 0.5˚ C (between –24 ... +75˚ C)
- ± 1˚ C (between –40˚ C ... +100˚ C)

- Temperature range: –40 ... +75˚ C
- Maximum recommended line length: 50 m

### Door Interface Unit (DIU) (BFY BS 10101/1)

#### Installation

The DIU is an interface connected via one or two extension lines to the ELU-A of the exchange and via a set of wires to the door phone. The DIU should be mounted indoors on a dry wall. The door phone can be of any commercially available type as long as it meets the requirements listed in the System Overview
(1555-ASB 150 02 Uen) under section Technical Data for DIU.

#### Connection

The wires to the speaker and microphone should be led via two twisted pairs in a separate cable. Caution when connecting a polarity-dependant microphone. Check polarity on connector x1. Make the connections to the door bell button, door opener and key lights etc in another cable. This is to minimise disturbances on the microphone line. The wires to the door opener carry more current and should have a diameter greater than 0.6 mm. The length between door phone and DIU should be less than 50 m. The length between door phone and exchange should be less than 500m.

The connector X18 is used for speech connection between DIU and exchange. The connector X17 is used to activate the door opener. If the door opener wiring already exists the X17 connection can be omitted and the connection X12 leads to an existing button.

Pressing the door phone button (connection X5) activates the DIU and the programmed extension rings (see Facility Description, 15534-ASB 150 02 Uen). The interface stays active for the preset time selected under "C" and shuts off after this time has elapsed.

#### Adjustments of DIU

The microphone level is factory set, but under certain conditions the line attenuation can exceed expectations resulting only in one way speech connection or clipping of the voice between extension and door phone. In this case cautious change of microphone level setting has to be performed. The potentiometers range is

- If the voice in the speaker of the door phone sounds too dim or is clipped, turn the mic potentiometer screw two turns counter clockwise. Speak into the telephone microphone and verify that the speaker sounds loud and clear enough other wise repeat the procedure.
- No voice connection to the speaker of the telephone.Turn the mic potentiometer screw two turns clock wise. Speak into the door phone microphone and verify that it is heard in the hand set of the telephone otherwise repeat again.

#### Settings on the board

### Alarm Interface Unit (AIU) (RPMBS 130 002/01)

The ALARM INTERFACE UNIT is an optional equipment mounted in the case bottom of the DBC 21x telephones. This equipment is used in the hospitality area to enable distress notification from e.g. a bathroom. A normally closed switch is installed and the two terminals are connected to the pins (button a and button b) on the option unit. The connection can be made in the wall outlet. Then the wiring shown above applies. If another type of wiring is used the connector Optional alarm can be used.

Cabinet 0

Cabinet 1

Revision: E © Ericsson Enterprise 2003