BusinessPhone Communication Platform 5.1

## Installation Instruction BP 250

General
Supplementary Documents
Tools
Declaration of Conformity
Unpacking
Installation
PBX with one cabinet
PBX with more than one cabinet
Safety Rules and EMC
Board positioning
Mounting the boards
Power Supply
Backplane (ROA 119 5132) PUB 6
Installation of MDF (Main Distribution Frame)
Integrated MDF SXK 106 4208/1
External MDF SXK 106 4139/1
Line network
Indoor lines
Outdoor lines
Installation of Filter box (BDV 113 31) with BE12/16, Call Metering Filter board (ROA 219 5110/1, -/2)

## General

The exchange cabinet BDV 113 08 can be furnished with Printed Board Assemblies (hereafter = PBAs or boards) belonging to Ericsson’s PBX-system ASB 150 02. System functions, desired by the customer, are realised with appropriate boards and system programming. The ASB 150 02 system can be expanded to a maximum of three exchange cabinets of type BDV 113 08.

The PBX can be powered either by a transformer unit, a switched mode power supply, installed in the back of the cabinet, or by an existing external 48 V DC-source.

After installation the PBX shall be made operational in accordance with the stipulations that apply for system ASB 150 02. See document Start of Operation (1537‑ASB 150 02 Uen).

### Supplementary Documents

- Installation Instructions ASB 150 02 (1531‑ASB 150 02 Uen) for boards, cables and auxiliary equipment.
- Installation Instruction (1531‑BML 351 013 Uen) for the 110V-127VAC power supply, equipped with battery charger.
- Installation Instruction (1531‑BML 351 048 Uen) for the 230VAC power supply, equipped with battery charger.

### Tools

In addition to customary installation tools, the following are recommended:

- Appropriate slotting tool for connecting cables to external MDF. For MDF SXK 106 4139/1, use wire tool LSY 138 252 and for the MDFs with KRONE connectors, use slotting tool 769 027/2
- Board extractor for PBAs (Handle LTD 117 02 and Bottom LTD 117 12)

## Declaration of Conformity

## Unpacking

Unpack the exchange cabinet and remove its front cover. Check that all ordered items have been received according to the delivery note and nothing has been damaged during the transport.

Figure 1: BDV 113 08 Front View

1. Loosen screws that secure cover.
2. Pull cover approx. 10 mm towards you.
3. Remove cover by lifting it in direction of the arrow.
4. For delivery, transport protection is placed under the front cover. This protection shall be removed.

## Installation

The PBX can be delivered as a customer configured unit or the add-in boards can be delivered separately. The PBX cabinet with the power supply in the back is to be mounted on an indoor wall. A mains outlet must be provided near the equipment and shall be easily accessible. The premises shall comply with the following prerequisites:

- The air shall be free from dust and smoke.
- Environmental conditions according to ETS 300 019 (1-4):
  Temperature shall be between + 5°C and +40°C and relative humidity may vary between 15% and 80%.
- The PBX shall not be exposed to direct sunlight.
- Cable shall preferably run into the PBX from below the cabinet to ensure sufficient air flow.

### PBX with one cabinet

Take into consideration that the normal working height above the floor is about 1.30 m of the lower edge of the cabinet.

Overall dimensions of cabinet:
432 x 256 x 299 in mm (H x W x D).

#### Wall mounting procedure

1. Position the wall mounting bracket on the wall, see Figure 2: Wall mounting bracket (SXA 112 4406/3)). Mark the position of the holes (A). Drill and insert the enclosed plugs.
2. Screw on the brackets.
3. Hang up the cabinet onto the brackets.
4. Mark the position of the holes (B) and remove the cabinet from the wall.
5. Drill and insert plugs.
6. Hang up the cabinet again and secure it with the remaining screws in the holes (B).

Figure 2: Wall mounting bracket (SXA 112 4406/3)

### PBX with more than one cabinet

A system comprising more than one cabinet is to be expanded in the following way:

1. Remove inserted PBAs from cabinet (if necessary).
2. Verify the mounted backplane types. Following combinations are valid:

   Cabinet 0: |  | PUB 6 |
   Cabinet 1-2: |  | PUB 6 or PUB 5 |

3. Prepare all cabinets included in the PBX by removing the break-off piece (B) on the cabinet sideplate(s) that is to be mounted adjacent to another cabinet’s side plate.

   |  | Warning: Be careful when removing the break-off piece(s), as sharp edges could remain. This could cause injury when inserting the schielding gaskets. |

4. Now insert the shielding gaskets (A) (enclosed with expansion kit) in the hole (B) as shown below.

Figure 3: Shielding gasket

Note

For some markets, the cabinets are already prepared for flat ribbon cable connections and shielding gaskests are mounted.

#### Interconnection of Back Planes

Interconnect the back planes of the adjusted cabinets using the flat ribbon cable (591 685/2). Lead the cable through the holes (B) (see Figure 3: Shielding gasket) that are equipped with shielding gaskets in the cabinet sideplates and connect the flat ribbon cable to the relevant connector in the back plane.

Figure 4: Interconnection of back planes

Note

The connector is keyed.

#### Wall mounting procedure

1. Position the wall mounting brackets for all cabinets on the wall, see Figure 5: Mounting of exchange cabinet 0-2 . Mark the position of the holes (A). Drill and insert the enclosed plugs.
2. Screw on the brackets.
3. Hang up the cabinets onto the brackets.
4. Adjust the cabinets by pushing them towards each other.

Figure 5: Mounting of exchange cabinet 0-2

The “square holes” enable the cabinets to be moved to both sides a few millimetres, that the contact springs of the shielding gaskets always have good contact to one another.

The screws (B) are used to secure the cabinets in the correct position:

1. Mark the position of the screws (B) and remove the cabinet(s) from the wall.
2. Drill and insert plugs for the holes (B).
3. Hang up the cabinets again and secure them with the remaining screws in the holes (B).

### Safety Rules and EMC

To fulfill electrical safety requirements IEC 950 and EN 60950, the exchange must be connected to protective earth via a flexible wire with a cross sectional area of at least 6 mm2.

Local requirements shall be adhered to.

Before operating, ensure that the chassis is connected to a hard wired protective earth.

Figure 6: Ground connection

|  | If the earth is not connected a possible strike of lightning might cause a fire! The wrist strap must have a 1MOhm series protection resistor to comply to the safety standards. If this resistor is missing, then accidentally touching live wires can be lethal. |

#### Safety statement for line connection

All line interfaces in the PBX are protected in accordance with K.21 (voltage transients up to 1.5 kV).

BTU-A, BTU-A2, BTU-B2, BTU-C, BTU-D, BTU-E and MFU are working with interface TNV.

All other boards and the V.24 port work with interface SELV.

#### EMC

The ferrites, with the Ericsson ordering number STF 82 601, should be situated close to the slot where the cables are led out of the cabinet. Two turns through the ferrite core are sufficient to comply with EN 55022 Class B and to avoid disturbances in non-industrial, residential (home) usage.

### Board positioning

Refer to document Installation Instructions ASB 150 02 (1531‑ASB 150 02 Uen).

### Mounting the boards

The cabinet is adapted for boards fitted with brackets containing screws. Only boards equipped with these brackets must be installed. These screws must always be fastened to ensure a proper ground connection.

|  | Make sure that a sound ground connection to the exchange has been established. Otherwise this can be hazardous in case of lightning. Use a grounding wrist strap when handling PBAs sensitive to electrostatic discharges. |

### Power Supply

The power supplies listed below are designed to be powered by sinusoidal mains voltages:

- A transformer 36 - 38 VAC, 50-60 Hz;
  3,5A (RES 147 051/_)
- A fused external DC source
  (42V...56V, 48 V nom.; 5.0 A)
- A power supply with battery charger
  (BML 351 048, 48 V; 5.0 A)
  (BML 351 013/6, 48 V; 5.0 A)

As the power feeding input of the PBX is equipped with a rectifier bridge, the same input can be used to connect 36 V AC or polarity-independent 48 V DC.

Both transformer and switched mode power supply are mounted on the rear of the cabinet and the power conection is shown below.

#### Mains transformer

In a standard installation the PBX is fed by a protective safety class I transformer with a rated secondary voltage of 36 VAC.

Figure 7: Connections to RES 147 051/_

Note

The PBX shall have its own mains fuse and must be connected to an earthed mains outlet.

The transformer is available for the following mains voltages:

- for 230 V RES 147 051/1
- for 127 V RES 147 051/3

#### Mounting of the transformer unit

To mount the transformer unit in the rear of the cabinet BDV 113 08 insert the unit from the top into the slot at the rear of the cabinet with the mounting holes facing to the front. Align with the 4 cabinet holes and fasten securely with the supplied self-etching TORX screws.

Figure 8: Mounting of the transformer unit

Use the cable TRE 990 113/850 to connect the transformer to the exchange. Plug in the 4-pole connector to the AC outlet of the transformer unit and connect the other end to the flatpin connectors on the input filter in the cabinet.

Technical data:

Input voltage tolerance: |  | +/- 10% |
Input frequency: |  | 50/60 Hz |
Dielectric strength primary/secondary: |  | 3500V |

Fuse ratings for transformer unit:

voltage version | primary | secondary
230 V | T 3.15 A | T 6.3 A
127 V | T 6.3 A | T 6.3 A

The following graph shows the dependency of mains voltage deviation to available DC output current. This will result in reduced line length for digital instruments.

Figure 9: Mains voltage and output current dependency

#### Power Supply with battery charger (BML 351 013/6)

For installation of the switched mode battery charger (110V-127V), alarm interface and batteries refer to the document Installation Instruction (1531‑BML 351 013 Uen) describing the batteries and charger.

#### Power Supply with battery charger (BML 351 048)

A switched mode power supply (230V) is available for applications where a higher current than the transformer and/or a battery backup for the PBX is required. This unit can also be used without battery backup. For installation of alarm interface and batteries refer to the document Installation Instruction (1531‑BML 351 048 Uen) describing the batteries and charger.

### Backplane (ROA 119 5132) PUB 6

The PUB 6 is mounted in the cabinet BDV 113 08. The board is equipped with an input rectifier for 36VAC or 48VDC from the transformer or battery charger. The on board DC/DC converter steps down to the system voltages. Additionally up to nine add on boards can be connected.

#### Replacing the PUB 6 (refer to Figure below)

Unscrew the TORX no. 10 screws in the four corners. The squeeze the protruding plastic holders in the locations (A). Remove the heat sink on the rectifier to access the holder below. Remove board and replace it with a new one.

Figure 10: Locations on PUB 6

## Installation of MDF (Main Distribution Frame)

### Integrated MDF SXK 106 4208/1

The integrated MDF is used for an add-on installation mounted at the bottom of the cabinet.

Figure 11: Mounting the integrated MDF

Using the supplied screws and nuts the MDF should be installed in the manner shown above. The bolts at the back allows the MDF to tilt down for service access to the back of the cabinet.

Two KRONE bar holders can be installed, each accommodating up to ten KRONE bars. The front holder should preferably be used for trunk lines as it can additionally accommodate the cartridge containing the gas discharge tubes for protection against lightning. Section Safety Rules and EMC refers to the mandatory ground connection. When using this MDF the earth wire should first be connected to the exchange cabinet and then continue down to the integrated MDF. The earth connection on the MDF is located in the same position as on the cabinet. The screw (earth connection) on the front row bar holder must be fastened securely when the gas discharge tubes are mounted.

### External MDF SXK 106 4139/1

Unpack the MDF cabinet and remove its front cover. Mount the MDF cabinet on its designated position. Take into consideration the normal working height above the floor (about 1.30 m to the lower edge of the MDF cabinet) and the length (1.5 m) of prefabricated cable TSR 902 0444/1.

Overall dimensions of the MDF cabinet:
295x184x68 (HxWxD in mm).

Figure 12: Mounting of external MDF

1. Loosen cover only by hand force (there are no holding screws).
2. Mark mounting holes for MDF cabinet.
3. Drill and insert plugs (Use enclosed screws and plugs).
4. Mount MDF cabinet and screw it securely into position.

## Line network

### Indoor lines

The line network for extensions is to be installed in accordance with the stipulations for standard telephone networks. Twisted pair cables must be used for the lines and a wire diameter of 0.5 mm is recommended in order to reach full line length, i.e. 800 m.

Note

No stubs and/or branches may exist on digital extension lines, as they could cause transmission problems.
For the various connection possibilities between the boards and the MDF only use Ericsson pre-fabricated cables, see document Installation Instruction ASB 150 02 (1531‑ASB 150 02 Uen)

The cables run into the exchange from below the cabinet. The cables from the line network are led directly to the MDF in the exchange cabinet. Secure the cables to the exchange cabinet with the adhesive anchors and tie wraps.

Place the cables according to the following figure.

Figure 13: MDF assembling

### Outdoor lines

Any external lines connected to the PBX that are subjected to excess voltage (transients) in conjunction with e.g. lightning discharges must be equipped with overvoltage protection, refer to Figure 14: Line protection.

The overvoltage voltage protection has to be plugged onto the connection block of the relevant external line in the MDF.

Note

There must be a connection to earth for the MDF cabinet, when overvoltage protectors are used.

Special precautions must also be taken to analogue extension lines that are led outdoors, in order to prevent the analogue extension boards secondary protection device from blowing in case of lightning.

Each branch on the extension line must have:

1. A protective resistor of 10 W/1W (REN 195 42/1) connected in series between cabinet and MDF
2. An overvoltage protection which has to be mounted onto the connection block in the MDF

Figure 14: Line protection

Depending on the used MDF following overvoltage protections are available:

##### Ericsson connection block:

- NFD 251 01 Overvoltage protection cassette
- NGC 402 01 Overvoltage arrestors (2pcs per line)

##### Krone connection block:

- 769 027/3 Overvoltage protection cassette
- NGC 402 01 Overvoltage arrestors (2pcs per line)

## Installation of Filter box (BDV 113 31) with BE12/16, Call Metering Filter board (ROA 219 5110/1, -/2)

Mount the Filter box (BDV 113 31) on the wall, just as the MDF (see External MDF SXK 106 4139/1).

Installation of BE12/16 is to be made as shown in the figure below.

If surge protectors are installed, the Filter box must be connected to earth.

(a) | Alternative 1 with standard Ericsson MDF connection bars: TSR 902 0444/1 = 1.5 m TSR 902 0444/2 = 3.0 m |
Alternative 2 with open ends for any MDF: TSR 901 0472/2 = 15.0 m TSR 901 0472/3 = 6.0 m |
(b) |  | TSR 252 0201/1600 (1600 mm) |

Revision: Y © Ericsson Enterprise 2003