BusinessPhone Communication Platform 4.0
System Overview ASB 150 02 Release 11

## Technical Data

- Mechanical Characteristics
- Electrical characteristics
- Capacities
- Telephones
- Door interface unit
- Trunks
- Tie lines
- Transmission data
- CTI
- Networking
- DECT Radio Interface

### Mechanical Characteristics

Note

All dimensions given in length x width x height.

| dimensions | weight
#### Cabinets
BP 50 (Version 4.0) | 500 x 400 x 155 mm | 13,0 kg
BP 250 | 260 x 435 x 300 mm | 19,2 kg
#### Telephones
Basic telephone DBC 210 | 225 x 160 x 86 mm | 0,69 kg
Economyplus telephone DBC 211 | 233 x 194 x 86 mm | 0,85 kg
Standard telephone DBC 212 | 233 x 194 x 86 mm | 0,8 kg
Executive telephone DBC 213 | 233 x 254 x 86 mm | 1,1 kg
Operator telephone DBC 214 | 250 x 254 x 85 mm | 1,4 kg
Analogue telephone Basic, D3105 | 225 x 160 x 65 mm | 0,69 kg
Analogue telephone Basic, D3145 | 225 x 195 x 85 mm | 0,79 kg
Analogue telephone Basic, D3146 | 225 x 195 x 85 mm | 0,79 kg
#### Auxiliary equipment
Key panel | 226 x 87 x 67 mm | 0,23 kg
DIU | 100 x 170 x 40 mm | 0,25 kg
Desktop Adapter | 152 x 33 x 75 mm | 0,145 kg

### Electrical characteristics

#### Radio interference

CE regulation: |  | 89/336/EEC |
complies to EN 55022, Class B

#### Power supply BP50

Mains voltage: |  | 110-127 VAC ±10% |
Input current max.: |  | 3A (4A with battery charger) |
Mains voltage: |  | 220-250 VAC ±10% |
Input current max.: |  | 1.5A (2A with battery charger) |
Safety: complies to safety class I acc. to EN 60950
CE regulation: |  | 73/23/EEC |

#### Power supply BP250

Mains voltage: |  | 110-127 VAC ±10% |
Input current max.: |  | 6A |
Mains voltage: |  | 220-240 VAC ±10% |
Input current max.: |  | 3A |
Transformer (RES147051): |  | 127V/230V 125VA |

#### Alternative power feeding for BP250

|  | 36 VAC ±4 V 50 Hz 48 VDC +8 V/-5 V |
Safety: complies to safety class I acc. to EN 60950

#### Environmental requirements

Ambient temperature |  | 5 - 40×C |
Humidity |  | 15 - 80% |
Electrostatic discharge |  | 15 kV at 30% humidity |
complies to IEC801-2 |  |  |

#### Data communication interfaces

V.24 (RS-232C) |  | up to 19,2 Kbit/s |
Range |  | up to 15m |
RS-485 |  | up to 1200 m. |

### Capacities

Devices | BP50 Capacity | BP250 Capacity | Modularity
Extensions (digital) | 8 - 64 | 8 - 300 ** | 8/16/32
Extensions (analogue) | 4 - 32 | 4 - 300 ** | 4/8/16
Extensions (cordless) | 1-24 | 1 - 210 ** | 1
S-interface | 8 x 2B + D | 24 x 2B + D | 4/8 x 2B + D
Operator positions | 1 - 3 | 1 - 3 | 1
Analogue trunk * | 4 - 16 | 4 - 60 | 4/8
Digital trunk PRA and | 1x | 2x | 1x
Digital trunk with CAS * | 30 B + D | 30 B + D | 30 B + D
Digital trunk BA * | 8 x 2B + D | 24 x 2B + D | 4/8 x 2B + D
Analogue tie line * | 4 - 8 | 4 - 56 | 4/8
Base Station | 4 | 56 A-protocol 60 GAP-protocol | 1

* |  | The system capacity limits analogue and digital trunk lines and tie lines to a maximum of 60 channels. The sum of analogue trunks, tielines and number of B channels on digital trunks and S-interfaces is limited to 120 individuals.

** |  | The limit for normal business configuration is a capacity of 200 extensions. These can be analogue telephones, system telephones, ISDN terminals and DECT portable telephones. For hotel applications the limit is 300 extensions.

#### Switch capacity

60 channels are implemented in the system.

This results in 48 Erlang for 60 channels at a grade of service of 1,5%.

#### Extension equipment capacity

The drawing below shows the relationship between single extensions connected either by wires or cordless to the exchange and Tandem units. One limit is the number of extensions that can be connected to the system the other the maximum number of Tandem units supported by the PBX.

### Telephones

#### Digital telephones

Maximum line length 800m with 0,5mm diameter (typical cable impedance: 180W / 75 nF per km).

#### ISDN S-Interface

The S-interface complies with ETSI and AUSTEL supporting:

- Telefax Group 4
- PC with ISDN board
- PC with ISDN board and telephone
- Terminal adapter
- Videophone
- ISDN telephone

Supported bearer services are speech, unrestricted 64 kbits, unrestricted digital information (with tones/announcements 7kHz), 3.1kHz audio and video.

#### Ranges on the S-interface

- Short passive bus: up to 250m
- Extended passive bus: up to 500m

#### Analogue telephones

Maximum loop resistance |  | 2500 W incl. telephone |
Current feed |  | 2 x 400 W, -48 VDC 2 x 800 W, -48 VDC |
Impulse speed |  | 10 Hz ±10% |
Make/break ratio |  | 33/67 - 40/60 ms |
DTMF-signalling |  | CCITT Q.23 |
Timed loop break (flash) |  | 80 - 120 ms |
Leakage resistance |  | 40 kW |

### Door interface unit

The wiring length between exchange and DIU should not exceed 500 m and between door phone and DIU not more than 50 m (applies for 0,6mm diameter).

#### Speaker

impedance |  | 40...100 W |
nom. output |  | 20 mW at 50 W for - 10 dBm on a,b wires |
max. output |  | 200 mW / 50 W |

#### Microphone

impedance |  | 300 W |
DC feeding |  | 6V / 330 W |
sensitivity |  | 15 mVeff with - 20 dBm on a,b wires |

#### Relay for door opener

Switching capability: 1,5A / 48VAC and 60VDC

#### Environmental conditions

See Electrical characteristics.

### Trunks

#### Analogue trunk

Maximum loop resistance |  | 2000 W at -48VDC |
Make/break ratio |  | 33/67 or 40/60 ms |
DTMF-signalling |  | CCITT Q.23/Q.24 |

#### Digital trunks

##### ISDN Basic Access

CE regulation: 91/263 EEC

CE marking:

ISDN signalling according to CCITT I.430, I.440, I.450, I.441, I.451, ETSI CTR3 and AUSTEL specification.

##### T-interface range

Point to point: up to 1000m.

##### ISDN Primary Rate:

CE regulation: 91/263 EEC

CE marking:

ISDN signalling according to CCITT I.431, I.440, I.450, I.441, I.451, G.703, G.704, ETSI CTR4 and AUSTEL specification.

2 Mbit/s interface covers an attenuation of up to 6 dB

2 Mbit/s interface according to CCITT G.703 and G.704

Channel-associated signalling (CAS) R2 according CCITT Q421-424.

### Tie lines

#### 2-wire analogue tie line with DC-loop signalling

Maximum loop resistance |  | 2500 W |
Make/break ratio |  | 33/67 or 40/60 ms |
DTMF-signalling |  | CCITT Q.23/Q.24 |

#### 2/4 wire analogue tie line with E&M signalling

Maximum loop resistance |  | 1800 W |
Maximum current for 0 W line |  | 9.0 mA |
Resistance in short-circuited M-loop |  | <35 W |
Maximum current in M-loop |  | 100 mA |

### Transmission data

#### Coding

CCITT G.711, 8 bit PCM A-law

#### System impedance

600 W or programmable network/market specific impedances for analogue interfaces.

#### 2-wire interfaces

- Return loss figure 1/Q.552

- 300-500 Hz: Š ³14 dB
- 500-2000 Hz: Š ³18 dB
- 2000-3400 Hz: Š ³14 dB

- Frequency distortion w. frequency

- Complies with ITU-T recommendation fig. 5/Q.552

- Group delay distortion w. frequency

- Complies with ITU-T recommendation fig. 6/Q.552

- Inpedance unbalanced about earth

- Better than ITU-T recommendation fig. 2/Q.552

- Variation of gain w. input level

- Complies with ITU-T recommendation fig. 4/Q.552

- Cross talk

- Far-end and near-end cross talk between two connections in accordance with ITU-T Q.552/ 3.1.4.1 and 3.1.4.2

- Weighted noise

- Q.552/3.2.2.1.1 Output connection: better than ‑67 dBm0p for output rel. levels Lo>=-5dBr
- Q.552/3.2.2.1.1 Input connection: better than ‑65.2 dBm0p for equipment with signalling on speech wires

- Total distortion, including quantizing distortion

- In accordance with ITU-T recommendation fig. 12/Q.552 and fig. 13/Q.552

#### 4-wire interfaces

- Loss distortion w. frequency

- Complies with ITU-T recommendation fig. 4/Q.553

- Group delay distortion w. frequency

- Complies with ITU-T recommendation fig. 5/Q.553

- Inpedance unbalanced about earth

- Better than ITU-T recommendation fig. 2/Q.552

- Variation of gain w. input level

- Complies with ITU-T recommendation fig. 4/Q.552

- Cross talk

- Far-end and near-end cross talk between two connections in accordance with ITU-T Q.552/ 3.1.4.1 and 3.1.4.2

- Weighted noise

- Q.552/3.1.3.1 Output connection: better than ‑70 dBm0p for signalling on separate wires
- Q.552/3.2.2.1.1 Input connection: better than ‑67 dBm0p signalling on separate wires

- Total distortion, including quantizing distortion

- In accordance with ITU-T recommendation fig. 10/Q.553 and fig. 11/Q.553

### CTI

V.24 interface: proprietary communication protocol

Baud rate: max. 19200.

- BusinessPhone BusinessLink Novell: 9600
- BusinessPhone BusinessLink Windows NT: 19200

### Networking

#### QSIG standards

Basic Call Control |  | ETS 300 72 / ISO 11572, ISO 11574 |
GFP (within the scope of the supported supplementary service listed below ) |  | ETS 300 239 / ISO 11582 |
CLIP, COLP, CLIR |  | ETS 300 173 / ISO 14136 |
CNIP, CONP, CNIR |  | ETS 300 238 / ISO 13864, ISO 13868 |
AOC |  | ECMA 211/212 |

#### Protocol compliance

Layer 1: |  | ETS 300 011 / ETS 300 012 |
Layer 2: |  | ETS 300 170 |
Layer 3: |  | ETS 300 172. |

### DECT Radio Interface

Frequency band: |  | 1880 -1900 MHz |
RF carriers: |  | 1897.344 MHz n*1.728 MHz (0 x n x 9) |
Number of carriers: |  | 10 |
Carrier spacing: |  | 1.728 MHz |
DECT standard: |  | CTR6 and CTR10 |
Power spectrum: |  | equal to GFSK with BT = 0.5 |
Frequency deviation: |  | as per CTR6 |
Peak output power: |  | 22 ±2 dBm |
Output spurious: |  | as per CTR6 |
Harmonics: |  | as per CTR6 |
Receiver sensitivity: |  | typical -83 dBm with a B.E.R. = 10-3 at the radio interface |
Unwanted emissions: |  | as per CTR6 |
Transmission: |  | MC/TDMA/TDD (Multiple Carrier/Time Division Multiple Access/Time Division Duplexing) |
TDMA frame: |  | 10 ms |
TDMA slot: |  | 0.417 ms |
No. of slots per frame: |  | 16 (8 full duplex channels) |
Total number of channels: |  | 120 |
Bit rate: |  | 1152 kbit/s |
Speech coding: |  | 32 kbit/s ADPCM (Adaptive Differential Pulse Code Modulation) |
#### Base Station
CE regulation: |  | 73/23/EEC, 89/336/EEC and 91/263/EEC |
CE marking: |  |  |
Operating voltage: |  | 12 to 56 VDC |
Power consumption: |  | 3.0 W typical (7.5 W peak) |
Output power: |  | 19 to 24 dBm |

Revision: T © Ericsson Enterprise 2003