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PRA-SCL

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The Bosch PRA-SCL is the PRAESENSA system controller: it manages every device and all audio routing over OMNEO IP, stores supervised messages, and carries a built-in 5-port Gigabit switch. EN 54-16 certified. Scroll down for details.

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  • Brand - BOSCH
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BOSCH
BOSCH

Global leader in Public Address, Voice Evacuation and Conference Systems.

Bosch PRAESENSA public address and voice alarm system: operator at a reception desk with the PRA-CSLD call station Bosch, Invented for life

IP-connected and fully-featured

PRAESENSA Public Address and Voice Alarm System

PRAESENSA system components

PRA-SCL PRAESENSA System Controller

Full control of every PRAESENSA device and all audio routing, with supervised message storage and a built-in 5-port Gigabit switch.

  • OMNEO IP Audio
  • Dante Supported
  • EN 54-16 Certified
PRA-SCL

Key Features

* Full control of PRAESENSA devices and audio routing.

* Built‑in supervised storage for messages and tone files.

* Support for Dante audio input and output streams.

* Open interface to third party applications.

* IP‑networked on OMNEO for audio and control

Key specs

  • OMNEO IP audio, Dante supported
  • Controls all PRAESENSA devices and routing
  • Supervised message storage
  • Built-in 5-port Gigabit switch
  • EN 54-16 / ISO 7240-16 certified
  • 1 U 19" rack mount

Technical Specifications

Electrical

Control

Audio routing (dynamic)

  OMNEO channels

 

Unlimited

Tone/message playback (dynamic)

  OMNEO channels

 

8

Audio inputs (static)

  Dante or AES67 channels

 

120

Audio outputs (static) Dante channels

8

Logging

(internal storage) Call events

Fault events

General events

 

1000

1000

1000

Real Time Clock

Accuracy (with NTP)

Accuracy (no NTP)

Daylight Saving Time (DST)

Backup battery

 

< 1 s/yr off

< 11 min/yr off

Automatic

CR2032 Lithium cell

Message/tone storage capacity

  Mono, uncompressed, 48 kHz, 16‑bit

 

90 min

SD card size

1 to 32 GB

System size

Networked devices

Zones

 

250 (single subnet)

500

 

Configuration

Web server/browser

 

Power transfer

 

Power supply input A/B

  Input voltage range

  Input voltage tolerance

 

24 to 48 VDC

20 to 60 VDC

 

Power consumption (24 V)

  Duty mode

  Per active port

 

3.9 W

0.4 W

 

Supervision

 

Run fault (watchdog reset)

All processors

 

System integrity

  Fault report time

 

< 100 s

 

Site specific data integrity

Fault report time

Supervised message storage

 

< 1 hour

90 min

 

Power supply input A/B

Undervoltage

 

Network interface

 

Ethernet

Protocol

Redundancy

100BASE‑TX, 1000BASE‑T

TCP/IP

RSTP

 

Audio/control protocol

  Network audio latency

  Audio data encryption

  Control data security

OMNEO

10 ms

AES128

TLS

 

Ports

5

 

Reliability

 

MTBF (extrapolated from calculated MTBF of PRA-AD608)

1.000.000 h

 

Environmental

 

Climatic conditions

 

Temperature

Operating

Storage and transport

 

-5 to +50 °C (23 to 122 °F)

-30 to +70 °C (-22 to 158 °F)

 

Humidity (non condensing)

5 to 95 %

 

Air pressure (operating)

560 to 1070 hPa

 

Altitude (operating)

-500 to +5000 m

(-1640 to 16404 ft)

 

Vibration (operating)

  Amplitude

  Acceleration

 

< 0.7 mm

< 2 G

 

Bump (transport)

< 10 G

 

Mechanical

 

Enclosure

 

Dimensions (WxHxD)

  With mounting brackets

  Rack unit

 

483 x 44 x 400 mm (19 x 1.75 x 15.7 in)

19 in, 1U

 

Ingress protection

IP30

 

Case

  Material

  Color

 

Steel

RAL9017

 

Frame

  Material

  Color

 

Zamak

RAL9022HR

 

Weight

5.8 kg (12.8 lb)

 
Accessory Products